need help with chem hw
Calculate the volume of a 4.50 kg piece of copper. (Density of copper = 8.96 g/mL) 40.3 mL 0.502 mL 502 mL 40300 mL None of the above.
What are the products in the net ionic chemical equation for the reaction of acetic acid and potassium hydroxide? (Select all that apply.) K+ (aq) C2H3024- (aq) KC2H2O2 (aq) H2010)
6.00 g of aluminum reacts with an excess of oxygen gas. How many grams of aluminum oxide (101.96 g/mol) are produced? (Assume 100% yield.) 4 Al(s) + 3 O2(g) → 2 Al2O3(s) 22.7 g 0.222 g 45.38 11.3 g None of the above.
need help with chem hw
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