3 years ago

Jorge conducted an experiment, and included the graph shown below as part of his lab report.

Chemistry

1 answer:

sergiy2304 [10]3 years ago

8 0

Answer:physical change

Explanation:

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1. A compound is found to contain

satela [25.4K]

Answer:

FeSO2

Explanation:

Please see attached picture for full solution.

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3 years ago

Which of the following is not true of atoms?

Alexandra [31]

Answer:

they are composed of water

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3 years ago

Read 2 more answers

Sulfuric acid dissolves aluminum metal according to the following reaction:

Fiesta28 [93]

Answer:

$m_{H_2SO_4}=81.7gH_2SO_4$

$m_{H_2}=1.67gH_2$

Explanation:

Hello,

Based on the given undergoing chemical reaction is is rewritten below:

$2Al (s) + 3H_2SO_4 (aq)\rightarrow Al _2(SO4)_3 (aq) + 3H_2 (g)$

By stoichiometry we find the minimum mass of H2SO4 (in g) as shown below:

$m_{H_2SO_4}=15.0gAl*\frac{1molAl}{27gAl}*\frac{3molH_2SO_4}{2molAl}*\frac{98gH_2SO_4}{1molH_2SO_4} \\m_{H_2SO_4}=81.7gH_2SO_4$

Moreover, mass of H2 gas (in g) would be produced by the complete reaction of the aluminum block turns out:

$m_{H_2}=15.0gAl*\frac{1molAl}{27gAl}*\frac{3molH_2}{2molAl}*\frac{2gH_2}{1molH_2} \\m_{H_2}=1.67gH_2$

Best regards.

3 0

3 years ago

6. A box measures 11.25 inches in length, 8.1 inches in width and 6.85 inches in height. What is the

denis23 [38]

Answer:

I'd say 624.2^3 inches.

Explanation:

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3 years ago

What could we use to measure the energy of particles when we are unable to see them

iVinArrow [24]

Answer:

Temperature.

Explanation:

Temperature is a measure of the average kinetic energy of a system.

6 0

3 years ago