Answer to Question #309674 in Chemistry for mcc

Question

When work is accomplished on the system, it _________

a. gains work and energy is denoted as positive.

b. gains energy and work is denoted as positive.

c. gains work and energy is denoted as zero.

d. gains energy and work is denoted as negative.

A calorimeter is an____________________.

a. apparatus that has water or any liquid with unknown heat capacity.

b. insulated coffee cup that that transfers an immense amount of heat.

c. excellent insulator that works without a thermometer.

d. insulated apparatus that contains water or any liquid of known heat capacity.

The study of energy and heat flow that goes with a chemical reaction and physical transformation.

a. Thermodynamics

b. Enthalpy

c. Conservation of Energy

d. Thermochemistry

Answer 1

1.b. gains energy and work is denoted as positive.

2.d. insulated apparatus that contains water or any liquid of known heat capacity.

3.d. Thermochemistry