Answer:
72.440064 in
Explanation:
Convert meters to yards.
(1.84 m) × (1.0936 yd/m) = 2.012224 yd
Convert yards to feet.
(2.012224 yd) × (3 ft/yd) = 6.036672 ft
Convert feet to inches.
(6.036672 ft) × (12 in/ft) = 72.440064 in
PLEASE HELP AGAIN lol thank you :))
Calculate the percent composition of carbon in C6H12O6 :A. 50%B. 40%C. 35,3%D. 22,1%
The percent composition of the carbon in the C₆H₁₂O₆ is 40 %.
The chemical compound is C₆H₁₂O₆.
The molar mass of the compound C₆H₁₂O₆ = 180 g/mol
The mass of the carbon = 12 g
The percent composition is as follows :
Percent composition of the carbon = ( mass of the carbon / total mass of the compound ) × 100 %
Percent composition of the carbon = ( 72 / 180 ) × 100 %
Percent composition of the carbon = 40 %
Thus the percentage composition if the carbon is 40 percent in the chemical compound C₆H₁₂O₆ that is glucose.
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How does the jet stream over the United States change by season?
Jet streams are always changing: moving to higher or lower altitudes, breaking up, and shifting in flow, depending on the season and other variables, such as energy coming from the sun. Air north of a jet stream is typically colder, while air to the south is usually warmer
In its organic form, ____ is usually (not always) related with the metabolic processes of living organisms.
Answer:
In its organic form, metabolism is usually (not always) related with the metabolic processes of living organisms.
Explanation:
In this context, metabolism refers to how quickly a person's body consumes any fuel it consumes. Because the energy from meals is used up more rapidly when someone has a high metabolism, they require food more frequently. These folks typically feel and are warmer. A person with a high metabolism may not acquire as much weight as they would expect even if they eat more since their body uses up the food before it can be converted to fat or muscle. Consider an automobile where the accelerator has been floored. More frequent gas additions would be required, and the engine's temperature would rise. Slower metabolisms function like an idle automobile. They typically don't need to eat as frequently since their bodies use fuel more slowly. The quantity people typically consume may, however, exceed what they truly require to maintain their current state of health. They constantly use additional fuel, which tends to be stored as fat. Thus, it is not always true that everyone who is slim has a fast metabolism and everyone who is overweight has a sluggish one. It ultimately comes down to how many calories you consume against how many your body actually requires. Simply said, a person's metabolism may make or break this score relative to the norm. Therefore, those with slower metabolisms tend to put on weight quickly since they require less food than predicted to maintain their bodies whereas those with faster metabolisms prefer to be slim because of this.
Caves are formed by: i)solution ii)oxidation iii)carbonation iv)hydration
Answer:
i think its oxidation
Explanation:
What are the two types of taxes that working individuals pay on their earnings?
(1) individual income tax and sales tax
(2) payroll tax and sales tax
(3) individual income tax and social insurance taxes
(4) property tax and payroll tax
(5) sales tax and income tax
There are actually two types of taxes that working individuals pay on their earnings. The first one is individual income tax, which is a tax levied on the income of individuals or households.
The second one is social insurance taxes, which are taxes collected to fund social security and Medicare programs. Therefore, the correct answer to this question would be (3) individual income tax and social insurance taxes. Sales tax and income tax are not necessarily paid by working individuals on their earnings, so option (5) is not correct.
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what property liquid s does the diffusion illustrate
The diffusion of a liquid illustrates the property of mass transport or the movement of particles from an area of higher concentration to an area of lower concentration.
Diffusion occurs due to the random motion of particles and is driven by the concentration gradient. In a liquid, the individual particles (atoms, molecules, or ions) move and mix with one another, resulting in the spread of the liquid throughout the available space.
This process of diffusion is responsible for the gradual spreading and mixing of substances in liquids.
Diffusion is a process that occurs in various states of matter, including liquids. In a liquid, such as water or any other solvent, the particles are in constant motion due to their thermal energy. This random motion results in collisions between particles.
