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timofeeve [1]
3 years ago
5

What is an atom?explain it plz.

Chemistry
1 answer:
Contact [7]3 years ago
6 0
It is the smallest unit it is what makes up everything

joke-Don't trust Atoms they make up everything
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Which reacts faster, rock salt or grains of salt? Why?​
sweet-ann [11.9K]

Answer:

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Explanation:

because it has a much larger volume ratio

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3 years ago
Which products are the result of photosynthesis? ANSWER QUICK 99 POINTS!!!
hjlf

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4 0
3 years ago
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What is the empirical formula of a compound composed of 30.5 g potassium (k) and 6.24 g oxygen (o)?
VLD [36.1K]
K5O2

convert grams to moles, divide both by the smallest mole mass, multiply that until hole.

30.5 g K ÷ 39.10 = .78 mol
6.24 g O ÷ 16 = .39 mol
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.39 mol ÷ .39 mol = 1
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3 years ago
A student spends 4.5 hours studying for a test. How much time is this equivalent to in seconds
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7 0
3 years ago
What is the limiting reactant in a reaction where 10.0 mol of iron is treated with 12.0 mol of bromine? The product that forms i
hammer [34]

<u>Answer:</u> The limiting reagent in the reaction is bromine.

<u>Explanation:</u>

Limiting reagent is defined as the reagent which is completely consumed in the reaction and limits the formation of the product.

Excess reagent is defined as the reagent which is left behind after the completion of the reaction.

Given values:

Moles of iron = 10.0 moles

Moles of bromine = 12.0 moles

The chemical equation for the reaction of iron and bromine follows:

2Fe+3Br_2\rightarrow 2FeBr_3

By the stoichiometry of the reaction:

If 3 moles of bromine reacts with 2 moles of iron

So, 12.0 moles of bromine will react with = \frac{2}{3}\times 12.0=8moles of iron

As the given amount of iron is more than the required amount. Thus, it is present in excess and is considered as an excess reagent.

Hence, bromine is considered a limiting reagent because it limits the formation of the product.

Thus, the limiting reagent in the reaction is bromine.

3 0
2 years ago
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