If I have a bottle of compound X at a pressure of 45 atm and temperature of 100 °C, what will happen if I raise the temperature to 400 °C?*

Answer:

A. non fiction or a ajami to download

Answer:

a. Expansion: the spatial dilation of a material that occurs upon changes in its composition. (an increase in number or amount to become larger in size.)

E.g- in a thermometer, when it gets hotter, the liquid inside them expands and rises up the tube.

b. Sublimation: the process in which a solid changes directly into a liquid.

E.g- dry ice, solid iodine and ammonium salts.

when the above solids are heated, only particles which are found on the surface of the solid have enough energy to break all forces of attraction and form a gas.

c. Contraction: it is the opposite of expansion. when a liquid is cooled the particles slow down and contract.

E.g- when a thermometer is taken out of your mouth, it contracts and the liquid inside falls back to the bottom.

f. Random Motion: motion in which the particle moves in a zig-zag manner and not in a straight line. The kinetic particle theory states that matter is made up of particles which are in constant random motion,

Explanation:

I think is 4.41 the answer of your question

Answer: 4.4lb

Explanation:

Answer:

Si System

hope this helped!

Answer:

2

Explanation:

The sample has halved twice.

1/2 of 1/2 is 1/4, and 1/2 of 1 is 1/2.

Answer

Yes, it's true

In any case or all cases, heat always flow from the hotter object to the colder object

Answer:

In all cases heat flows from a hotter object to a colder object (true/false)

Explanation:

true

Answer:

DENSITY=mass/volume

Explanation:

Answer:Density, mass of a unit volume of a material substance. The formula for density is d = M/V, where d is density, M is mass, and V is volume. Density is commonly expressed in units of grams per cubic centimetre.

Explanation:

Answer:

A seed is formed when fertilised ovule divides by mitosis. ... The ovary of the flower develops into the fruit while ovules develop into seeds. The formation of seed completes the process of reproduction in plants. Within the seed, the growing embryo develops and matures.

Answer:

A - Filing the nail is a physical change because the composition of the material does not change but the general appearance of the iron does change.

Explanation

yeah its just the right answer

The following statement accurately identifies one of the changes that occurs as a physical or chemical change;  "Filing the nail is a physical change because the composition of the material does not change but the general appearance of the iron does change."

The most important aspect of chemical change is that  the composition of a substance changes when the substance undergoes a chemical change. This is not the case when the substance undergoes a physical change.

After a physical change, the form, size or appearance may change but never in composition.

Hence the appropriate answer is;  "Filing the nail is a physical change because the composition of the material does not change but the general appearance of the iron does change."

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Answer:

The octet rule is a chemical rule of thumb that reflects the theory that main-group elements tend to bond in such a way that each atom has eight electrons in its valence shell, giving it the same electronic configuration as a noble gas.

Answer:

in a 1 Liter flask at 850 K, the equilibrium concentration of NH3 is measured as 0.12 M. Given that ammonia decomposes according to the reaction

2 NH3(g) ⇌ N2(g) + 3 H2(g),

what is Kc for the reaction?

a. 0.16

b. 12.00

c. 1.44

d. 6.22

e. 0.75

The response is 12.00 (b). Using the equation Kc = [N2][H2]3/[NH3]2, we can find the equilibrium constant Kc for the reaction 2 NH3(g) N2(g) + 3 H2(g).

In this instance, the capacity of the flask is 1 litre, and the equilibrium concentration of NH3 is 0.12 M. Therefore, using the reaction's stoichiometry, it is possible to determine the equilibrium concentrations of N2 and H2.

Since 2 moles of NH3 break down into 1 mole of N2 and 3 moles of H2, the equilibrium concentrations of N2 and H2 are 0.06 M and 0.18 M, respectively. As a result, the equilibrium constant Kc = [N2][H2]3/[NH3]2 = (0.06)(0.18)3/0.122 = 12.00 may be computed.

Therefore, b. 12.00 is the right response. You should be aware that the equilibrium constant Kc is a value that is temperature-dependent and is only applicable at the specified temperature. As a result, Kc will have a varied value depending on the temperature. The temperature in this instance is 850 K, and the Kc value is 12.00.  

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Answer:

a i j took test and c was wrong

Explanation:

Answer:

the answer is a. c is wrong

Explanation:

exactly 22.0 grams

because freezing is a physical change not a chemicl change..so nothing is taken away or added

ANSWER;

exactly 22.0 grams

because freezing is a physical change not a chemicl change..so nothing is taken away or added

From the options listed The graph would show a negative correlation  ( C )

Correlation is used to express the relationship between two or more variables.  correlation can be measured into four ( 4 ) in statistics :

But Generally correlation is categorized as either a positive or a negative correlation.

In a negative correlation the variables are inversely proportional to each other while in a positive correlation the variables are directly proportional to each other.

