When may a scientist change a hypothesis

A system dissipates 12 J of heat into the surroundings; meanwhile, 28 J of work is done on the system.

If we mechanically expand a gas into a larger volume, while keeping the temperature constant, what happens to the pressure? A. The pressure increases, and we can precisely predict by how much. B. The pressure remains unchanged. C.

6. If Mr. Q is drinking four (12-oz) cans of beer each day in addition to his normal food intake, how much weight will he gain in 6 months (180 days) ? Assume that 3,500 kcalories consumed in excess leads to one lb of fat gain.

Compound name for rb3n

If x=3 mg and y = 9 kg then y = ? a. 3 * 10^5 b. 3 * 10^3 c. 3 * 10^ 6 d. y = 3*10^9

HIV can be spread from one person to another through sex, contact with infected blood, or from a mother to her baby. A. True B. False

When a certain spring is expanded 6 centimeters from its natural position and held fixed, the force necessary to hold it is 1200 dynes. Find the work W required to stretch the spring an additional 6 centimeters

Suppose that you want to test the effects of different dishwashing detergents on dishes that have food stuck to them. To test the differences, you wa sh three loads of the same dishes, each with a different type of detergent, a ll in warm water.

How many days does it take for the moon to orbit the earth

Name 3 potential sources of heat ignition that can be found in a care home