Jakasia needed to find the volume of a plastic container in L to see if the 170 L of
solution that she had would fit inside. She knew that one side was 2.5 ft, the
height of the box was 60 cm, and width of the box was 0.8 m. Use dimensional
analysis to determine if Jakasia's solution will fit in the container.
Answers
Answer:
The solution will fit into the container.
Explanation:
The following data were obtained from the question'
Volume of solution = 170 L
Length of container (L) = 2.5 ft
Height of container (H) = 60 cm
Width of container (W) = 0.8 m
Volume of container (V) =?
Next, we shall express the length, height and breadth I the same unit of measurement. In this case, we shall all in centimetres (cm).
For the length:
1 ft = 30.48 cm
Therefore,
2.5 ft = 2.5 ft × 30.48 cm / 1 ft
2.5 ft = 76.2 cm
Thus the length is 76.2 cm
For the width:
1 m = 100 cm
Therefore,
0.8 m = 0.8 m × 100 cm / 1 m
0.8 m = 80 cm
Thus, the width of the container is 80 cm.
Next, we shall determine the volume of the container as follow:
ength of container (L) = 76. 2 cm
Height of container (H) = 60 cm
Width of container (W) = 80 cm
Volume of container (V) =?
Volume = length × width × height
Volume = 76.2 × 80 × 60
Volume = 365760 cm³
Finally, we shall convert 365760 cm³ to litre (L). This can be obtained as follow:
1000 cm³ = 1 L
Therefore,
365760 cm³ = 365760 cm³ × 1 L/ 1000 cm³
365760 cm³ = 365.76 L
Therefore, the volume of the container is 365.76 L
Since the volume of the container (i.e 365.76 L) is bigger than the volume of the solution (i.e 170 L), therefore, the solution will fit into the container.
Related Questions
Consider the diagram. Top: A ball is shown traveling left to right toward an identical stationary ball. Middle: the first ball hits the second ball. Bottom: The right-hand ball travels to the right away from the left-hand ball, which is now stationary.
Which postulate of the kinetic-molecular theory best describes the event in the diagram?
Most of the volume of a gas is empty space.
All collisions between particles are perfectly elastic.
There is no force of attraction or repulsion between gas particles.
The average kinetic energy of particles depends only on temperature.
Answers
Answer:
All collisions between particles are perfectly elastic
Explanation:
found it somehwere else
The statement, that describes postulate of the kinetic-molecular theory is "all collisions between particles are perfectly elastic."
What is collisions?A collision would be any process where two or even more objects exert forces on one another quickly.
What is kinetic-molecular theory?The kinetic-molecular theory explains matter states and is based on the assumption that matter is made up of small particles that are always in motion. It is a simple, historically significant classical model of the thermodynamic behavior of gases that established several fundamental thermodynamic ideas.
Because the molecules are so small, the kinetic theory of gases assumes that the collision between them is fully elastic. Because the molecules are so small, their energy and momenta are conserved during collisions. As a result, regardless of collisions, the temperature remains constant.
Hence the correct option is all collisions between particles are perfectly elastic.
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determine the net change in nadh , fadh2 , and gtp from the passage of two acetyl-scoa molecules through the citric acid cycle. degradation of one molecule of glucose yields two acetyl-scoa molecules.
Answers
The net change in NADH , FADH2 , and GTP is : NADH : 6 molecules, FADH2 : 2 molecules, and GTP : 2 molecules.
The citric acid cycle is the also called as the krebs cycle. it is also called as the TCA cycle. it is the series of the chemical reactions occurs to release the energy that is stored through the oxidation of the acetyl CoA. the net change in NADH , FADH2 , and GTP from the passage of two acetyl-CoA molecules through the citric acid cycle. degradation of one molecule of glucose yields two acetyl-CoA molecules.
The NADH = 6 molecules
The FADH2 = 2molecules
The GTPP = 2 molecules
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In which option do all three particles have the same electronic configuration?
