Which of the following is an indicator that a chemical reaction occurred? A precipitate is formed
The state of matter changed
It was melted
The identity of the substance did not change​

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.

Write the overall equation for the reaction for lithium battery

Frictional forces acting on an object are often converted into energy, which causes the temperature of the object to rise slightly.