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marta [7]
3 years ago
12

Is freshwater a mixture?

Chemistry
1 answer:
dem82 [27]3 years ago
7 0

Answer:

No

Explanation:

A mixture is when two or more substances combine physically together. However, in water, two hydrogen atoms combine with one oxygen atom chemically, forming a new substance that has properties different from hydrogen alone or oxygen alone. ... Therefore, water is not a mixture

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mutual relationship

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5 0
1 year ago
NaCl has a Hfus = 30.2 kJ/mol. What is the mass of a sample of NaCl that needs 732.6 kJ of heat to melt completely? 24.3 g 82.7
alina1380 [7]
Hello.

The answer is  1417.7

Its 1417.7 grams becasue you have  to convert the moles to grams.


<span /><span><span>A mole is the amount of pure substance containing the same number of chemical units as there are atoms in exactly 12 grams of carbon-12 (i.e., 6.023 X 1023).

</span><span>a coherent, typically large body of matter with no definite shape.

Have a nice day</span></span>
4 0
3 years ago
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All of the following are examples of matter except
Alexxandr [17]

A. Heat because it does not take up space.

3 0
3 years ago
What is the mass of an object that has a density of 8 g/cm3 and a volume of 12 cm3
balandron [24]

Answer:

96 grams

Explanation:

Density = mass / volume     Multiply both sides by the volume

density * volume = mass    

mass = 8 g / cm^3 * 12 cm^3

mass = 96 grams

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3 years ago
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