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Lorico [155]
2 years ago
15

What are 2 factors that impact the flow of energy into and out of earths systems

Chemistry
1 answer:
Andre45 [30]2 years ago
6 0

Answer:

Solar energy causes evaporation; uneven heating of the Earth causes air masses to move; Coriolis forces help storms to take shape; and gravity makes rivers flow downhill. Another relevant factor is the high heat capacity (or specific heat) of water.

Explanation:

hoped this helped;)

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Hard water often contains dissolved Mg2+and Ca2+ions. Water softeners often use sodium carbonate to soften the water. Sodium car
Dvinal [7]

Answer:

32.5g of sodium carbonate

Explanation:

Reaction of sodium carbonate (Na₂CO₃) with Mg²⁺ and Ca²⁺ as follows:

Na₂CO₃(aq) + Ca²⁺(aq) → CaCO₃(s)

Na₂CO₃(aq) + Mg²⁺(aq) → MgCO₃(s)

<em>1 mole of carbonate reacts per mole of the cations.</em>

<em />

To know the mass of sodium carbonate we must know the moles of carbonate we need to add based on the moles of the cations:

<em>Moles Mg²⁺:</em>

2.91L * (0.0661 moles MgCl₂ / 1L) = 0.192 moles MgCl₂ = Moles Mg²⁺

<em>Moles Ca²⁺:</em>

2.91L * (0.0396mol Ca(NO₃)₂ / 1L) = 0.115 moles Ca(NO₃)₂ = Moles Ca²⁺

That means moles of sodium carbonate you must add are:

0.192 moles + 0.115 moles = 0.307 moles sodium carbonate.

In grams (Using molar mass Na₂CO₃ = 105.99g/mol):

0.307 moles Na₂CO₃ * (105.99g / mol) =

<h3>32.5g of sodium carbonate</h3>
3 0
3 years ago
Which of the following sets of characteristics describe what we know about the inner planets?
Triss [41]

The sets of characteristics describe what we know about the inner planets is that have rocky surfaces, no rings, and few or no moons. The answer is letter C. Also, they are smaller in sizes compared to the outer planets. The rest of the choices are characteristics of the outer planets.

6 0
3 years ago
Read 2 more answers
To what temperature must a balloon, initially at 25°c and 2.00 l, be heated in order to have a volume of 6.00 l?
Kaylis [27]
V1 = 2.00 L 
<span>T1 = 25 + 273 = 298 K </span>
<span>V2 = 6.00 L </span>
<span>T2 = ? </span>
<span>Assuming the pressure is to remain constant, then </span>
<span>V1/T1 = V2/T2 </span>
<span>T2 = T1V2/V1 = (298)(6)/(2) = 894 deg K</span>
6 0
3 years ago
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What does nitrogen do to the soil
Tresset [83]

Answer:The chemical element will always get converted during the cycle as it enters different ecosystems. Nitrogen plays an important role as a nutrient in soils. It is needed for photosynthesis in plants. Nitrogen helps decomposers such as bacteria, worms

Explanation:

3 0
3 years ago
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Which of the following contribute(s) to most of the mass of an atom?
xenn [34]

Answer:

1.

B) protons and newtrons

2.

D)

3.

C)

4.

A)

6 0
3 years ago
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