When there is a concentration gradient present in a liquid, meaning there is a region with a higher concentration of solute particles compared to another region, diffusion comes into play. The solute particles in the region of higher concentration have a higher likelihood of colliding with neighboring particles and moving away from that region.
During these collisions, solute particles transfer their kinetic energy to other particles, causing them to move. This transfer of energy leads to the gradual spreading and mixing of the solute particles throughout the liquid. The overall effect is the equalization of solute concentration, as particles move from areas of higher concentration to areas of lower concentration.
Overall, diffusion in liquids is a fundamental property that allows particles to spread and mix, ultimately leading to the equalization of concentration within the liquid.
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Which of the following electron configurations for neutral atoms is correct?
magnesium: 1s 2^2s 2^2p 6^3s 2^3p^6
argon: 1s 2^2s 2^2p 6^3s 2^3p^6
Answer:
the correct answer is argon: 1s 2^2s 2^2p 6^3s 2^3p^6
Explanation:
Summarize the meaning of the term activation energy.
Answer:
Activation energy, in chemistry, the minimum amount of energy that is required to activate atoms or molecules to a condition in which they can undergo chemical transformation or physical transport.
Explanation:
Which one is a single replacement reaction? (Whoever gets it correct first I’ll mark)
The equation that represents a single replacement reaction given the various options is 2Al(s) + 6HCl -> 2AlCl₃(aq) + 3H₂O(g) (option 2)
What is a single replacement reaction?A single replacement reaction, also known as single displacement reaction is a reaction in which elements higher in the electro-chemical series displace or replace elements lower in the electro-chemical series displace from a solution.
The following example illustrates single replacement reaction:
A + BC -> AC + B
From the above reaction, we can see that A has replace/displace B to from AC.
With the above information, we can determine the equation that represents single replacement reaction. Details below:
Equation from the questions:
2Al + 3Cl₂ -> 2AlCl₃2Al(s) + 6HCl -> 2AlCl₃(aq) + 3H₂O(g)2AlCl₃(aq) -> 2Al + 3Cl₂ AlCl₃ + 3KOH -> Al(OH)₃ + 3KClFrom the above, we can see that only 2Al(s) + 6HCl -> 2AlCl₃(aq) + 3H₂O(g) conform to single replacement reaction.
Thus, the correct answer to the question is: 2Al(s) + 6HCl -> 2AlCl₃(aq) + 3H₂O(g) (option 2)
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What is the symbol for entropy? S ΔH H ΔS
Answer:
S
Explanation:
The symbol for entropy is S, and a change in entropy is shown as “delta” S or ΔS. If the entropy of a system increases, ΔS is positive. If the entropy of a system decreases, ΔS is negative.
Lithium and bromine react to form lithium bromide. How many moles of bromine must be used to produce 5.5 moles of lithium bromide?
ANSWER
EXPLANATION
Given that
The number of moles lithium bromide is 5.5 moles
Firstly, write a balanced equation for the reaction
\(\text{ 2Li + Br}_2\rightarrow\text{ 2LiBr}\)Find the number of moles of bromine using stoichiometry ratio
Let x represents the number of bromine
\(undefined\)A solution of ammonium phosphate is mixed with a solution of aluminum nitrate. If aluminum phosphate is insoluble in water, what is the reaction? Also remember this will need to be balanced.
The balanced chemical reaction is given as follows:
(NH₄)₃PO₄ (aq) + AI(NO₃)₃ (aq) → AIPO₄ (s) + 3NH₄NO₃ (aq)
What is balanced chemical reaction ?A balanced chemical equation is one that has the same number of atoms of each type in the reaction on both the reactant and product sides. In a balanced chemical equation, both the mass and the change are equal.
The law of conservation of mass, which states that "the total mass of all the products of reaction in a chemical reaction equals the total mass of all the reactants," is satisfied by balancing chemical equations.
Thus, A solution of ammonium phosphate is mixed with a solution of aluminum nitrate. If aluminum phosphate is insoluble in water, its reaction is (NH₄)₃PO₄ (aq) + AI(NO₃)₃ (aq) → AIPO₄ (s) + 3NH₄NO₃ (aq).
