An experiment generates 3.07 L of oxygen gas, which is
collected over water. The atmospheric pressure is 752.40
mmHg and the temperature is 30°C.
What is the volume of the oxygen gas collected corrected to
STP?

Answers

Answer 1

Answer: The answer is 720.58 mmHg

Explanation:


Related Questions

Express the measurement using the appropriate SI prefix. 2.50 x 10-3g

Answers

2.50 x 10^-3 g is also equal to 0.00250 g, otherwise known as 2.5 mg (milligrams).

how long does nitrous oxide stay in the atmosphere

Answers

Nitrous oxide, also known as laughing gas, has an atmospheric lifetime of approximately 114 years.

This means that once it is released into the atmosphere, it can remain there for over a century before it is removed. Nitrous oxide is a potent greenhouse gas and contributes to global warming and climate change.

It is estimated that nitrous oxide is responsible for about 6% of the warming effect of long-lived greenhouse gases. In addition to its impact on climate, nitrous oxide also plays a role in the destruction of the ozone layer, which protects the Earth from harmful UV radiation.

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Gerry is looking at salt under a powerful microscope and notices a crystalline structure. What can be known about
the salt sample that Gerry is looking at?

Answers

Answer:

The atoms are vibrating in place.

Explanation:

One of the properties of an ionic substance is the possession of a crystalline structure. As Gerry observed the salt under a microscope, he discovered that it has a crystalline structure. Crystalline salts are all ionic in nature, hence the salt observed by Gerry is an ionic salt.

Solids containing a definite crystalline structure always has their particles vibrating in place. This is immediately evident as Gerry looks at the salt through a microscope.

Answer:

D.The atoms are vibrating in place

Explanation:

What are the benefits of observing a chemical and physical change

Answers

Explanation:

Observing a chemical and physical change in a substance can provide several benefits, including:

Understanding the nature of the substance: By observing chemical and physical changes, we can understand the properties of a substance and how it behaves under different conditions. This can help us predict how it will react in different situations and can inform decisions about how to handle it safely.

Identifying the presence of impurities: Chemical and physical changes can also indicate the presence of impurities or contaminants in a substance. This can be important in many different fields, including medicine, manufacturing, and environmental science.

Optimizing processes: By understanding the chemical and physical changes that occur in a substance, we can optimize processes to produce the desired results more efficiently. This can lead to cost savings and improved quality control in industries ranging from food and beverage to pharmaceuticals.

Developing new materials: Observing chemical and physical changes can also help scientists and engineers develop new materials with specific properties or characteristics. By manipulating the conditions under which a substance undergoes chemical and physical changes, new materials can be created with improved performance and functionality.

Can the excess reactant control the percentage yield

Answers

No it cant not reactant control

A solution was prepared by dissolving 35.0 g of NaCl in water to make a 0.5 L solution. What is the molarity of the solution? The molar mass of NaCl = 58.44 g/mol.

Answers

The molarity of the solution : 1.2 M

Further explanation

Molarity shows the number of moles of solute in every 1 liter of solute or mmol in each ml of solution

\(\large{\boxed {\bold {M ~ = ~ \frac {n} {V}}}\)

Where

M = Molarity

n = Number of moles of solute

V = Volume of solution

mass of NaCl=35 g

Volume of solution = 0.5 L

mol NaCl(MW=58.44 g/mol) :

\(\tt mol=\dfrac{mass}{MW}\\\\mol=\dfrac{35}{58.44}\\\\mol=0.6\)

The molarity :

\(\tt M=\dfrac{0.6}{0.5}=1.2\)

Rank the following compounds in order of decreasing vapor pressure. CH2CH2CH2CH2OH, CH4, CH3CHCH2CH3CH3, CH3CH2CH2CH2CH3

Answers

Decreasing vapour pressure for the following compounds is as follow:

CH4

CH3CH-CH3CH2CH3

CH3CH2CH2CH2CH3  

CH3CH2CH2CH2OH  

Vapor Pressure of the compound:

The pressure characteristic of a pure compound's vapour at any given temperature when it is in equilibrium with its liquid or solid state is known as the vapour pressure. Compound molecules that bond well with one another will have a low vapor pressure (less inclination to escape to the vapor phase), whereas compounds that connect poorly with one another would have a high vapor pressure. Vapor pressure is a measure of a compound's capacity to bond with itself.

