Calculate the work when moles of hydrogen gas are produced
Calculate the work (in kJ) when 3.00 moles of hydrogen gas are produced from the reaction of sodium in excess water at 298 K:
2Na(s) + 2H2O(l) → 2NaOH(aq) + H2(g)
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The jewelry contains only gold and silver, which have densities of 19.3 g/cm3 and 10.5 g/cm3, respectively. If the total volume of the jewelry is the sum of the volumes of the gold and silver that it contains, calculate the percentage of gold (by
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What volume of hydrogen gas (measured at STP) would result from reacting 75.0g of sodium hydroxide with 50.0g of aluminum?
What is the impedance of a resistor R in parallel with a series combination of a capacitor C and an inductor L? Assume angular frequency omega(w).
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