Consider the following balanced equation: cu + 2agno3 cu(no3)2 + 2ag how many moles of agno3 would be needed to produce 2.8 moles of cu(no3)2?

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.

When an object falls through the air and encounters air resistance its overall speed will be than if it had not encountered air resistance? (one word answer)

When a spring is compressed, the energy changes from kinetic to potential. which best describes what is causing this change?