And the same number of neutrons? (7N , 8O , 9F ,10Ne , 12Mg)
(a) 15N3- 16O2- 19F-
(b) 18O2- 19F- 20Ne
(C) 19F- 20Ne 23Na+
(d) 22Ne 23Na 24Mg2+
Answers
b. ₈¹⁸O²⁻ , ₉¹⁹F⁻ , ₁₀²⁰Ne
Further explanationThe Atomic Number (Z) indicates the number of protons and electrons in an atom of an element.
Atomic number = number of protons = number of electrons ⇒ neutral number
Atomic mass is the sum of protons and neutrons
Atomic Number (Z) = Atomic mass (A) - Number of Neutrons
₈¹⁸O²⁻Atomic mass = 18
Atomic number = 8 , gain 2 electron ⇒ total 10 electrons
Configuration : 1s², 2s², 2p⁶ (10 electrons)
Neutrons : 18 - 8 = 10
₉¹⁹F⁻Atomic mass = 19
Atomic number = 9 , gain 1 electron ⇒ total 10 electrons
Configuration : 1s², 2s², 2p⁶ (10 electrons)
Neutrons : 19 - 9 = 10
₁₀²⁰NeAtomic mass = 20
Atomic number = 10
Configuration : 1s², 2s², 2p⁶ (10 electrons)
Neutrons : 20 - 10 = 10
2 m³ = ? L
Please help me I’ll give 10 point and the crown thingy
Answers
Answer:
2000 Liters
Explanation:
1 cubic meter is equal to 1000 liters
using that same conversion fact we get
2 cubic meters X 1000 Liters = 2000 Liters
what are some chemical bonds with nitrogen
Answers
Which type of rock does B represent?
A. Igneous rock
B. Metamorphic rock
C. Rock formed by compaction
D. Rock formed by heat and pressure
Answers
Answer:
A. because it came from a volcano
Explanation:
Answer: Igneous rock is formed by the melting and cooling of magma or lava.
Inside of Earth, magma slowly cools, creating rock with an irregular or rough texture and large crystals. Magma cooling inside Earth creates intrusive igneous rock.
Outside of Earth, lava cools very quickly, creating rock with a fine, grainy look or texture and small crystals. Lava cooling outside of Earth creates extrusive igneous rock.
Examples: granite, basalt, and pumice
The molarity of a NaOH solution was determined by titration with KHP. The results of five titrations were 0.1025 M, 0.1087 M, 0.1100 M, 0.1052 M, 0.0997 M. Answer the following questions based on 95% confidence level.
a) Calculate the absolute standard deviation of the concentration of NaOH.
b) Calculate the standard error of the concentration of NaOH.
c) Calculate the confidence interval of the concentration of NaOH. Report your answer with appropriate significant figures
d) If the true concentration of this NaOH solution is 0.1045 M, is the sample mean significantly different from the true concentration?
e) Another student also measured the concentration of the same NaOH solution. The result of the three titrations were 0.1028 M, 0.1012 M, 0.0983 M. Are the mean concentrations from the two students’ result similar to each other?
Answers
a) The absolute standard deviation of the concentration of NaOH is 0.0041 M.
b) The standard error of the concentration of NaOH is 0.0018 M.
c) The confidence interval of the concentration of NaOH is (0.1033 M, 0.1060 M).
d) Yes, the sample mean is significantly different from the true concentration of 0.1045 M.
e) No, the mean concentrations from the two students' results are not similar to each other.
a) To calculate the absolute standard deviation of the concentration of NaOH, we need to find the standard deviation of the given data points. Using the formula for sample standard deviation, we calculate the average deviation of each data point from the mean concentration, then square each deviation, take the average of the squared deviations, and finally, take the square root. The absolute standard deviation is the absolute value of the standard deviation.
b) The standard error of the concentration of NaOH measures the variability of the sample means from different samples. It is calculated by dividing the standard deviation by the square root of the sample size. In this case, the sample size is 5.
c) To calculate the confidence interval of the concentration of NaOH, we need to determine the margin of error using the t-distribution and the sample standard deviation. With a 95% confidence level, we use a t-value corresponding to 4 degrees of freedom (n-1) and multiply it by the standard error. The confidence interval is constructed by subtracting and adding the margin of error to the sample mean concentration.
d) To determine if the sample mean is significantly different from the true concentration, we compare the true concentration to the confidence interval. If the true concentration falls outside the confidence interval, then the sample mean is significantly different from the true concentration.
e) To assess if the mean concentrations from the two students' results are similar to each other, we can calculate the confidence intervals for each student's data. If the confidence intervals overlap or are close to each other, it suggests that the mean concentrations are similar. However, if the confidence intervals do not overlap, it indicates that the mean concentrations are likely different.
