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3 years ago

How does water get back into the atmosphere

1 answer:

3 0

Water gets back into the atmosphere because of the water cycle. The water cycle includes evaporation, precipitation and more. water from the ocean evaporates due to the sun and then precipatates as rain.

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Identify and describe the appearance of the type of muscle tissue found in your heart

Masja [62]

Cardiac muscles are found only in the heart and are also striated. Smooth muscles ... Identify and describe the appearance of the type of muscle tissue found in your heart<span>.</span>

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3 years ago

Fill in the blanks: when an atom absorbs energy, the electrons move from their _________________ state to an _________________ s

Lorico [155]

<span>Fill in the blanks: when an atom absorbs energy, the electrons move from their (ground) state to an (excited) state. when an atom emits energy, the electrons move from a(n) (excited) state to their (ground) state and give off (energy)</span>

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3 years ago

What causes the force that pushes magma from the magma chamber through the pipe and vent of a volcano?

tatuchka [14]

the force that pushes magma from the magma chamber through the pipe and vent of a volcano is expanding gases.

Hope this helps you succeed. :D

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3 years ago

Read 2 more answers

The fact that water requires a large amount of energy before its temperature changes is the result of

dolphi86 [110]

The appropriate answer is d. the high specific heat capacity of water. This unique quality of water makes it suitable as an organic solvent. Specific heat capacity is the energy required to change one gram of a substance by one degree. Organic processes need to be carried out at a specific temperature. The high specific heat capacity of water ensures that environmental changes in temperature.

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3 years ago

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Look at this balanced chemical reaction: N2 + 3H2 2NH3

stepladder [879]

Answer: A mass of 124457.96 g ammonia is produced by reacting a 450 L sample of nitrogen gas at a temperature of 450 K and a pressure of 300 atm.

Explanation:

Given: Volume = 450 L

Temperature = 450 K

Pressure = 300 atm

Using ideal gas equation, moles of nitrogen are calculated as follows.

PV = nRT

where,

P = pressure

V = volume

n = no. of moles

R = gas constant = 0.0821 L atm/mol K

T = tempertaure

Substitute values into the above formula as follows.

$PV = nRT\\300 atm \times 450 L = n \times 0.0821 L atm/mol K \times 450 K\\n = \frac{135000}{36.945}\\= 3654.08 mol$

According to the given equation, 1 mole of nitrogen forms 2 moles of ammonia. So, moles of ammonia formed by 3654.08 moles of nitrogen is as follows.

$2 \times 3654.08 mol\\= 7308.16 mol$

As moles is the mass of substance divided by its molar mass. So, mass of ammonia (molar mass = 17.03 g/mol) is as follows.

$Moles = \frac{mass}{molar mass}\\7308.16 = \frac{mass}{17.03 g/mol}\\mass = 124457.96 g$

Thus, we can conclude that a mass of 124457.96 g ammonia is produced by reacting a 450 L sample of nitrogen gas at a temperature of 450 K and a pressure of 300 atm.

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3 years ago