The number of solvent molecules escaping into vapour phase gets reduced and as a result the pressure exerted by the vapour phase is also reduced. This is known as relative lowering of vapour pressure.

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Most polyatomic ions are cations.
TRUE
FALSE

Answers

The answer is False.

So far, you have seen what happens when iodine is added to known chemicals. How do tests like these help scientists figure out information about unknown samples?

Answers

Tests can help the scientist to know the actual compound by interaction with some other compounds.

How can a scientist  figure out information about unknown samples?

Many times in the laboratory, we find that we come across samples that are unknown and it is important that the scientist should be able to figure out how we can be able to obtain the precise and accurate information that we need about the compound that is under study.

There are several ways that we can go about trying to find out the nature of a sample that is unknown. The most common way is to conduct a series of chemical reactions or to use various instrumental procedures in order to obtain the required information about the compound.

The way in which a compound interacts with reagents sheds light om what the composition of the compound would be and this is key in the identification of the compound.

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Where are mannose 6 phosphate receptors found?

Answers

Mannose 6-phosphate receptors (M6PRs) are primarily found in the trans-Golgi network (TGN) and endosomes of cells.

These receptors play a crucial role in intracellular trafficking by recognizing and binding to mannose 6-phosphate (M6P) residues on lysosomal enzymes and facilitating their transport to lysosomes.

Mannose 6-phosphate receptors (M6PRs) are integral membrane proteins primarily located in the trans-Golgi network (TGN) and endosomes of cells. The TGN is a compartment within the cell responsible for sorting and packaging proteins destined for various intracellular locations, including the lysosomes. M6PRs are specifically designed to recognize and bind to proteins containing mannose 6-phosphate (M6P) residues.

The process begins in the TGN, where M6PRs interact with newly synthesized lysosomal enzymes that have been modified with M6P residues. This binding is important for sorting these enzymes and directing them towards vesicles called M6P receptor vesicles (M6PRVs). These vesicles transport the M6P-modified enzymes from the TGN to endosomes.

Within endosomes, M6PRs undergo a dynamic cycle of internalization and recycling. They bind to the M6P-modified lysosomal enzymes in the endosomal lumen, allowing the enzymes to dissociate from the receptors. The M6PRs are then recycled back to the TGN, while the released lysosomal enzymes proceed to fuse with lysosomes, enabling proper enzyme function and cellular degradation processes.

In summary, mannose 6-phosphate receptors (M6PRs) are predominantly found in the trans-Golgi network (TGN) and endosomes. These receptors facilitate the intracellular trafficking of lysosomal enzymes by recognizing and binding to mannose 6-phosphate (M6P) residues, ensuring their proper transport to lysosomes for cellular degradation.

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why are chemical equations balanced? PLEASE HELP

why are chemical equations balanced? PLEASE HELP

Answers

Answer:

A to show that the mass of atoms in the product

If the molecular mass of the salt is 136 g/mol, how many moles of anhydrate are there?

Answers

if the mass of the sample is 272 grams, the number of moles of anhydrate present would be:

moles = 2

What are moles?

Generally, To determine the number of moles of anhydrate present, you would need to know the mass of the sample. If you have that information, you can use the formula:

moles = mass / molar mass

Where

mass is the mass of the sample in grams and

molar mass is the molar mass of the salt (in this case, 136 g/mol).

For example, if the mass of the sample is 272 grams, the number of moles of anhydrate present would be:

moles = 272 / 136

= 2

Please provide me with more information so that I could give you more accurate answer.

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Small, non-polar molecules exhibit a higher rate of diffusion than large, charged ones.

a. true
b. false

Answers

True

This is true because of Graham’s Law.
The smaller the molecule the greater it’s diffusion rate and the larger the molecule the slower it’s diffusion rate.

Apply: Based on what you learned, what do you think would happen if you placed a sealed container of gas into a fire?

Answers

If a sealed container of gas is placed into a fire, the temperature of the gas inside the container would increase, causing the pressure of the gas to increase as well.

