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sergiy2304 [10]
3 years ago
12

Justin Bleeber is a lazy young man and decides to burn a pile of leaves instead of bagging it. The pile of leaves weighed three

pounds before being burned. After the leaves are burned the leftover ash weighs half a pound. What happened to the rest of the mass of the leaves? A) It was destroyed. B) It soaked into the ground. C) It compacted into the ash. D) It was turned into smoke and gas.
Chemistry
2 answers:
guajiro [1.7K]3 years ago
5 0

Answer is: D) It was turned into smoke and gas.

Conservation of mass (mass is never lost or gained in chemical reactions), during chemical reaction no particles are created or destroyed, the atoms are rearranged from the reactants to the products.

Gas that escaped is probably carbon(IV) oxide and little carbon(II) oxide, so the mass of product measured is less than reactants.

If mass of gas is also measured, masses of reactants and products are the same.

Luden [163]3 years ago
3 0
Its D. Because the rest of the mass turned to gas
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jeka94

Answer:

<h2>8.5 g/cm³</h2>

Explanation:

The density of a substance can be found by using the formula

density =  \frac{mass}{volume} \\

From the question we have

density =  \frac{340}{40}  =  \frac{17}{2}  \\

We have the final answer as

<h3>8.5 g/cm³</h3>

Hope this helps you

5 0
3 years ago
A metal, M, forms an oxide compound with the
lapo4ka [179]

Answer:

Group 1

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3 years ago
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prisoha [69]

Answer:

Isomers are defined as the molecules or polyatomic ions which have similar molecular formula but different in arrangements of atoms.

Isomers can be found  in food items carrying glucose (C6H12O6), galactose or fructose,  they all have the same chemical formula but differ structurally and chemically.

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4 0
2 years ago
assume you have a 500 g sample of a radioactive isotope with a half-life of 100 years. fill in the table showing how many grams
sweet-ann [11.9K]

Answer:

8.10 hours.

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After the second, you have 125.0g.

After the third, you have 62.50g.

Therefore, it takes three half-lives to decay to 62.50g.

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24.3

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8.10

, so it is 8.10 hours.

Explanation:

3 0
3 years ago
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vladimir1956 [14]

Answer:

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