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expeople1 [14]
3 years ago
8

Where would you expect snow or rain to fall on a mountain

Chemistry
1 answer:
patriot [66]3 years ago
7 0
You would expect snow to fail at the peak or the top because the weather is coldest there.
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When preparing a buret for use in lab the buret must always be cleaned thoroughly prior to being filled with solution what is bu
Elanso [62]
It is rinsed with ionised water to remove any impurities that may be present
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3 years ago
Describe in detail what you know about the enthalpy, entropy, and free energy changes when a sample of gas condenses to a liquid
ycow [4]
The keyword here is gas condenses to a liquid, which mean we're talking about condensation process

The enthalpy energy in condensation process is negative because it releases energy
The entropy in general will also decreases .

Temperature affect this change because it will create free energy if added with this result

hope this helps
8 0
3 years ago
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A chemist weighed out 70.8 g of magnesium. Calculate the number of moles of magnesium she weighed out. Round your answer to sign
solniwko [45]

Answer:

2.91 grams of Magnesium

Explanation:

I put a picture . I used the molar mass of magnesium which can be calculated from the periodic table or simply google it. :) I hope it helps - Enrique

8 0
3 years ago
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Briefly explain in your own words why the bond angle increases as the number of electron groups decreases
tekilochka [14]

Answer:

i) The bond angle decreases due to the presence of lone pairs, which causes more repulsion on the bond pairs and as a result, the bond pairs tend to come closer. ii) The repulsion between electron pairs increases with an increase in electronegativity of the central atom and hence the bond angle increases.

Explanation:

4 0
2 years ago
What volume of a 6.67 M NaCl solution contains 3.12 mol NaCl? L
harkovskaia [24]

Answer:

0.47dm³

Explanation

Given parameters :

Molarity of NaCl = 6.67M

Number of moles = 3.12mol

Volume of NaCl =?

Volume of NaCl = number of moles/Molarity

Volume of NaCl = 3.12mol/6.67M

Volume of NaCl = 0.47dm³

4 0
3 years ago
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