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olga_2 [115]
3 years ago
10

Determine the Concentration of the Unknown Strong Acid

Chemistry
1 answer:
Natasha2012 [34]3 years ago
3 0
Hey baby I know it’s late but I wanted to say how are u doing
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When water is solid, do molecules move?
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Answer:

Ice is water in its solid form. Ice keeps its shape, even if it's removed from the container. The molecules in ice are locked into place and cannot move or slide past one another, but they do vibrate a little bit.

Explanation:

As the temperature drops or decreases, the water molecules gradually slow down. Eventually they stop moving and simply vibrate back and forth. At this point ice is formed, the solid phase of water. If the temperature is allowed to increase, the molecules will once again begin to vibrate faster and faster.

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Which of the following is not a redox reaction?
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D. it's a displacement reaction

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Imagine snow on top of a mountain. Describe at least two ways energy could be transferred as the seasons change?
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What volume will 3.0 moles of O2 gas occupy at S.T.P?
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2 years ago
You have 54.32 grams of PbCl4. How many moles of PbCl4 do you have?
Dima020 [189]

Answer:

0.156mol

Explanation:

Number of moles of a substance can be calculated from its mass by dividing its mass by molar mass i.e.

Number of moles (n) = mass/molar mass

Molar mass of PbCl4 is as follows, where Pb = 207.2g/mol, Cl = 35.5g/lol

PbCl4 = 207.2 + 35.5(4)

= 207.2 + 142

= 349.2g/mol

Using: mole = mass/molar mass

mole = 54.32 grams ÷ 349.2g/mol

mole = 0.1555

mole = 0.156mol

6 0
2 years ago
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