Answer:
[tex]less \: than \: 10 \: litres \: [/tex]
Explanation:
At 100℃,P=1atm
V=10L
At NTP, T=20
P=1atm
PV=nRT
PV=nRTV∝C
So at NTP temp is less than 100℃ and as the volume is proportional to temperature.
So at NTP temp is less than 100℃ and as the volume is proportional to temperature.Thus, the volume will be less than 10L as the temperature decreases.
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The table below contains concentration and rate data for a reaction involving three reactants. Use these data to determine the overall order of the reaction and the order with respect to M, N, and P.
Answer:
The order of reaction with respect to M, N, and P are 1, 0, and 3, respectively.
The overall order of reaction is 4.
Explanation:
We are given a table containing the concentrations of M, N, P, and the rate of the reaction, and we want to determine the overall order of the reaction and the order with respect to each reactant.
To do so, we can select two experiments from the list where two of the reactant concentrations are held constant and only one changes.
From trials 1 and 2, we can see that holding [N] and [P] constant while doubling [M] doubles the rate.
Therefore, because the rate is directly proportional to M, the reaction is first order with respect to M.
From trials 2 and 3, we can see that holding [M] and [P] constant while doubling [N] does not affect the rate.
Therefore, the reaction is zero order with respect to N.
From trials 1 and 4, we can see that holding [M] and [N] constant and doubling [P] leads to a eight-fold increase (2.6/0.32 ≈ 8).
Therefore, the reaction is third order with respect to P (2³ = 8).
Hence, our rate law is:
[tex]\displaystyle \text{Rate} = k[M]^1[N]^0[P]^3[/tex]
Where the order of reaction with respect to M, N, and P are 1, 0, and 3, respectively.
And the overall order is the sum of each individual reaction orders, or 4.
when an impurity is added to pure water what happens to the boiling point of the mixture?
Boiling point of water is 100 degree Celsius at mean sea level. Boiling point is related to the vapour pressure of the solution. On adding an impurity, the vapor pressure of solution decreases. With an increase in concentration of solute, vapour pressure decreases, hence boiling point increases
why did the US Air Force study water vapor and Co2 in the atmosphere ? what did they learn?
Answer:
The U.S. Air Force needed to understand the atmosphere for communications and to design heat-seeking missiles. At certain wavelengths carbon dioxide and water vapor block radiation. So the new missiles couldn't see very far if they used a wavelength that CO2 absorbs.
Explanation:
What are properties of a base
Answer:
base taste bitterbase feel so spy slippery to touchbase turn wet red litmus paper bluewhy is water called a liquid ?
Answer: A liquid takes the shape of its container. Such as a cup with water. It has no definite shape. It has a definite volume.
Suppose we redefine the standard state as P= 2 bar . Find the new standard ΔfG∘ values of the following substances.
a) HCl(g)
b) N2O(g)
c) H(g)
We have that the new values of the following substances HCl(g), N2O(g), H(g) is that the remain the same as
dG=dH-TdS remains the same.
Standard ΔfG∘ values of substances.Question Parameters:
s P= 2 bar
HCl(g)
N2O(g)
H(g)
Generally the equation for the Change in Heat energy is mathematically given as
dG=dH-TdS
Where
dH=CpdT
Therefore, With no change in entalpy dH only changes when there is a change in dT
dS=CpInT
With dS independent of pressure S is constant
Hence, dG=dH-TdS remains the same
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1. A 0.338-g sample of antimony was completely reacted with 0.295 g of chlorine gas to form antimony chloride. Determine the empirical formula of the antimony chloride.
The empirical formula of the antimony chloride is SbCl₃
Data obtained from the question Antimony (Sb) = 0.338 gChlorine (Cl) = 0.295 gEmpirical formula =? How to determine the empirical formulaDivide by their molar mass
Sb = 0.338 / 122 = 0.0028
Cl = 0.295 / 35.5 = 0.0083
Divide by the smallest
Sb = 0.0028 / 0.0028 = 1
Cl = 0.0083 / 0.0028 = 3
Thus, the empirical formula of the compound is SbCl₃
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A student investigates the motion of a toy vehicle. The student graphs 40 seconds of data from the investigation.
Motion of a Toy Vehicle. Distance, meters. Time, seconds.
