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Cloud [144]
3 years ago
9

In a chemical reaction , atoms are created/rearranged. The atom are joined together in the same/different arrangements after the

reaction. The total number of each type of atom is greater/less/The same after the reaction.
Choose the correct word from the slahs
Chemistry
1 answer:
Paul [167]3 years ago
4 0

Answer:

I think these are the answers:

Explanation:

created/rearranged

same/different

greater/less/same

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Determine the rate of a reaction that follows the rate law rate = k a m b i where
ikadub [295]
(missing part of your question):
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So when the rate = K[A]^m [B]^i
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So by substitution:
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6 0
3 years ago
What is the volume of 8.80 g of CH4 gas at STP?
Ann [662]

Answer:

12.32 L.

Explanation:

The following data were obtained from the question:

Mass of CH4 = 8.80 g

Volume of CH4 =?

Next, we shall determine the number of mole in 8.80 g of CH4. This can be obtained as follow:

Mass of CH4 = 8.80 g

Molar mass of CH4 = 12 + (1×4) = 12 + 4 = 16 g/mol

Mole of CH4 =?

Mole = mass/Molar mass

Mole of CH4 = 8.80 / 16

Mole of CH4 = 0.55 mole.

Finally, we shall determine the volume of the gas at stp as illustrated below:

1 mole of a gas occupies 22.4 L at stp.

Therefore, 0.55 mole of CH4 will occupy = 0.55 × 22.4 = 12.32 L.

Thus, 8.80 g of CH4 occupies 12.32 L at STP.

6 0
3 years ago
2NaCl → 2Na +Cl2<br> What reaction is this
babunello [35]

Answer:

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A single reactant breaking down to form 2 or more products is decomposition

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