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Which group of elements have some properties of metals and some properties of nonmetals?
1 answer:
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Answer: The number of moles of laundry detergent used is, 2.83 moles.
Explanation : Given,
Mass of = 300 g
Molar mass of = 106 g/mol
Formula used :
Now put all the given values in this formula, we get:
Therefore, the number of moles of laundry detergent used is, 2.83 moles.
Answer: ΔH°f of gaseous nitrogen monoxide is 148.0 kJ/mol
Explanation:
The balanced chemical reaction is,
The expression for enthalpy change is,
where,
n = number of moles
(as heat of formation of substances in their standard state is zero
Now put all the given values in this expression, we get
Therefore, ΔH°f of gaseous nitrogen monoxide is 148.0 kJ/mol