If a sealed container of gas is placed into a fire, the temperature of the gas inside the container would increase, causing the pressure of the gas to increase as well. This is because the kinetic energy of the gas molecules would increase, causing them to move around more rapidly and collide with the walls of the container more frequently and with greater force. Eventually, if the pressure of the gas inside the container becomes too great, the container may rupture or explode, releasing the gas into the surrounding environment. This can potentially lead to a dangerous situation, especially if the gas is flammable or toxic. Therefore, it is important to never place a sealed container of gas into a fire.

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Questlon 5 of 5
What is the main source of energy for plants?
A. Oxygen
B. Water
C. Soil
D. Sunlight

Answers

D , sunlight. have a good rest of your dayy❤️

Answer:

D Sunlight

Explanation:

Hoped that helped :)

HOW MANY LITERS ARE IN 7110.5 mL? WHAT IS THE UNIT?

HOW MANY LITERS ARE IN 7110.5 mL? WHAT IS THE UNIT?

Answers

About 7.1 litres all you have to do is to divide divide the volume value by 1000
The answer is 7.1105 liters all u got to do is divide by 1000

which of these minerals would be the main component in the cement slab in your house?

Answers

The main component in a cement slab in a house is typically Portland cement.

Key points:

Portland cement is a type of hydraulic cement that is commonly used in the construction of buildings, bridges, roads, and other structures.It is made by heating a mixture of limestone and clay to high temperatures, a process known as calcination.The resulting material is ground into a fine powder, which can be mixed with water, sand, and gravel to form concrete.The concrete is then poured and leveled to form the slab.The cement reacts with water to form a paste that binds the other materials together, creating a strong and durable building material.Portland cement is also used in other types of construction, such as in the production of mortar and stucco.Other types of cement such as blended cement can be used too, depending on the requirement and the availability of the raw materials.

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If I have 2.2 moles of gas at a pressure of 163.6 kPa and at a temperature of 37.9 0C, what is the volume of the container that the gas is in Liters?

Answers

1) List what you have and what you are looking for.

P = 163.6 kPa

V = ?

n = 2.2 mol

R = 8.314

T = 37.9°C / 311.05K (immediately convert to kelvin)

2) Rearrange your formula, input values, then calculate.

\(PV = nRT\\ V=\frac{nRT}{P} \\ V=\frac{(2.2)(8.314)(311.05)}{(163.6)} \\ V=34.77599841\)

V = 35 L

Paragraph on what is conduction

Answers

Conduction is a type of thermal energy or mode of heat transfer between the two systems.

What is conduction?

Conduction is defined as a process as a means of which heat is transferred from the hotter end of the body to it's cooler end.Heat flows spontaneously from a body which is hot to a body which is cold.

In the process of conduction,heat flow is within the body and through itself.In solids the conduction of heat is due to the vibrations and collisions of molecules while in liquids and gases it is due to the random motion of the molecules .

When conduction takes place, heat is usually transferred from one molecule to another as they are in direct contact with each other.There are 2 types of conduction:1) steady state conduction 2) transient conduction.According to the type of energy conduction is of three types:

1) heat conduction

2) electrical conduction

3)sound conduction

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CAN SOMEONE OR SOMEBODY HELP ME ASAP

CAN SOMEONE OR SOMEBODY HELP ME ASAP
CAN SOMEONE OR SOMEBODY HELP ME ASAP
CAN SOMEONE OR SOMEBODY HELP ME ASAP

Answers

Answer: ahem...

Explanation: 1. True 2. reproducing 3. All of them 4. i would say true, the only thing is plants dont really digest food and it says "all" organisms... 5. B, C, and D...A is more of defense and not really "maintaining structure"

The point in a neutralization reaction where the number of moles of hydrogen ions is equal to the number of moles of hydroxide ions is called the ___________.

Answers

The point in a neutralization reaction where the number of moles of hydrogen ions is equal to the number of moles of hydroxide ions is called the equivalence point.

What is the equivalence point in a neutralization reaction?

In a neutralization reaction between an acid and a base, the equivalence point is the point at which the acid and base have reacted in a stoichiometrically equivalent amount. This means that the number of moles of hydrogen ions from the acid is equal to the number of moles of hydroxide ions from the base. At the equivalence point, the solution is neutral and has a pH of 7.

