3 years ago

Which resource produces the cleanest energy? coal gasoline oil wind

Chemistry

2 answers:

Alja [10]3 years ago

8 0

Answer: Wild is the cleanest one

stealth61 [152]3 years ago

4 0

Answer:

wind

Explanation:

wind is a natural and renewable resource

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How many grams are in 1.6 moles of potassium bromide?

slava [35]

Answer:

190.4g

Explanation:

1.6mol of KBr (119.002g KBr/1 mol) = 190.4g

since you want to find grams, take the molar mass of KBr (119.002) per 1 mol and use it as your conversion factor (119.002g KBr/1 mol) which will then cancel out mols and leave you with grams.

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4 years ago

Calculate the number of molecules in 6.7 moles of AlCl3

Greeley [361]

According to the Avogadro’s law I mole of any substance contains = 6.023 x 1023

Number of molecules in one mole= 6.023 x 1023

Therefore number of molecules in 6.7 moles of AlCl3:

6.023x1023 molecules /1.0 mole * 6.7 mole

= 40.3541 x 1023 molecules

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4 years ago

an unknown volume of gas has a pressure of 0.50 atm and temperature of 325k. if the pressure is raised to 1.2atm and the tempera

postnew [5]

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