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SIZIF [17.4K]
3 years ago
15

How can a chemical reaction be sped up?Select from the drop-down menu to correctly complete the statement.

Chemistry
2 answers:
djyliett [7]3 years ago
5 0
The answer is : Concentration
And yes
lakkis [162]3 years ago
3 0

Answer:

A) Concentration

Explanation:

When you add a chemical to itself it becomes more concentrated making it more powerful and faster

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Magnesium carbonate decomposes on heating to form magnesium oxide and carbon dioxide as shown.
lorasvet [3.4K]
C. 21.0g

that’s the aweeee
7 0
3 years ago
A gaseous substance turns directly into a solid. Which term describes this change?
UkoKoshka [18]

Answer:

deposition

Explanation:

Sublmation- solid transforming into a gas, skipping the liquid stage.

eveporation- a liquid transformimg into a gas

melting- a solid transforming into a liquid

deposition- the opposite of sublimation (your anwser)

7 0
2 years ago
Read 2 more answers
Which of the following represents the relative charge of proton
Snowcat [4.5K]
You’ve not put anything below so I’m not sure what the options are but the relative charge of a proton is +1
8 0
2 years ago
Can someone please help me?
Olin [163]

Answer:

c.)the reactants have the same mass as the products

Explanation:

According to the law of conservation of mass, the mass of the products in a chemical reaction must equal the mass of the reactants.

hope it helps!

8 0
3 years ago
Collisions of helium atoms with the walls of a closed container cause
iogann1982 [59]
1) Option b: gas pressure.

This is sustainted by the kinetic molecular theory of the gases.

2) Option c: raising the temperature of the gas will increase the pressure if the volumen of the gas and the number of particles are constant.

PV = nRT

If V and n are constant, P is proportional to T, then if T increase P will increase too.
5 0
3 years ago
Read 2 more answers
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