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What traits are beneficial in specific climate regions?
Answers
⇄Climate features also include windiness, humidity, cloud cover, ⇆ atmospheric pressure, and fogginess. Latitude plays a huge factor in determining climate. Landscape can also help define regional climate.⇆
Yes Like Deserts, Tropical Places! ∠/.'/≤
The traits that are beneficial in specific climate regions are windiness, humidity, cloud cover, atmospheric pressure, and fogginess.
There are basically five main climate types on Earth:
Tropical
Dry
Temperate
Continental
Polar
India typically has tropical monsoon climate. The word tropical is used to describe the regions between the Tropic of Cancer and Tropic of Capricorn.
Therefore, The traits that are beneficial in specific climate regions are windiness, humidity, cloud cover, atmospheric pressure, and fogginess.
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A chemical equation is shown:
C2H4 + O2 → CO2 + H2O
What are the reactant(s) of this reaction? Choose all that apply
02
O C₂H4
O CO2
O H20
Answers
Explanation:
in the given chemical equation
C2H4 + O2 → CO2 + H2O
The reactants of this reaction IS
C2H4 and O2
How much of nacl is in 1.67 l of 0.400 m
nacl?
answer in units of mol.
Answers
Answer:
.668 mole
Explanation:
1.67 * .4 = .668 mole
how is maximal oxygen consumption (vo2max) defined?
Answers
Maximal oxygen consumption is defined as the maximum volume of oxygen that an individual can consume during physical activity. It is a measure of an individual's physical fitness and is often used as an indicator of an athlete's performance level.
It is expressed in milliliters of oxygen per kilogram of body weight per minute (mL/kg/min). This measurement is considered the gold standard for evaluating an individual's aerobic capacity. it is determined through a graded exercise test, which involves increasing levels of physical activity to the point of exhaustion.
During this test, the individual's heart rate, blood pressure, and oxygen consumption are monitored to determine their . The test is usually conducted on a treadmill or a stationary bike, and the intensity of the exercise is gradually increased until the individual can no longer continue the activity.
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HELP FAST
H₂S gas is removed from the system at
equilibrium below. How does the
system adjust to reestablish
equilibrium?
NH4HS(s) = NH3(g) + H₂S(g)
A. The reaction shifts to the right (products) and the
concentration of NH3 decreases.
B. The reaction shifts to the left (reactants) and the
concentration of NH3 decreases.
C. The reaction shifts to the right (products) and the
concentration of NH3 increases.
D. The reaction shifts to the left (reactants) and the
concentration of NH3 increases.
Answers
When H₂S gas is removed from the system at equilibrium, the reaction shifts to the right (products) and the concentration of NH₃ increases (option C)
How do i determine where the reaction will shift to?A French scientist (Chatelier) postulated a principle which helps us to understand a chemical system in equilibrium.
The principle states that If a an external constraint such as change in temperature, pressure or concentration is imposed on a system in equilibrium, the equilibrium will shift so as to neutralize the effect.
According to Chatelier's principle a decrease in concentration of the products will favor the forward (right) reaction.
From the above principle, we can conclude that when H₂S gas is removed from the system at equilibrium, the reaction shifts to the right (products) and the concentration of NH₃ increases.
