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vichka [17]
3 years ago
14

If a cylinder holds a volume of 100 cm3, and is 30 cm tall, which is the area of the bottom of the cylinder?

Chemistry
1 answer:
stira [4]3 years ago
4 0
3.33cm squared is the answer
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Question 4
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Answer:

H(aq) + NO3 (aq) + HF(aq)

Explanation:

In the given mixture of HNO3 (Nitric Acid) and HF (hydrofluoric acid) in water  the major species present are H(aq) + NO3 (aq) + HF(aq).

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Hence, the correct answer is "H(aq) + NO3 (aq) + HF(aq)".

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A balloon contains 11.1 g of nitrogen monoxide gas (NO). how many molecules are in the balloon?
grandymaker [24]

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<h3> calculation</h3>

calculate the number of moles of NO

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moles is therefore=  11.1 g/30g/mol= 0.37 moles

by use of Avogadro's constant that is

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                                          0.37 =? molecules

=(6.02 x10^23 x  0.37 moles)/ 1mole=2.227 x10^23 molecules

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What kind of energy is required for photosynthesis to occur?
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Hope this helps!
STSN
5 0
3 years ago
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