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Living sustainably means living on ____—the renewable resources such as plants, animals, soil, clean air, and clean water provided by Earth's natural capital. A. Exponential growth natural income ecosystem services factors of sustainability biodiversity
Answer:
natural income
Explanation:
Living sustainably in the 21st century means coexisting with the nature. In other words, to live sustainably means to meet the needs of the human without affecting or degrading the mother nature.
In the context, living sustainably means to live from the natural income from the nature's gift to us, using their natural resources and not hurting them or exploiting them. They may be resources from the soil, plants, clean air, animals, nature's clean water,etc.
Which statement is true about an electron?
1. It has a smaller mass than a proton and a negative charge.
2.It has a smaller mass than a proton and a positive charge.
3.It has a greater mass than a proton and a negative charge.
4.It has a greater mass than a proton and a positive charge.
Answer: 1. It has a smaller mass than a proton and a negative charge.
Explanation:
Electrons are much smaller in mass than a proton and they have a negative charge.
What is 3,920,000,000,000 in scientific notation?
3.92×1010
3.92×1012
3.92×10−10
3.92×10−12
Answer:
3.92 X 10^12
Explanation:
Writing in scientific notation is writing in power form.
Writing in power form is usually in the form:
X.y × 10ⁿ
Now write 3 920 000 000 000 in this form.
3.92 × 10¹²
\(3.92 \times 10^{12}\)
Explanation:In writing numbers in their scientific notation, we must first move the decimal point until our number has only a one's digit. From the given number, \(3,920,000,000,000\), it would look like this \(3.92\). Because, we can't fundamentally change the number we need to multiply our new number, \(3.92\) with \(10^n\) where \(n\) is the number of how many times we moved the decimal point to the left. If we moved our decimal to the right, \(n\) would be negative. Since we moved it to the left by \(12\) times, \(n = 12\).
Now we multiply \(3.92\) with \(10^{12}\). It is \(3.92 \times 10^{12}\)
A solution of NaCl was prepared in the following manner: 0.0842 g of NaCl is massed out on an analytical balance. The solid is transferred to a 25.00 mL volumetric flask. Deionized water is added to the flask such that the bottom of the meniscus is at the line. A 1.00 mL aliquot of the stock solution is transferred to a 50.00 mL volumetric flask using a volumetric pipet and diluted to volume. 6. Calculate the concentration of NaCl in the resulting solution in mg/L NaCl. (answer = 67.4 mg/L) 7. Calculate the concentration of NaCl in the resulting solution using propagation of error through the calculation. Use the manufacturer's tolerance values as the absolute error. The tolerances can be found in Chapter 2 of the Harris text. Assume a Class 1 balance and Class A glassware. Treat the tolerances as random error. (answer = 67.4+0.4 mg/L) 8. Identify 2 possible sources of random (indeterminate) error. Identify 2 possible sourses of systematic (determinate) error.
Two possible sources of systematic (determinate) error in the experiment are; Incorrect calibration of volumetric glasswareIncorrect mass of NaCl
To calculate the concentration of NaCl in the resulting solution in mg/L NaCl, we can use the formula; Concentration (mg/L) = (Mass of solute ÷ Volume of solution in L) × 1000 g / 1 mg NaCl is present in the stock solution of 25 mL. So, the mass of NaCl in the solution would be;0.0842 g ÷ 25 mL = 0.00337 g/mL. Now, in the resulting solution, a 1.00 mL aliquot of the stock solution is transferred to a 50.00 mL volumetric flask and diluted to volume. Therefore, the volume of the resulting solution is 50.00 mL. We will substitute these values in the formula, Concentration (mg/L) = (0.00337 g/mL ÷ 50 mL) × 1000 g / 1 mg concentration (mg/L) = 67.4 mg/L. Therefore, the concentration of NaCl in the resulting solution in mg/L NaCl is 67.4 mg/L.7. Concentration = 67.4 mg/LTolerance = 4.28 mg/LTotal concentration = 67.4 + 4.28 mg/L = 71.68 mg/LWe round off this value to one decimal place; Total concentration = 71.7 mg/LTherefore, the concentration of NaCl in the resulting solution using propagation of error through the calculation is 67.4+0.4 mg/L.8. Two possible sources of random (indeterminate) error in the experiment are; Errors in temperature measurement. Errors in measurement of water volume. Two possible sources of systematic (determinate) error in the experiment are; Incorrect calibration of volumetric glasswareIncorrect mass of NaCl.
