(Answer) 0.166 moles of copper (I) nitride are needed.
Mass of copper (I) oxide = 35.7 g
Moles of copper (I) oxide formed by the reaction = (Mass / molar mass)
= ( 35.7 g / 143.09 g/mol ) = 0.25 moles
According to the balanced chemical equation,
mole ratio of copper (I) nitride and copper (I) oxide = 2: 3
Therefore, moles of copper (I) nitride needed to form 0.25 moles of copper (I) oxide = (2/3 x 0.25) moles = 0.166 moles.
Thus, 0.166 moles of copper (I) nitride are needed to form 0.25 moles of copper (I) oxide.
Answer:
67692.31 J
396811.337 J
Explanation:
(a) The cost of standard cubic foot of natural gas = $16.25
The energy related to standard cubic foot of natural gas = 
Thus, As according to the question,
$16.25 of natural gas have
of energy.
$1 of natural gas have
of energy.
<u>The amount of energy = 67692.31 J</u>
(b) The cost of one short ton of coal = $56.45
The energy related to the short ton of coal = 
Thus, As according to the question,
$56.45 of coal have
of energy.
$1 of coal have
of energy.
<u>The amount of energy = 396811.337 J</u>
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Are you trying to find density? if so divide 108g by 12cm3 which is 9g/cm3
They are both related to thermal energy.
Heat is just another word for thermal energy... or the excited state of atoms in a body of mass.
Temperature is a way to measure this heat.