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liq [111]
3 years ago
6

Describe how molecules form from individual elements. How and why can we predict which molecules will form?

Chemistry
1 answer:
Dmitry [639]3 years ago
6 0
Molecules form from individual elements by bonding to each other through the valence electrons. These electrons are the one responsible for bonding. Molecules form because these individual element atoms are not stable by themselves. Hope this answers the question.
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A student decides to dissolve crackers in their soup as fast as possible. After increasing the surface area of the crackers, the
Margarita [4]

Answer:

They can let the cracker sit in the soup for a few minutes

3 0
3 years ago
heeeeelp what type of reaction is shown below? Fe+ Ci2= FeCi3 (i need and explination of how i got the answer) heelp pleass
OlgaM077 [116]

Answer:

a chemical reaction

Explanation:

The fact that you are combining two different elements together makes this a chemical reaction. (hope that helps)

3 0
3 years ago
At constant temperature, if a gas occupies 312 mL at a pressure of 1.60 atm, what pressure is necessary for this gas to occupy a
inn [45]

Answer:

P₂ = 1.0 atm

Explanation:

Boyles Law problem => P ∝ 1/V at constant temperature (T).

Empirical equation

P ∝ 1/V => P = k(1/V) => k = P·V => for comparing two different case conditions, k₁ = k₂ => P₁V₁ = P₂V₂

Given

P₁ = 1.6 atm

V₁ = 312 ml

P₂ = ?

V₂ = 500 ml

P₁V₁ = P₂V₂ => P₂ = P₁V₁/V₂ =1.6 atm x 312 ml / 500ml = 1.0 atm

5 0
3 years ago
Gases generally have Group of answer choices low density closely packed particles no decrease in volume when pressure is increas
dsp73

Answer:

Low density

Explanation:

The answer to this question is low density as Gases in general have low densities as their particles are very far apart. Their inter-molecular spaces are actually large. And The number of molecules per unit volume in a gas are small when we put them in comparisons with solids and liquids. That is why they have low densities.

I hope this answers your question.

4 0
3 years ago
For the reaction PCl5(g) + heat PCl3(g) + Cl2(g), what will happen when the volume is increased?
Fiesta28 [93]
Answer: There will be a shift toward the products. 

The effect of increasing volume will be similar to decreasing pressure, it will shift the equilibrium into the side with higher molecule count. In the reaction above, the product molecule count is 1 (one PCl5) while the product is 2 (one PCl3 + one Cl2). So, increasing volume will increase the rate of product formation.
6 0
3 years ago
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