Ethanol has a heat capacity of 2.46 Jig "C. If 50 g of ethanol has a temperature of 30°C and a piece of hot Copper is added to the ethanol causing the temperature to increase to 70°C. What is the amount of heat absorbed by the ethanol?

A.)-49203
B.)49203

C.)3690
D.)3690 J

Which statement describes the appearance of a temperature-vs.-time graph? a horizontal line shows that the temperature increases at a constant rate over time. a vertical line shows that the temperature decreases at a constant rate over time. horizontal lines where the temperature is constant during phase changes connect upward-sloping lines where the temperature increases. horizontal lines where the temperature increases are connected by upward-sloping lines where the temperature is constant for each phase.

In a sample of oxygen gas at room temperature, the average kinetic energy of all the balls stays constant. which postulate of kinetic molecular theory best explains how this is possible?

You have 125g of a certain seasoning and are told that it contains 76.0 g of salt what is the percentage of salt by mass in this seasoning