When 500 ml of 0.100 magno3 is combined with 500 ml of hcl in a coffee-cup calorimeter, the temperature changes from 23.40 ∘c to 24.21 ∘c. calculate δhrxn for the reaction as written. use 1.00 g/ml as the density of the solution and c=4.18j/(g⋅∘c) as the specific heat capacity.

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.

50 pts plz what is the physical state of matter of baking soda.

Table sugar completely dissolved in water is an example of a?