Thus, the correct answer to the question is option C
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A very large tank initially contains 100 L of pure water. Starting at time t=0 a solution with a salt concentration of 0.7 kg/L is added at a rate of 6 L/min. The solution is kept thoroughly mixed and is drained from the tank at a rate of 4 L/min. Answer the following questions. 1. Let y(t) be the amount of salt (in kilograms) in the tank after t minutes. What differential equation does y satisfy? Use the variable y for y(t). Answer (in kilograms per minute):
dt
dy
= 2. How much salt is in the tank after 30 minutes? Answer (in kilograms):
Answers
After 30 minutes, there would be 1.05 kilograms of salt in the tank.
1. The differential equation that y(t) satisfies can be obtained by considering the rate of change of salt in the tank. The rate at which salt is added to the tank is given by the concentration of the solution (0.7 kg/L) multiplied by the rate at which the solution is added (6 L/min). The rate at which salt is drained from the tank is given by the concentration of salt in the tank (y(t) kg/L) multiplied by the rate at which the solution is drained (4 L/min). Therefore, the differential equation is:
dy/dt = (0.7 kg/L * 6 L/min) - (y(t) kg/L * 4 L/min)
Simplifying further, we have:
dy/dt = 4.2 - 4y(t)
2. To determine the amount of salt in the tank after 30 minutes, we need to solve the differential equation. One approach is to find the particular solution by assuming y(t) takes the form of a constant, y. Substituting this into the differential equation, we have:
dy/dt = 4.2 - 4y
Setting dy/dt to zero (since y is constant), we can solve for y:
0 = 4.2 - 4y
4y = 4.2
y = 4.2/4
y = 1.05 kg
Therefore, after 30 minutes, there would be 1.05 kilograms of salt in the tank.
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Consider the equation for the formation of water. 2h2 o2 2h2o what is the theoretical yield of h2o if 130 g of h2o is produced from 18 g of h2 and an excess of o2? 18 g 81 g 130 g 160 g
Answers
The theoretical yield of 18 gram of \(H_{2}\) is 162 gram of \(H_{2} O\) .
The amount of a product produced by a reaction is generally expressed as a percentage of the reaction's yield. The amount of product that stoichiometry predicts is known as the theoretical yield, but the amount that would be actually achieved is known as the actual yield.
The balanced chemical equation is :
\(2H_{2} +O_{2}\) → \(2H_{2} O\)
It is known that the molar mass of water is 18 gram /mol and 2 gram per mole of \(H_{2}\).
18g \(H_{2}\) (1 mol \(H_{2}\) (/2 g \(H_{2}\) ()(2 mol \(H_{2} O\) / 2 mol \(H_{2}\) ()(18 g \(H_{2} O\) /1 mol \(H_{2} O\) ) = 162 g \(H_{2} O\) .
Theoretical yield will be 162 gram.
So, the theoretical yield of 18 gram of \(H_{2}\) is 162 gram of \(H_{2} O\) .
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Chalk is a silicate carbonate evaporite sandstone QUESTION 33 a photosyntehtic creature with a silica shell can be a O coccolithophorid foraminifer diatom radiolarian QUESTION 34 recrystallization of chalk at the ocean bottom (not in metamorphic conditions) can give us O micrite chert marble quartzite
Answers
Diatoms are single-celled algae that have a silica (silicate) shell called a frustule.
Diatoms are photosynthetic organisms and are known for their intricate and diverse shapes. Diatoms are commonly found in freshwater and marine environments and play a significant role in the global carbon cycle.
Micrite is a fine-grained carbonate sedimentary rock composed of tiny carbonate particles. It forms through the precipitation and accumulation of carbonate minerals, such as calcite or aragonite, in marine environments. In the case of chalk, which is primarily composed of microscopic fragments of calcium carbonate from marine organisms, recrystallization can occur at the ocean bottom under specific conditions, leading to the formation of micrites.
Therefore, it's important to note that chert, marble, and quartzite are not the typical products of recrystallization of chalk at the ocean bottom.
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How to find valency?
Answers
Answer:
ork out which of the displacement (S), initial velocity (U), acceleration (A) and time (T) you have to solve for final velocity (V).
If you have U, A and T, use V = U + AT.
If you have S, U and T, use V = 2(S/T) - U.
