Examlex
The action of some commercial drain cleaners is based on the following reaction:
2 NaOH(s) + 2 Al(s) + 6 H2O(l) → 2 NaAl(OH) 4(s) + 3 H2(g)
What is the volume of H2 gas formed at STP when 6.32 g of Al reacts with excess NaOH?
Q7: Choose the reaction that illustrates ΔH°<sub>f</sub> for
Q11: A sample of 0.200 moles of nitrogen
Q21: Which of the following should have the
Q27: The boiling point elevation of an aqueous
Q30: Which of the following compounds is insoluble
Q54: A particular first-order reaction has a rate
Q131: A solution is prepared by dissolving 1.928
Q138: The vapor pressure of a solution is
Q139: Based on the balanced chemical equation shown
Q145: Hydrogen iodide decomposes at 800 K via