12/17/20

658.9 J of heat was added to 15.05 g of water. The final temperature of the water was 57.8 C. What was the initial temperature of the water?
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12/15/20

Andre has $12.30 in pennies, nickles, dimes, and quarters. If he has the same number of each coin, how many of each does he have?
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10/16/20

Write Balanced Chemical Equations for the Following (including ALL physical states)
10. When heated, solid lithium chlorate decomposes to produce solid lithium chloride and oxygen gas. 11. When solid silicon dioxide is added to hydrofluoric acid, gaseous silicon tetrafluoride and... more
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