Which statement best describes the motion of the toy vehicle during the first 30 seconds of the investigation?
The vehicle was traveling at a constant speed.
The vehicle was accelerating at a constant rate.
The speed of the vehicle was increasing.
The acceleration of the vehicle was increasing.
Although we do not have the graph needed to answer this question, we can confirm that if the toy were to be accelerating, one should see this on the graph as a curved line.
How can we know if the toy was accelerating?When graphing motion in terms of distance over time, we can use the shape of the line in the graph to determine if the speed is constant or if there is an acceleration present. If the line is straight, the speed is constant, but if there is a curve, there will be acceleration.
Therefore, we can confirm that if the toy were to be accelerating, one should see this on the graph as a curved line.
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Analyze the role coefficients in a chemical reaction play in stoichiometry
Answer:
This is known as the coefficient factor
Explanation:The balanced equation makes it possible to convert information about one reactant or product to quantitative data about another element.
The dimensions of a box are measured to be 18.4 inches by 17.92 inches by 26 inches. The volume of the box can be found by multiplying these three dimensions. What is the volume of the box expressed to the correct number of significant figures?
A.
8,600 in3
B.
8,573 in3
C.
8,572.9 in3
D.
8,570 in3
Answer:
Explanation:The volume of the box is 8.6 × 10³ in².
V = lwh = 26 in × 18.4 in × 17.92 in = 8.6 × 10³ in²
Note: The answer can have only two significant figures because that is all you gave for the length of the box.
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How do you find the protons , neurons and electrons of an element ?
Answer:
For any element,
Atomic Number (Z) = The number of protons (P⁺) = The number of electrons (e⁻)
Hence,
Z = P⁺ = e⁻
For Neutron,
Mass number (A) – Atomic Number (Z)
N = A – Z
For Examples :-Oxygen atom (O)Atomic Number = 8Proton = 8Electron = 8Mass Number = 16Neutron = 16 – 8 = 8
-TheUnknownScientist 72
How force and motion alone with energy works?
Q4: People have concerns about the use of slash and burn partly because it affects the carbon cycle in multiple ways. What are two of those ways
From what we know, we can confirm that people have concerns about the use of slash and burn because it creates more CO2 and decreases the natural ability to remove it from the air.
Why is slash and burn so environmentally harmful?This has to do with CO2 emissions. The slash and burn technique involves slashing away and burning large areas of green land in order to create farmland. This creates large amounts of CO2 through combustion that are released into the atmosphere. This also removes plants that act as a natural filter for CO2 in the atmosphere, limiting the possibility of a natural recovery.
Therefore, we can confirm that People have concerns about the use of slash and burn because it creates more CO2 and decreases the natural ability to remove it from the air.
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Cellular Respiration occures in the cell's ___________?
Question 4 options:
chloroplast
cell wall
mitochondria
Answer:
the answer is mitochondria
Explanation:
its mitochondria unless its anaerobic respiration then it takes place in the cells cytoplasm
Write the rate law for the following reaction given that the order of A = 2, B = 1, and C = 0. A + B + C ———> D + E
If the concentration of C is doubled, what will happen to the rate of the reaction?
Answer:
The rate law is:
[tex]\displaystyle \text{Rate} & = k[A]^2[B][/tex]
Doubling the concentration of C will have no effect on the rate of the reaction.
Explanation:
We want to write the rate law for the reaction:
[tex]\displaystyle A + B + C \longrightarrow D + E[/tex]
Where the order of A, B, and C are 2, 1, and 0, respectively.
The rate law will have the form:
[tex]\displaystyle \text{Rate} = k [A]^m[B]^n[C]^p[/tex]
Where m, n, and p are their respective order of reactions.
Hence, the rate law is:
[tex]\displaystyle \begin{aligned} \text{Rate} & = k[A]^2[B][C]^0\\ \\ & = k[A]^2[B] \end{aligned}[/tex]
Because the order of reaction to C is 0, changing its concentration will have no effect on the rate law.
Looking at the molecule images above, could the molecules of air get into the blood from the lungs? Why or why not? (Select ALL that apply)
a. Group of answer choices
b. The gas maolecules are really small, even smaller than glucose
c. Because the air molecules are so small, they can pass through the lung membrane into the blood like glucose did with the small intestine.
d. The air molecules can not pass through the membrane of the lungs because they are too large.
e. The air molecules are much larger than glucose molecules.
