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QveST [7]
3 years ago
11

How does a volcano erupt ?

Chemistry
1 answer:
stiv31 [10]3 years ago
3 0
Earth is so hot inside that magma erupts and flies out. LOL hope this helps.
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Addition of a catalyst can speed up a reaction by providing an alternate reaction pathway that has a
kkurt [141]

Answer:

Addition of a catalyst can speed up a reaction by providing an alternate reaction pathway that has a lower activation energy

Explanation:

A catalyst is an agent that increases the rate of a chemical reaction by providing an alternate pathway for the reaction that requires a lower activation energy. As the requirement for activation energy is less in the presence of a catalyst, there are more reactant particles becoming involved in the chemical reaction and as such there are more products formed per unit time, or there is an increase in the rate of the reaction

Example of catalyst include

1. Addition of potassium permanganate to hydrogen peroxide to aid in the rapid decomposition into water and oxygen

2. Platinum serves as a catalyst in the complete combustion of carbon monoxide into carbon dioxide.

5 0
4 years ago
When computing using dimensional analysis:
shusha [124]

Answer: unit conversions can be done either simultaneously or separately

Explanation:

6 0
4 years ago
Please I need help with questions 1-4 and can you check if I plot it correct in to the punnet square for questions 1-4 and I nee
fgiga [73]
Number 1 is incorrect, the genotypes are given to you. You need to use GG and gg. The outcome would be 100% Gg.

Number 2 is incorrect, the genotypes are given to you. You need to use Gg and Gg. The outcome would be 25% gg, 25% GG, and 50% Gg.

Number 3 is incorrect, the genotypes are given to you. You need to use TT and tt. The outcome would be 100% Tt.

Number 4 is incorrect, the genotypes are given to you. You need to use RR and rr. The outcome would be 100% Rr.

Please read the directions and use the genotypes they give you! The information is all there for you, you just need to put it in correctly. If you're still having trouble understanding how to do this, feel free to message me and I'd be happy to help you.
8 0
3 years ago
Explain why 0.76 * 103 would not be considered a correct answer for a scientific notation problem? What should be done to fix th
Valentin [98]
The decimal should be after the 7 and before the 6.
7 0
3 years ago
Read 2 more answers
Calculate the mass, in grams, of each sample. a. 1.1 * 1023 gold atoms b. 2.82 * 1022 helium atoms c. 1.8 * 1023 lead atoms d. 7
Vlada [557]

Answer:blablablablablabla

Explanation:

Blablabla

5 0
3 years ago
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