The equivalence point can be determined experimentally by adding a solution of known concentration to the acid or base until the solution reaches a pH of 7. The equivalence point is an important concept in analytical chemistry, as it can be used to determine the concentration of an unknown solution.

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A 150.0 mL sample of 0.20 M HF is titrated with 0.10 M LiOH. Determine the pH of the solution after the addition of 600.0 mL of LiOH. The Ka of HF is 6.8 × 10-4.

Answers

Answer:

pH = 12.6

Explanation:

The HF reacts with LiOH as follows:

HF + LiOH → LiF + H₂O

To solve this question we need to find the moles of each reactant:

Moles HF:

0.1500L * (0.20mol / L) = 0.030 moles HF

Moles LiOH:

0.600L * (0.10mol / L) = 0.060 moles LiOH

That means there is an amount of LiOH in excess, that is:

0.060 mol - 0.030 mol = 0.030 moles LiOH

In 600.0mL + 150.0mL = 750.0mL = 0.750L

The molarity of LiOH is:

0.030 moles LiOH / 0.750L =

0.040M LiOH = [OH⁻]

As:

Kw = 1x10⁻¹⁴ = [H⁺] [OH⁻]

1x10⁻¹⁴ = [H⁺] [0.040M]

2.5x10⁻¹³M = [H⁺]

As pH = -log [H⁺]

pH = 12.6

How many Hs in the compound below are replaced by Ds when it is shaken in D20 contaming trace hydroxide? CH3 CH3 A) I B) 2 C) 3 D) 6 E) 7

Answers

Answer:

In the compound CH3CH3, there are a total of (D) 6 hydrogen (H) atoms

Explanation:

The compound CH3CH3, also known as ethane, has a total of six hydrogen atoms. When it is shaken in D2O containing trace hydroxide, the hydrogen atoms can undergo exchange with deuterium atoms due to the H/D exchange reaction.

In the H/D exchange reaction, the hydrogen atoms are replaced by deuterium atoms from D2O. Since all the six hydrogen atoms in ethane are equivalent, each hydrogen atom can potentially be replaced by a deuterium atom. Therefore, the answer is (D) 6.

The H/D exchange reaction is a common technique used in chemistry to study the reactivity and kinetics of various reactions. By monitoring the rate and extent of H/D exchange, scientists can gain insights into the mechanism and thermodynamics of reactions. This technique is particularly useful in studying organic reactions, where hydrogen atoms are often involved in bond formation and breaking.

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150 cm3 of 5.00x10-1 mol dm-3 hcl (aq) is mixed with 300cm3 of 2.03x10-1 mol dm-3 naoh(aq). determine the ph of the solution

Answers

The pH of the solution is approximately 0.3010.

The pH of the solution can be calculated using the following steps:Step 1: Calculate the number of moles of HCl used n(HCl) = c x Vwhere c = concentration of HCl = 5.00 x 10^-1 mol dm^-3and V = volume of HCl used = 150 cm^3 = 0.15 dm^3n(HCl) = 5.00 x 10^-1 x 0.15 = 0.075 molStep 2: Calculate the number of moles of NaOH used n(NaOH) = c x Vwhere c = concentration of NaOH = 2.03 x 10^-1 mol dm^-3and V = volume of NaOH used = 300 cm^3 = 0.3 dm^3n(NaOH) = 2.03 x 10^-1 x 0.3 = 0.0609 molStep 3: Write the balanced chemical equation for the reactionHCl + NaOH → NaCl + H2OStep 4: Determine the limiting reagentThe limiting reagent is the one which is used up completely during the reaction. It is the reactant which produces the least amount of product. The balanced chemical equation shows that 1 mole of HCl reacts with 1 mole of NaOH to produce 1 mole of NaCl and 1 mole of H2O. Therefore, HCl is the limiting reagent since 0.075 mol of HCl reacts with 0.075 mol of NaOH.Step 5: Calculate the number of moles of NaCl formed n(NaCl) = 0.075 molStep 6: Calculate the concentration of NaCl in the final solutionTotal volume of final solution = 150 + 300 = 450 cm^3 = 0.45 dm^3Concentration of NaCl = n(NaCl) / V(total) = 0.075 / 0.45 = 0.1667 mol dm^-3Step 7: Calculate the pHPH = -log[H+]where [H+] is the concentration of hydrogen ions[H+] = concentration of HCl = 5.00 x 10^-1 mol dm^-3 (since HCl is a strong acid, it completely dissociates in water)PH = -log(5.00 x 10^-1) = 0.3010 (rounded to 4 significant figures)Therefore, the pH of the solution is approximately 0.3010.

