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mario62 [17]
3 years ago
7

Help..........................................................................

Chemistry
2 answers:
bearhunter [10]3 years ago
4 0
 the answer is g the energy from the sun evaporates the water along with condition forming the clouds. <span />
zubka84 [21]3 years ago
3 0
The answer is g, as the evaporated water goes into the clouds
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The heat of vaporization of 1-pentanol is 55.5 kj/mol, and its entropy of vaporization is 148 j/k.mol. what is the approximate b
KonstantinChe [14]
As you can see, the unit of heat of vaporization is in kJ/mol, while the unit for entropy of vaporization is in J/mol·K. Since it is vaporization, this occurs at the boiling point. Thus, the formula would be:

Boiling Point = ΔHvap/ΔSvap

Make sure the units are consistent.

Boiling point = 55.5 kJ/mol * 1000 J/kJ / 148 J/mol·K = <em>375 K or 102°C</em>
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3 years ago
Why did engineers need to design a sunshade for Mercury Messenger?
zloy xaker [14]
The answer is so it didn't burn.
8 0
3 years ago
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Where in an equation for photosynthesis does oxygen belong?
LUCKY_DIMON [66]

Answer:

on the right side, because it is a product

Explanation:

photosynthesis is the chemical reaction with the help of which plants produce chemical energy with the help of light energy.

_______________________________________________

The general standard for writing chemical reaction is that

  • The chemical which are input to the process of chemical reaction are written on left hand side . They are known as reactant.
  • The output of chemical reaction are written on right side. They are termed as product.
  • Transition of reactant to product is shown by arrow.

Chemical reaction for photosynthesis is given by below equation

6CO2 + 12H2O  + light ----------------> C6H12O6 + 6O2 + 6H2O  

We can see that 6 molecules of light combines with 12 molecules of water to give one molecule of glucose and 6 molecules of both water and oxygen.

As, oxygen is the output of photosynthesis process, it is written on the right-hand side of equation and is product of this reaction.

.

Thus, of the options given below for

In an equation for photosynthesis does oxygen belong

on the right side, because it is a product

7 0
4 years ago
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C. If an electron is added to the outer shell, how will this affect the charge and volume of the atom?
Norma-Jean [14]

Answer:

An atom that gains or loses an electron becomes an ion. If it gains a negative electron, it becomes a negative ion. If it loses an electron it becomes a positive ion.

8 0
3 years ago
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A canister of 2.00 moles of helium has a volume of 30.0 L and is at a temperature of 293 Kelvin. what is the pressure of this ga
MAXImum [283]

Answer:

P = 162 KPa

Explanation:

Given data:

Number of moles = 2 mol

Volume of gas = 30.0 L

Temperature of gas = 293 K

Pressure of gas = ?

Solution:

The given problem will be solve by using general gas equation,

PV = nRT

P= Pressure

V = volume

n = number of moles

R = general gas constant = 0.0821 atm.L/ mol.K  

T = temperature in kelvin

P = nRT/V

P = 2 mol ×0.0821 atm.L/ mol.K  ×293 K/ 30.0 L

P = 48.11 atm.L/  30.0 L

P = 1.6 atm

atm to kelvin:

1.6×101 = 162 KPa

5 0
3 years ago
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