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Ivan
3 years ago
13

what is the volume of a sample of liquid mercury that has a mass of 76.2 g, given that the density of mercury is 13.6 g/ml?

Chemistry
1 answer:
lilavasa [31]3 years ago
6 0
24 square root . i know im wrong but so what 
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In the Reaction CuCl2 + 2 NaNO3 —> Cu(NO3)2 + 2 Naci
Lunna [17]

Explanation:

The molar mass of the compounds are incorrect

5 0
2 years ago
4. What is the total mass of ice that can be vaporized by 2100 kJ of heat energy?
anygoal [31]

Answer:

5 g

Explanation:

The heat required to vaporize ice is the sum of

i) Heat required to melt ice at 0°C

ii) Heat required to raise the temperature from  0°C to 100°C

iii) Heat required to vaporize water at 100°C

Thus;

H = nLfus + ncθ + nLvap

H= n(Lfus + cθ + Lvap)

Lfus = 6.01 kJ/mol

Lvap = 41 kJ/mol

c = 75.38

n =?

2100 = n(6.01  + 75.38(100) + 41)

n = 2100 KJ/7585.01 kJ/mol

n = 0.277 moles

Mass of water = number of moles * molar mass

Mass of water = 0.277 moles * 18 g/mol

Mass of water =  5 g

3 0
3 years ago
The main difference between strong electrolytes and weak electrolytes is....
Bogdan [553]
Definitely their jawline… just kidding, it’s how much they dissociate
6 0
3 years ago
Once the sun's energy reaches the earth's atmosphere through radiation, it is circulated within the atmosphere and oceans throug
Levart [38]

B) convection

Explanation:

Once the sun's energy reaches the earth's atmosphere by radiation, it is circulated within the atmosphere and oceans through convection.

The energy of the sun on earth is moved between the ocean and the atmosphere by air around us.

  • Heat transfer in fluids is by convection.
  • It involves the actual motion of the particles of medium from one place to another due to differences in temperature and density.
  • Air close to the surface of the ocean is less dense and hot due to high temperature.
  • The air rises and it is replaced by colder air masses.
  • This exchange leads to the development of convective cells.
  • This moves the energy of the sun between the atmosphere and the ocean surface.

learn more:

Radiation brainly.com/question/1140127

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4 0
3 years ago
Please help(15 points)
Triss [41]

Answer: because they take a lot of tie to form  

4 0
3 years ago
Read 2 more answers
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