If the broccoli you ate with dinner last night had 1.3 moles of nitrogen atoms, how many

Chemistry

1 answer:

Finger [1]3 years ago

8 0

Answer: 18.208710000000032

Explanation:

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Which coefficients correctly balance the formula equation cao + h2o ® ca(oh)2?

djverab [1.8K]

CaO + H2O → Ca(OH)2

the number of O atom on the left side is 1 and on the right side 2 so,

we put 2H2O instead of H2O

CaO + 2H2O → Ca(OH)2

now we have to put 2Ca(OH)2 instead of Ca(OH)2 to make H atoms equal on both sides 4

CaO + 2H2O → 2Ca(OH)2

now we have to put 2CaO instead of CaO to make Ca atoms equal on both sides 2 atoms.

∴ the final balanced equation is:

2CaO + 2H2O → 2 Ca(OH)2

∴ the coefficients are 2 2 2

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3 years ago

On the pH scale, a solution with a pH of 7 would be classified as which of the following? A weak acid, weak base, neutral, or pu

oee [108]

It would be neutral.

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3 years ago

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At what temperature (in °C) would one liter of phosphine gas, PH3, have a mass of 1.725 g, if the gas pressure is 0.9910 atm? As

Nutka1998 [239]

Answer: Temperature of one liter of phosphine gas with a mass of 1.725 g and gas pressure of 0.9910 atm is $-36^0C$