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Llana [10]
3 years ago
14

What happens when the sun beats up the earth

Chemistry
1 answer:
frozen [14]3 years ago
7 0
Then we all die because the sun would blow up the earth.
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2
son4ous [18]

Answer: The molar enthalpy change is 73.04 kJ/mol

Explanation:

HCl+NaOH\rightarrow NaCl+H_2O

moles of HCl= molarity\times {\text {vol in L}}=0.415mol/L\times 0.1=0.0415mol

As NaOH is in excess 0.0415 moles of HCl reacts with 0.0415 moles of NaOH.

volume of water = 100.0 ml + 50.0 ml = 150.0 ml

density of water = 1.0 g/ml

mass of water = volume \times density=150.0ml\times 1.0g/ml=150.0g

q=m\times c\times \Delta T

q = heat released

m = mass  = 150.0 g

c = specific heat = 4.184J/g^0C

\Delta T = change in temperature = 4.83^0C

q=150.0\times 4.184\times 4.83

q=3031.3J

Thus 0.0415 mol of HCl produces heat = 3031.3 J

1 mol of HCL produces heat = \frac{3031.3}{0.0415}\times 1=73043.3J=73.04kJ

Thus molar enthalpy change is 73.04 kJ/mol

8 0
3 years ago
What is the measurement for momentum?
sertanlavr [38]
The unit of momentum is the product of the units of mass and velocity.
8 0
2 years ago
When a person looks at a bright light, tiny muscles in the eye contract so less light can enter the eye.
bagirrra123 [75]

Answer:

involuntary, attached to the eyeball, nonstriated.

Explanation:

6 0
2 years ago
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What do the roman numberals mean?
Bezzdna [24]

Explanation:

c I think I am not sure so yh

3 0
3 years ago
Match the following rocks with the correct type obsidian intrusive igneous granite organic sedimentary conglomerate clastic sedi
Marizza181 [45]
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evaporite -  chemical sedimentary 
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