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which of the following is a reason to protect biodiversity?
Answer:
C. people rely on ecosystem services provided by intact ecosystems
Explanation:
:) Comment was correct! <3
Protecting and managing biodiversity resources is a crucial part of maintaining ecological harmony and ensuring the survival of species' future generations so that they can live long healthy lives. The correct option is C.
In order to stop the extinction of species, biodiversity should be protected. To keep nature in balance, it is conserved. Other organisms will suffer if one species in the food chain becomes extinct.
The systems that sustain all life on Earth, including humans, depend on biodiversity. We cannot have the healthy ecosystems that we depend on to give us the air we breathe and the food we consume without a diverse variety of animals, plants, and microorganisms.
Thus the correct option is C.
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All objects made of matter create what pull?
Answer:
energy
that seems like the most relevant answer
Are there more endothermic or exothermic reactions?
There are more endothermic or exothermic reactions, since the predominance of each kind of reaction varies according to the system or process under consideration.
Endothermic and exothermic reactions are both widespread in nature and in industrial operations. Exothermic processes, for example, are those that release energy in the form of heat and light. Certain chemical processes, however, absorb energy and are hence endothermic, such as the breakdown of calcium carbonate to generate calcium oxide and carbon dioxide. Many biological responses are either endothermic or exothermic. Exothermic activities include the hydrolysis of ATP (adenosine triphosphate) to release energy for cellular operations, whereas endothermic processes include photosynthesis, which turns light energy into chemical energy in plants.
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Write a balanced equation for the transmutation that occurs when a nitrogen-13 nucleus emits a positron.
A.
137N→138O+0−1e
7
13
N
→
8
13
O
+
−
1
0
e
B.
137N→136C+01e
7
13
N
→
6
13
C
+
1
0
e
C.
137N→95B+42He
7
13
N
→
5
9
B
+
2
4
H
e
D.
137N→137N+00γ
7
13
N
→
7
13
N
+
0
0
γ
C is the answer. odoriferous
Show all your work
A sample of hydrogen occupies a volume of 3.20L at a pressure of 425 kPa. If the temperature of the gas kept constant, what would be the new volume of the gas at
615 kPa?
Answer:
2.2 LExplanation:
The new volume can be found by using the formula for Boyle's law which is
\(P_1V_1 = P_2V_2\)
Since we're finding the new volume
\(V_2 = \frac{P_1V_1}{P_2} \\\)
425 kPa = 425,000 Pa
615 kPa = 615,000 Pa
\(V_2 = \frac{3.2 \times 425000}{615000} = \frac{1360000}{615000} \\ = 2.21138...\)
We have the final answer as
2.2 LHope this helps you
send help thank u asap
Answer:
The Answer is ________ Please Make sure You Put it In and Trust Have a wonderful day/Night:)
Explanation:
Answer:
3 is B 4 is the number 3
Explanation:
I hope this helps :D
What is the frequency of a photon with an energy of 4.56 × 10^-19 J?OA. 6.88 x 10^14 HzOB. 6.42 x 10^14 HzOC. 4.36 x 10^14 HzOD. 5.10 x 10^14 Hz
So,
There's an equation that we could use in order to find frequency, and it is the next one:
This equation tells us that the energy of the photon is equal to the product of the Plank constant (h), which is 6.626*10^-34 J.s, and the frequency.
In this problem, we know the value of E and the value of h, so we need to solve for v:
Therefore, the correct answer option is A.
he long run equilibrium condition for perfect competition is:
a. P=AVC=MR=MC.
b. Q=AVC=MR=MC.
c. Q=ATC=MR=MC.
d. P=ATC=MR=MC.