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Match the term to its definition.Nonpolar2Composed of two atomsMetallic?A bond with a negativeend and a positive endPolar?A bond in which neitheratom takes more than itsshare of electronsElectronegativity?A type of bond that allowsvalence electrons to movefreely among ionsDiatomic?Determines what type ofbond will form

Match the term to its definition.Nonpolar2Composed of two atomsMetallic?A bond with a negativeend and

Answers

Non polar: A bon in which neither atom takes more than its share of electrons

Metallic : A type of bond that allows valence electrons to move freely among its ions

Polar: A bond with a negative end and a positive end

Electronegativity: Determines what type of bond will form

Diatomic: Composed of two atoms

How does the length of the carbon chain change the importance of London Dispersion Forces versus Hydrogen bonding in the boiling point of an organic molecule?

Answers

Dispersion Forces are affected by chain length of carbon chain but hydrogen bond is independent of length of carbon chain as it is only related to compound having F,O, and N element.

What are intermolecular forces?

Intermolecular forces are the forces that are present between the the molecules and elements

Different types of intermolecular forces are

London dispersion forces

Dipole-dipole forces

Hydrogen bonding

London dispersion forces are due to temporary dipoles that is generated by the uneven distribution of electrons in atoms of a compound  or element. It can be made stronger by increasing the number of electrons in the compound.

In our question we are increasing  length of the carbon chain, Which means the number of of electron is increasing and hence the London dispersion forces force is also increasing and hence the boiling point will also increase

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What conclusion can you draw from the heating curve?

Answers

Answer:A heating curve graphically represents the phase transitions that a substance undergoes as heat is added to it. The plateaus on the curve mark the phase changes. The temperature remains constant during these phase transitions.

What are the 8 steps of the water cycle in order

Answers

evaporation, condensation, precipitation, interception, infiltration, percolation, transpiration, runoff, & storage

three chains with polyproline type helical conformation can wind about one another to form a superhelix because of the structure of glycine.

Answers

The ability of three chains with polyproline type helical conformation to wind about one another and form a superhelix is not primarily due to the structure of glycine.

The formation of a superhelix by multiple polyproline helices is more dependent on the repetitive nature of the proline residues and the conformational constraints they impose. Proline, unlike other amino acids, has a unique cyclic structure that restricts its flexibility. This structural characteristic of proline allows for the formation of a stable polyproline helix, which can then interact with other polyproline helices to create a superhelix structure.

Glycine, on the other hand, is known for its small side chain and high flexibility. While glycine can contribute to the overall structure of a protein or peptide, it does not play a specific role in the formation of a superhelix by polyproline helices.

In summary, the ability of polyproline helices to form a superhelix is primarily determined by the repetitive nature of proline residues and their conformational constraints, rather than the structure of glycine.

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Classify each reaction according to whether a precipitate forms Pricipitate forms Precipitate does not form Answer Bank NaNO, + NaOH AgNO, +NaBr

Answers

To determine whether a precipitate form or not, we need to check if there is a possible formation of an insoluble compound when the two reactants mix together. Here's the classification for each reaction:

Reaction 1: NaNO3 + NaOH

This reaction involves sodium nitrate (NaNO3) and sodium hydroxide (NaOH).

When we mix sodium nitrate (NaNO3) and sodium hydroxide (NaOH), they will undergo a double displacement reaction.

NaNO3(aq) + NaOH(aq) → NaOH(aq) + NaNO3(aq)

In this reaction, no precipitate forms because both sodium nitrate (NaNO3) and sodium hydroxide (NaOH) are highly soluble in water and dissociate completely.

Reaction 2: AgNO3 + NaBr

This reaction involves silver nitrate (AgNO3) and sodium bromide (NaBr).

When we mix silver nitrate (AgNO3) and sodium bromide (NaBr), they will undergo a double displacement reaction.