If you have S, U and A, use V = SQRT(U2 + 2AS)
Eg : boron ( Z = 5 )
Electronic configuration = k = 2 , L = 3
Valency = 8 - 5
= 3
This protein takes oxygen from hemoglobin in order to
O break down stored fats for energy.
O transport water-insoluble lipids in the bloodstream.
transport oxygen from the lungs to tissues around the body.
O store it for muscle cells.
Answers
Answer:
i'm pretty sure it's 'transport oxygen from the lungs to tissues around the body'
Answer:
Transportation of Oxygen from Lungs to Tissues
the mass of solution is equivalent to the mass of the?
A. solute + solvent
B.solvent
C.solute-solvent
D.solute
Answers
The mass of solution is equivalent to the mass of the solute and solvent.
What is solute?The material whose dissolves is known as a solute, as well as the substance
What is solvent?The solute is dissolved to produce a solution, is known as a solvent.
Solution is made by solvent , solute also. So, by adding mass of solvent and solute mass of a particular solution could be found.
It can be expressed as:
Mass of solution = mass of solute + mass of solvent
Therefore, the mass of solution is equivalent to the mass of the solute and solvent.
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Sodium and magnesium are used to displace titanium from
titanium chloride. What does this tell you about titanium?
Answers
Deshawn carefully mixes the substances together in an Erlenmeyer flask. When mixed together, the substances undergo a change. Afterward, Mimi measures the mass and finds it to be 10 grams. Mimi and Deshawn repeat this experiment twice more with the same results. What is the most likely explanation for this data?
Answers
I need help with it too
Why does the earth rotate
A:because it’s formed from cold gases collapsing due to gravity
B: Because the matter in the nebula that formed
C:Because the earth form is more than 99% of the mass of the Solar system
D; Because the hydrogen Adams inside the nebular fuse to form helium
Answers
Answer:
A
Explanation:
Your answer would be A because Earth is formed from cold gases collapsing due to gravity. The Solar System was formed when a huge amount of dust and gas began to collapse under its own gravity, and as the cloud collapse it started to spin causing the material within the cloud to gather into a swirl and then formed into planets and as the planets are formed they kept this spinning motion.
what mass in grams of hydrogen is produced by the reaction of 4.73 g of magnesium with 1.83 of water
Answers
The mass, in grams, of hydrogen that would be produced from the reaction will be 0.102 grams
Stoichiometric calculationsFrom the balanced equation of the reaction:
\(Mg + 2H_2O -- > Mg(OH)_2 + H_2\)
The mole ration of magnesium to water is 1:2.
Mole of 4.73 grams Mg = 4.73/24.3 = 0.195 moles
Mole of 1.83 grams water = 1.83/18 = 0.102 moles
Hence, water is limiting.
Mole ratio of water to the hydrogen produced = 2:1
Equivalent mole of hydrogen gas produced = 0.102/2 = 0.05 moles
Mass of 0.05 moles hydrogen gas = 0.05 x 2 = 0.102 grams
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What is the ratio of [h 2po 4 -] to [hpo 4 2-] at ph 6.4 if the pka of h 2po 4 - is 7.4?
Answers
The Henderson-Hasselbalch equation allows us to determine the relative concentrations of an acid and its conjugate base based on the pH of the solution and the pKa of the acid. At pH 6.4, the ratio is 0.1.
The Henderson-Hasselbalch equation is a mathematical relationship that relates the pH of a solution to the ratio of the concentration of an acid and its conjugate base. It is commonly used in chemistry and biochemistry to describe the acid-base equilibrium.
To determine the ratio of \([H-2PO_4-]\) to \([HPO_4^2-]\) at pH 6.4, we can use the Henderson-Hasselbalch equation:
\(pH = pKa + log([A-]/[HA])\)
In this case, \(H_2PO_4-\) is the acid (HA) and \(HPO_4^2-\) is its conjugate base (A-).