Note : an inverse proportion simply means that an increase in value of one variable = decrease in value of the other and vice versa

hence the graph would show a negative correlation given that the the values of the motorcycle decreases with increase in time.

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Answer:

space telescope I assume

Explanation:

all other tools can be made and used very easily but a telescope took years and years to invent

Answer:

Bailee is incorrect. The mass of objects stay the same but the weight will change.

Explanation:

Mass is how much space something takes up, so that wouldn't change on the moon. The weight however would change because the gravitational pull on the earth is different from that on the moon.

I hope this helps!

Bailee explained that when traveling to the moon. The statement of Bailee is incorrect. The mass of the objects stays the same, but the weight will change. The correct option is B.

Gravity is a force that pulls all objects towards itself. It is present on the earth and in the galaxy. Gravity is the cause of all planets, and the sun and the moon stay in their own places.

The weight of items on the moon is equal to their weight on Earth, according to Bailee, thus he needs only bring a small amount of luggage. The mass is the quantity of matter. The mass never changes, only the weight changes of an object when they are on different planets.

Thus, the correct option is B. The mass of the objects stays the same, but the weight will change.

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Answer:

Kc =[tex]\frac{[8.326x10-3]^{1} }{[1.113x10-2]^{1}[1.490x10-2]^{1} }[/tex]

Kc = 50.2059

Explanation:

1. Balance the equation

2. Use the Kc formula

Remember that pure substances, like H2 are not included on the Kc formula

The value of the equilibrium constant Kc of the reaction at the temperature of the vessel is 0.05.

Calculation,

The balanced chemical equation is given as,

                      [tex]2H_{2}O[/tex]             +         [tex]2CO[/tex]            →            [tex]2H_{2}[/tex]       +     [tex]2CO_{2}[/tex]

At t=0          1.113×[tex]10^{-2}[/tex]                 1.490×[tex]10^{-2}[/tex]                                         0

At [tex]t=t_{eq}[/tex] 1.113×[tex]10^{-2}[/tex]-8.326×[tex]10^{-3}[/tex]   1.490×[tex]10^{-2}[/tex]-8.326×[tex]10^{-3}[/tex]            8.326×[tex]10^{-3}[/tex]  

The number of moles of [tex]H_{2}O[/tex] at equilibrium  =  1.113×[tex]10^{-2}[/tex]-8.326×[tex]10^{-3}[/tex]

The number of moles of [tex]CO[/tex] at equilibrium  = 1.490×[tex]10^{-2}[/tex]-8.326×[tex]10^{-3}[/tex]

The number of moles of  [tex]CO_{2}[/tex]   at equilibrium =   8.326×[tex]10^{-3}[/tex]  

Equilibrium constant is calculated bt ratio of product of concentration of reactant by product.

K = [tex][H_{2}O]^{2}[/tex]×[tex][CO]^{2}[/tex]/[tex][CO_{2}]^{2}[/tex]

K =( 1.113×[tex]10^{-2}[/tex]-8.326×[tex]10^{-3}[/tex] )∧2× (1.490×[tex]10^{-2}[/tex]-8.326×[tex]10^{-3}[/tex])∧2/(8.326×[tex]10^{-3}[/tex])∧2

K = 0.049 ≈ 0.05

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The sun is a star.

If you were talking about that

the sun is a Star...............

Answer:

4.735 litres

Explanation:

10 dL = 1 litre

47.35 dL = 47.35/10 = 4.735 litres

Answer:  An increase in temperature in the balloon.

Explanation: due to an increase in temperature it causes a rise in kinetic energy produced in the balloon thus creating more particle collision thus resulting in expansion in the balloon.

HOPE THIS HELPSS!!!!!!!!!!!

The equili constant assuming reaction is from isomer A to isomer B; 19

i.e. A ⇄ B = 19

Given data :

% wt of A = 5

% wt of B = 95

assume the mass of mixture = 100 g

wt of A = 5% of 100 = 5 g

wt of B = 95% of 100 = 95 g

∴ mole of A = 5/M mol,  mole of B = 95/M  mol   ( where M = molar mass )

expressing the equilibrium constant

A ⇄ B  

equilibrium constant = [tex]\frac{[B]}{[A]}[/tex] = [tex]\frac{ (95/M) /V}{(5/M)/V}[/tex]  where V = volume

∴ Equilibrium constant = 19 assuming process is from A to B

hence the equilibrium constant = 19 assuming reaction process is from A to B

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Answer:

it's John Dalton

Explanation:

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Answer:

1.25 x ( 6.02 × 10^23) = 7.525 × 10^23 atoms

answer: option d (2×molar mass of H +2×molar mass of O

Answer:

A. Sturdy

Explanation:

Unlike every other answer, the cell wall is the part of the cell that acts as a strong barrier of the cell. In this case, it is sturdy.