AgNO3(aq) + NaBr(aq) → AgBr(s) + NaNO3(aq)

In this reaction, a precipitate forms because silver bromide (AgBr) is insoluble in water and will precipitate out. Sodium nitrate (NaNO3) remains in the solution because it is highly soluble.

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Simplify each algebraic expression 5a+5b-4(a+b) All of the data in a digital book (letters, punctuation, spaces, etc) are stored and processed in a computer as binary. Break down how this works (hint: Ascii) . Explain in three or more sentences: Please Answer ASAP, Brainiest for Best and most In detail answer!! An object of mass m = 2 kg is initially moving forward when a net force F = 18 N acts on the object in the forward direction. While the force is applied, the object travels a distance x = 6 meters in a time t = 5 seconds.(a) What is the acceleration of the object while the force is applied?(b) How much does the object's kinetic energy increase?(c) How much does the object's momentum increase?(d) How much does the object's speed increase? Determine the quadrant in which lies:sin < 0, cos < 0 How does gravity affect the rain during a rainstorm? this model of crowdfunding gives backers an equity stake in the business in return for their funding. What is it? If you open an account that compounds quarterly in 2020. In what year will it double the starting amount if it has an APR of 3.2% Help me pls with showing work ill give brainliest the pilgrims who came to america were from which group? separatist episcopalian presbyterian catholic Marni has 11 ounces of walnuts. She needs 6 ounces for one recipe and pound for another. There are 16 ounces in 1 pound.Does she have enough?1. To answer this question, you first need to convert all measurements to the same units. Since two of the measurements are in ounces and only one is in pounds, convert pound to ounces. Show your work. 2. How many ounces of walnuts does Marni need to make both recipes? Show your work.3. Does Marni have enough walnuts? If so, how much will she have left over? If not, how many more ounces does she need? Explain. An object has a volume of 0.050 m3 and a weight of 400 N. You immerse the object in water (density 1000 kg/m%). What is the buoyant force on the object and does the object sink or float? The buoyant force is 100 N and the object floats. The buoyant force is 50 N and the object floats The buoyant force is 500 N and the object sinks. The buoyant force is 500 N and the object floats. Question 28 (bonus): In total, the Northwestern Glacier has retreated approximately _____ kilometers in 102 years. Please select the nearest answer to your calculation. If P = $49,236. 45 , R = 10,5% , and T = 2 years , estimate I rebecca and michael took a survey of the number of siblings that each of their classmate had. what percent of the total classmates have 2 siblings Here are summary statistics for randomly selected weights of newbom girls n=228.-26.2 hg. s-7.5 hg. Construct a confidence interval estimate of the mean. Use a 95% confidence level. Are these results Evaluate the function I have asked 2 tutors and they have gotten this wrong please solve it On January 1 , Dora purchases 175 of the $1,000,7%,15-year bonds issued by Splash City, with interest receivable semiannually on June 30 and December 31 each year. The bonds were issued at face amount. Required: 1. How will the purchase of the bonds by Dora on January 1 affect the financial statements? 2. How will the receipt of the first semiannual interest payment on June 30 affect the financial statements? Complete this question by entering your answers in the tabs below. How will the receipt of the first semiannual interest payment on June 30 affect the financial statements? Note: Amounts to be deducted should be indicated by a minus sign. On January 1, Dora purchases 175 of the $1,000,7%, 15-year bonds issued by Splash City, with interest receivable semiannually on June 30 and December 31 each year. The bonds were issued at face amount. Required: 1. How will the purchase of the bonds by Dora on January 1 affect the financial statements? 2. How will the receipt of the first semiannual interest payment on June 30 affect the financial statements? Complete this question by entering your answers in the tabs below. How will the purchase of the bonds by Dora on January 1 affect the financial statements? Note: Amounts to be deducted should be indicated by a minus sign. The ages of 12 runners in a recent marathon are listed.35, 17, 34, 14, 28, 20, 18, 15, 14, 19, 17, 31Find the median and interpret its meaning as it relates to the runners. The median is 18.5, and it represents the typical age of the runners. The median is 20.5, and it represents the typical age of the runners. The median is 21.5, and it represents the difference in the lowest and highest ages of runners. The median is 23.5, and it represents the difference in the lowest and highest ages of runners. What is the largest country in the world with no permanent rivers?.