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Tanzania [10]
3 years ago
7

How are reactants different than products?​

Chemistry
1 answer:
kupik [55]3 years ago
4 0

Answer:

A reactant is there at the start of a chemical reaction, whereas a product is there at the end of a chemical reaction.

I hope this helps!

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the answer would be a i did the test

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What form of matter is made of only one type of atom
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All of these are examples of an animal maintaining homeostasis EXCEPT:
Pie

Answer:

A whale bleeding from a cut.

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Shivering in the cold, breathing hard during exercise, and sweating because it's hot are ways the body is working to maintain good functioning and to keep the body alive. Bleeding from a cut is not an example of this.

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How did mendeleev orginally organize the element in his periodic table
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Read 2 more answers
How much heat does it take to melt 5.0g solid copper?
Leya [2.2K]

Answer:

Q=1.04kJ

Explanation:

Hello,

In this case, for latent heat (phase change) we need to consider the enthalpy associated with the involved process, here, melting or fusion; thus, the enthalpy of fusion of copper is 13.2 kJ/mol, therefore, the heat is computed as:

Q=m\Delta H_{fus}

Nevertheless, since the given enthalpy is per mole of copper, we need to use its atomic mass to perform the correct calculation as follows:

Q=5.0g*\frac{1mol}{63.54}* 13.2\frac{kJ}{mol}\\ \\Q=1.04kJ

Which is positive as it needs to be supplied to the system.

Best regards.

5 0
3 years ago
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