A beaker containing a mixture of N2(g) and H2(g) is cooled by placing it in a tray of cold water. In response to the cooling, the likely number of collisions between the molecules of N2(g) and H2(g) will . The rate of the reaction will .

Answers

Answer 1
Answer:

The frequency of collisions between the N₂ and H₂ molecules will decrease and the rate of reaction will also decrease.

Since the water is cooler than the gas mixture, heat will flow from the gas to the water.

The gas will cool down, so the average kinetic energy of the gas molecules will decrease.

The molecules will be moving more slowly, so there will be fewer collisions and fewer of these collisions will have enough energy to react.

The rate of reaction between H₂ and N₂ molecules at room temperature is exceedingly slow, but cooling the gas mixture will make the reaction even slower.

Answer 2
Answer:

Answer:

A beaker containing a mixture of N2(g) and H2(g) is cooled by placing it in a tray of cold water. In response to the cooling, the likely number of collisions between the molecules of N2(g) and H2(g) will  decrease. The rate of the reaction will  decrease.

Explanation:

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Which hybrid orbitals would be formed if one s orbital and three p orbitals combined? sp sp2 sp3 sp4

Answers

Answer: Four sp^3 hybridized orbitals will formed when one s-orbital and three p-orbitals combines.

Explanation:

  • When ever one s-orbital combines with three p-orbitals it gives four sp^3 hybridized orbitals.
  • In which there is 25% of s character and 75% of p character.
  • The shape of the sp^3 hybridized orbitals is Tetrahedral. As shown in image attached.

sp3 
it's just adding the number of s and p together 
example of sp3 hybridization = CH4 
with 1 s orbital of H and 3 p orbital of C

A model stands on a scale and finds her weight to be 105 pounds. Ifthe pressure exerted by her feet on the scale is 2.16 pounds per
square inch, what is the area of her feet in cubic centimeters?
__cm2

Answers

The area = 313.612 cm²

Further explanation

Force (F) can cause objects to move

While pressure (P)is the force per unit area

\tt P=(F)/(A)

weight=force=105 pounds(lb)⇒english units

pressure = 2.16 lb/in²

Thea are (A)

\tt A=(F)/(P)=(105)/(2.16)=48.61~in^2\n\n1~in^2=6,4516~cm^2\n\n48.61~in^2=313,612~cm^2

Which state of matter is more dense?​

Answers

Answer:

Gas - Liquid - Solid

Explanation:

If you are asking which state of matter is more dense of which, then this is the order.

- Liquid is more dense than Gas

- Solid is more dense than Liquid

- Gas is less dense than Air

Just to let you know, Solid is the most dense of them all, making Gas the least dense of the three.

Hope this helps! ^^

solids have more dens than any type of matter and I am sure btw

Perform the following calculations. Express the answers with the correct number of significant figures.a) 7 g - 3.5 g - 2.75 g =


b) 200.00 kg - 199.0 kg =


c) 25 L - 3.0 L =


d) 0.67 cm + 2.0 cm + 0.090 cm =


e) 104.5 g + 0.40 g =

Answers

The answer will be 0.75 gram, 1 kilo-gram, 22 L, 2.76 cm, and 104.9 gram.

What is gram?

A metric unit with mass and weight equal to approximately 15.432 grains, or one-thousandth of a kilo-gram, is called a gram.

Calculation of given question.

a) 7 gram - 3.5 gram - 2.75 gram = 0.75 gram

b) 200.00 kg - 199.0 kg  = 1 kilo-gram

c) 25 L - 3.0 L = 22 L

d) 0.67 cm + 2.0 cm + 0.090 cm = 2.76 cm

e) 104.5 g + 0.40 g = 104.9 gram

To know more about gram

brainly.com/question/12127497

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Since there are no conversions to be done just add them as is
a) 1 g
b) 1.0 kg
c) 22 L
d) 3.6 cm
e) 104.9 g

Which formula represents a molecular compound?
(1) Kr (3) N2O4
(2) LiOH (4) NaI

Answers

N2O4 is the only option from the list that represents a molecular compound, since compounds must contain at least two different atoms, although these can be from different groups. 

Answer: Option (3) is the correct answer.

Explanation:

A molecular compound is a compound in which atoms used to share electrons and thus results in the formation of covalent bonds.

For example, N_(2)O_(4) is a covalent compound and hence, it is a molecular compound.

Whereas LiOH and NaI are ionic compounds as their atoms has transferred electrons.

Therefore, we can conclude that out of the given options, N_(2)O_(4) is the formula which represents a molecular compound.

What will happen to the volume if the amount of a gas is decreased at constant temperature and pressure?

Answers

To predict the changes, we first that this gas is ideal. An ideal gas i when the molecules of the gas occupy a negligible volume and have no interactions with one another. The conditions of this gas can be calculated by the use of the Ideal Gas equation which is expressed as: PV=nRT. If this gas is at a constant temperature and pressure and the amount is decreased then the volume will most likely decrease as well.