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1 year ago

Do household fluid substances melt at the same rate?

Chemistry

1 answer:

Ne4ueva [31]1 year ago

4 0

Answer:

1) Different masses or densities. The rate at which a substance changes temperature is related to its mass. If 1 fluid ounce of ice cream is less dense than a fluid ounce of coffee, the ice cream will change temperatre more quickly.

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What are the components of our solar system?

Crank

Star the sunnnnnnnnnn

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2 years ago

How many molecules of ethane are present in 64.28 liters of ethane gas (C2H6) at STP

Rom4ik [11]

Answer : The molecule of ethane present in 64.28 L of ethane gas at STP is, $17.277\times 10^{23}$ molecule.

Solution :

At STP,

22.4 L volume of ethane present in 1 mole of ethane gas

64.28 L volume of ethane present in $\frac{64.28L}{22.4L}\times 1mole=2.869moles$ of ethane gas

And, as we know that

1 mole of ethane molecule contains $6.022\times 10^{23}$ molecules of ethane

2.869 moles of ethane molecule contains $2.869\times 6.022\times 10^{23}=17.277\times 10^{23}$ molecules of ethane

Therefore, the molecule of ethane present in 64.28 L of ethane gas at STP is, $17.277\times 10^{23}$ molecule.

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3 years ago

Read 2 more answers

Which statement best describes the temperature of the ocean's surface water?

Sloan [31]

Answer:1 is the answer i think

7 0

3 years ago

How many atoms are in 3.5 moles of arsenic atoms?

solmaris [256]

Answer:

2.107×10²⁴

Explanation:

no of moles=no of particles/Avogadro's number

3.5=X/6.02×10²³

by cross multiplication

3.5×6.02×10²³

=2.107 ×10²⁴

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3 years ago

Read 2 more answers

Compressing a spring increases its

VashaNatasha [74]

Answer:

B. potential energy

Explanation:

Potential energy ( Mechanical in this case ) is energy stored by force. so If you are compressing a spring you are increasing more potential to it by force.

3 0

3 years ago