What volume of 2 moldm-3 nitric acid will react with 10 g of calcium carbonate (Mr= 100)? The equation for the reaction is: CaCO3 (s) + 2HNO3 (aq) > Ca(NO3)2 (aq) + H2O (l) + CO2 (g)​

City a and city b had two different temperatures on a particular day. on that day, four times the temperature of city a was 8â° c more than 3 times the temperature of city b. the temperature of city a minus twice the temperature of city b was â’3â° c. what was the temperature of city a and city b on that day? city a was 5â° c, and city b was 4â° c. city a was 3â° c, and city b was â’1â° c. city a was 8â° c, and city b was â’3â° c. city a was 5â° c, and city b was â’5â° c.

Water (2510 g ) is heated until it just begins to boil. if the water absorbs 5.09×105 j of heat in the process, what was the initial temperature of the water?

Melissa is interested in her family tree and how her family has changed over its many generations. melissa probably more closely resembles