Option (d), P=ATC=MR=MC, accurately represents the long-run equilibrium condition for perfect competition, reflecting the balance between price and cost for firms operating in a competitive market.
The long-run equilibrium condition for perfect competition is that price (P) is equal to average total cost (ATC), which is also equal to marginal cost (MC), and marginal revenue (MR).
Option (d), P=ATC=MR=MC, best represents the long-run equilibrium condition for perfect competition. In perfect competition, firms operate at the minimum point of their average total cost curve, where price equals both average total cost and marginal cost. This condition ensures that firms are earning zero economic profit and are producing at an efficient level.
In the long run, if firms are earning economic profit, new firms will enter the market, increasing competition and driving prices down. Conversely, if firms are experiencing losses, some firms may exit the market, reducing competition and causing prices to rise. This process continues until firms reach a state where price equals average total cost, marginal cost, and marginal revenue, ensuring a long-run equilibrium.
Therefore, option (d), P=ATC=MR=MC, accurately represents the long-run equilibrium condition for perfect competition, reflecting the balance between price and cost for firms operating in a competitive market.
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The molar mass of hydrogen (H) is 1 g/mol, the molar mass of chlorine (Cl) is 35 g/mol, and the molar mass of zinc (Zn) is 65 g/mol. When 130 grams of zinc react completely in hydrochloric acid (HCl), how much is the total mass of the products
The total mass of the product will be 137 grams.
Stoichiometric calculationsFrom the equation of the reaction:
\(Zn + 2HCl --- > ZnCl_2 + H_2\)
Mole of 130 grams of Zn = 130/65 = 2 moles
Equivalent mole of \(ZnCl_2\) = 1 mole = 1 x135 = 135 grams
Equivalent mole of \(H_2\) = 1 mole = 1 x 2 = 2 grams
Total mass of the products = 135 + 2 = 137 grams.
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A book is resting on the table. Forces are exerted
O upward by the table
O downward by the book
O in equal and opposite directions
O all the above
Answer:
all the above
Explanation:
I think it is all the above, but I think not. I think it is the 3rd or 4th one. Hope this helps :)
If not, sorry!
sketch the titration curve for the titration of a generic weak base b with a strong acid. the titration reaction is
The titration curve for the titration of a generic weak base B with a strong acid can be sketched as follows:
At the beginning of the titration, the pH is high because the solution is basic. As the strong acid is added, it reacts with the weak base to form a conjugate acid and the pH begins to decrease. This is the initial buffering region.
As the equivalence point is approached, the pH rapidly drops as most of the weak base has been neutralized by the strong acid. At the equivalence point, the number of moles of strong acid added is equal to the number of moles of weak base present in the solution. The pH at the equivalence point is acidic.
After the equivalence point, the pH continues to decrease as excess strong acid is added. This is because the excess H+ ions react with the weak base conjugate to form water. This region is called the excess acid region.
The graph of the titration curve looks like a smooth curve that begins at a high pH and ends at a low pH with a steep drop at the equivalence point. The name of the linkage formed as a result of the polymerization of nylon is amide linkage.
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according to the video, why should a used chemical container never be refilled? used chemicals may be contaminated, which could cause an unexpected reaction.
Yes, that is correct. A used chemical container should never be refilled because used chemicals may be contaminated, which could cause an unexpected reaction or even a hazardous situation.
Additionally, used containers may have residue from the previous chemical that could react with the new chemical being added, leading to unexpected and potentially dangerous results. It is always recommended to use a clean and properly labeled container for each chemical to ensure safe storage and use.
A chemical container is a device used to store and transport chemicals and other hazardous materials. It is usually made of materials such as plastic, metal, or glass that are resistant to corrosion and chemical reactions with the contents. Chemical containers are designed to be leak-proof and safe to handle, and are often labeled with warnings and safety information to ensure proper use and handling.
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Help on 2 and 3 due tomorrow pls help
Answer:
2
b= they are grouped differently, but all the atoms are still there.