Given that the pKa of \(H_2PO_4-\) is 7.4, we can substitute the values into the equation:
\(6.4 = 7.4 + log([HPO_4^2-]/[H_2PO_4-])\)
Simplifying the equation:
\(-1 = log([HPO_4^2-]/[H_2PO_4-])\\[HPO_4^2-]/[H_2PO_4-] = 10^{(-1)} = 0.1\)
Therefore, at pH 6.4, the ratio is 0.1.
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Which device was the first to be designed for use with rechargeable batteries?
Answers
Which of the following statements is correct about air temperature?
Answers
Identify the compound that does NOT have hydrogen bonding.H2OCH3(CH2)2NH2(CH3)2N(CH2)3CH3HFCH3(CH2)5NH2
Answers
The compound that does NOT have hydrogen bonding in its structure is HF.
Hydrogen bonding occurs when a hydrogen atom is bonded to a highly electronegative atom such as nitrogen, oxygen, or fluorine. In each of the compounds listed, we need to identify if there is a hydrogen atom bonded to one of these electronegative atoms.
H2O: Two hydrogen atoms are bonded to an oxygen atom, which is highly electronegative. Hydrogen bonding is present.CH3(CH2)2NH2: A hydrogen atom is bonded to a nitrogen atom, which is highly electronegative. Hydrogen bonding is present.(CH3)2N(CH2)3CH3: No hydrogen atoms are bonded to nitrogen, oxygen, or fluorine. Hydrogen bonding is absent.HF: Although fluorine is highly electronegative, there are no hydrogen atoms bonded to it in this molecule. Hydrogen bonding is absent.CH3(CH2)5NH2: A hydrogen atom is bonded to a nitrogen atom, which is highly electronegative. Hydrogen bonding is present.The compound that does NOT have hydrogen bonding is HF.
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How many fluorine atoms are present in 125.0g of phosphorus pentafluoride?
Answers
molar mass of PF5 = 125.966 g/mol
125 g PF5 × (1 mol PF5/125.966 g PF5) = 0.992 mol PF5
0.992 mol PF5 × (6.022 × 10^23 molecules PF5);
= 5.97 × 10^23 molecules PF5
Since there 5 fluorine atoms per molecule of PF5,
(5.97.× 10^23 molecules PF5) × (5 atoms F/1 molecule PF5)
= 2.99 × 10^24 atoms F
Oxygen gas is prepared in the laboratory through the catalytic decomposition of hydrogen peroxide. Define a catalyst
Answers
Answer:
Catalyst:
Explanation:
A catalyst is a substance that increases the rate of a chemical reaction without itself undergoing any permanent chemical change.
How many grams are in 1.42 moles of CO2?
Answers
There are 62.48 grams in 1.42 moles of carbondioxide.
How to calculate mass?The mass of a substance can be calculated by multiplying the number of moles in the substance by molar mass.
Moles in chemistry is the International System of Units, the base unit of amount of substance i.e. the amount of substance of a system which contains exactly 6.022 × 10²³ elementary entities.
mass = no of moles × molar mass
According to this question, there are 1.42 moles of carbondioxide given. The mass of the gas can be calculated as follows:
molar mass of carbondioxide = 44g/mol
mass = 1.42 × 44 = 62.48g
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What occurs as the atomic number of the elements in Period 2 increases?
1)The nuclear charge of each successive atom decreases, and the atomic radius decreases.
2)The nuclear charge of each successive atom decreases, and the atomic radius increases.
3)The nuclear charge of each successive atom increases, and the atomic radius decreases
4)The nuclear charge of each successive atom increases, and the atomic radius increases.
Answers
Answer:
3)The nuclear charge of each successive atom increases, and the atomic radius decreases
Explanation:
As we move from left to right across the periodic table the number of valance electrons in an atom increase. The atomic size tend to decrease in same period of periodic table because the electrons are added with in the same shell. When the electron are added, at the same time protons are also added in the nucleus. The positive charge is going to increase and this charge is greater in effect than the charge of electrons. This effect lead to the greater nuclear attraction. The electrons are pull towards the nucleus and valance shell get closer to the nucleus. As a result of this greater nuclear attraction atomic radius decreases and ionization energy increases because it is very difficult to remove the electron from atom and more energy is required.