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beks73 [17]
2 years ago
10

An object has a mass of 3.50 grams and a density of 5.61 g/mL. What is the volume of this object? *

Chemistry
1 answer:
Elina [12.6K]2 years ago
5 0

Answer:

<h2>0.62 mL</h2>

Explanation:

The volume of a substance when given the density and mass can be found by using the formula

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

From the question we have

volume =  \frac{3.50}{5.61}  \\  = 0.6238859...

We have the final answer as

<h3>0.62 mL</h3>

Hope this helps you

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The number of sandwiches that can made with  6 pieces of bread and 4 slices of cheese is 3 sandwiches.

<h3>What are limiting reactants?</h3>

Limiting reactants are those reactants which determine the amount of product that can be formed since they get used up in a reaction.

In the making of sandwiches from bread and cheese, the limiting reactant is the material that is used up.

The formula for making a sandwich is given below;

2 pieces of bread + 1 slice of cheese = 1 sandwich

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Thus, bread is the limiting reactant.

Therefore, the number of sandwiches that can made with  6 pieces of bread and 4 slices of cheese is 3 sandwiches.

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A small amount wet of hydrogen gas can be prepared by the reaction of zinc with excess hydrochloric acid and trapping the gas pr
dybincka [34]

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Explanation :

According to the Dalton's law of partial pressure,

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Now put all the given values in the above expression, we get:

729.7mmHg=P_{H_2}+23.8mmHg

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Therefore, the partial pressure of the hydrogen is, 705.9 mmHg

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3 years ago
How many moles of Ar gas are<br> present in a container with a<br> volume of 78.4 L at STP?
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<h3><u>Answer:</u></h3>

<u>1 mole of a gas at STP occupies 22.4 L volume </u>

<u>Now the volume is given =78.4 therefore,</u>

<u>No. of moles of gas = 78.4 ÷ 22.4 = 3.5 moles</u>

<u>I hope it helps you~</u>

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Answer:

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