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iren [92.7K]
2 years ago
6

Which is a NOT a freshwater source on Earth?

Chemistry
1 answer:
cluponka [151]2 years ago
7 0

Answer:

B the atmosphere it's not on earth and I'm pretty sure  the atmosphere doesn't have water in

Explanation:

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Which metal absorbs the greatest amount of heat energy
Fed [463]

Answer:

This question is incomplete but the completed question is in the attachment below. And the correct is b

Explanation:

Specific heat capacity can be defined as the amount of heat required to raise to raise 1 kg of a substance by 1 kelvin. Thus, this means that when the specific heat capacity of a substance is high, it takes more energy to increase the temperature of that substance. This also means that when different substances are subjected to the same amount of heat, the substance with the higher specific heat capacity will absorb less heat; for example at a beach, water has a very high specific heat capacity, thus when the sand in the beach is hot, the beach water is still relatively cold.

From the description above, <u>it can be seen that the metal with the least specific capacity will absorb the greatest amount of heat, thus the metal is lead</u> with the specific heat capacity of 0.129 J/(g. °C).

4 0
2 years ago
Gold atoms can be identified based on the number of which subatomic particles?
sp2606 [1]

Answer: A

Explanation:

A Gold (Au) atom has 79 protons and 79 electrons. A typical gold atom has 118 neutrons, though there are 18 other radioisotopes discovered so far. 79 is its charge (atomic number), which is both its proton number and electron number

7 0
3 years ago
Read 2 more answers
What is the ph of a solution that is 0.50 m in propanoic acid and 0.40 m in sodium propanoate. (ka for propanoic acid = 1.3 x 10
max2010maxim [7]
<span>The pH is given by the Henderson - Hasselbalch equation:
              pH = pKa + log([A-]/[HA])
              pH = -log(</span><span>1.3 x 10^-5) + log(0.50/0.40)
              pH = 4.98
The answer to this question is 4.98.
</span>
3 0
3 years ago
Which of the following compounds does NOT contain molecules?<br> O CO2<br> ОН2<br> O Naci<br> OH20
wel

Answer:

Explanation:

NaCl does not contain molecules

7 0
2 years ago
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Which of the following is always involved in a scientific inquiry?​
Oxana [17]

Answer:

I think the answer is coming up with questions based on observations and reasoning

8 0
2 years ago
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