Answer:
b and d
Explanation:
The nuclei of Three naturally occurring magnesium isotopes have the same number of protons but different numbers of neutrons . Explain Why ? Why does every atom of barium have 56 protons and 56 lectrons? Which subatomic particles in an atom determine its mass number ?
Based on atomic properties and structure:
Isotopes have the same proton number(atomic number) but different neutron numbers. An atom of barium has 56 protons and 56 neutrons in order to maintain electrical neutrality.The mass number of an atom is determined by the sum of protons and neutrons.What are isotopes?Isotopes are atoms of an element having the same atomic number but different mass numbers.
The difference in mass number is dues to different neutron numbers.
However, because they have the same proton number, they are atoms of the same element.
Neutral atoms contains equal number of protons and electrons.
An atom of barium has 56 protons and 56 neutrons in order to maintain electrical neutrality.
The mass number of an atom is determined by the sum of protons and neutrons.
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cf2br2 structural formula
Answer:
Here, this may help you:
https://brainly.in/question/28298343
Explanation:
What is the coefficient for lead (II) carbonate
Which sub atomic particle always determines the elemental identity of an atom
Answer:
The proton determines the identity of an element.
If you are given the mass of a reactant in grams and want to calculate the mass of a product in grams, what are the three steps of the calculation you must perform?
The major 3 steps in determining the mass of a product from a given mass of a reactant would be to find the balanced equation of the reaction, determine the mole ratio of the reactant to the product, and then use the equivalent mole of the product from the reactant to find the desired variable.
Finding the mass of productsWith a given mass of a reactant, the mass of a product from a reaction can be determined in 3 major steps:
Get the balanced equation of the reaction and determine the mole ratio of the reactant to the product.Find the number of mole of the reactant from the given massFind the equivalent number of mole of the product using the mole ratioFrom there, the equivalent number of moles of the product can be used to find the mass of the product by multiplying with the molar mass of the product.
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Look at the following elements and tell what information you can deduce from the given data.
1. Calcium 20 = Group 2 & Period 4
2. Oxygen = Group 6A & Period 2
The second law of thermodynamics states that all energy transformations result in an increase in entropy (disorder). If so, how does photosynthesis, which is an energy transformation, create order rather than disorder
Answer: Through photosynthesis carbon dioxide and water is converted to glucose which is more ordered.
Explanation:
Besides that initial consideration there is solar energy being added to the reaction which might be worth noting.
More important to note is that organic molecules/compounds such as glucose are higher in order compared to inorganic molecules/compounds such as water.
How is nitrite related to nitrate?
Answer:
here
Explanation:
Nitrates and nitrites are interrelated by oxidation reduction; nitrite is the breakdown product of nitrate. Many experts believe that nitrates are relatively harmless until they break down into nitrites.
Use the electron configurations and the periodic table to answer the question
Answer:
Nitrogen
Explanation:
1 arrow = 1 electron
there are 7 arrows = 7 electrons
Nitrogen has 7 electrons or 7 protons
When sodium hydroxide is dissolved in water within a beaker, you observe that the beaker becomes warm. This situation illustrates:
When sodium hydroxide is dissolved in water within a beaker, it is observed that the beaker becomes warm due to chemical reaction.
WHAT IS A CHEMICAL REACTION:A chemical reaction is a type of reaction that involves the rearrangement of atoms to form new substances.
The indications that a chemical reaction has occurred is:
Color Change.Production of an odor.Change of Temperature.Evolution of a gas (formation of bubbles)Precipitate (formation of a solid)Therefore, When sodium hydroxide is dissolved in water within a beaker, it is observed that the beaker becomes warm due to chemical reaction.
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What type of bonds do halogens form in binary compounds?
A. Ionic
B. Covalent
C. Metallic
Caesium is in period 6 group 1. Would you expect caesium to have a higher or lower melting point than rubidium? give a reason for your answer
Answer:
A higher melting point than rubidium
Explanation:
Since Caesium has very strong bond btwn atoms hence requires high energy to break causing it to have a high melting point than rubidium
Answer:
Caesium would have a lower than Rubidium.
Explanation:
The reason is the periodic order.