What is the element in group 13, period 3?

An 80.0-gram sample of a gas was heated from 25 °C to 225 °C. During this process 346 J of work was done by the system (which was stationary), and its internal energy increased by 7765 J. What is the specific heat capacity of the gas?

Pete is driving down 7th street. He drives 150 meters in 18 seconds what is his speed on meters per second

The froghopper, a tiny insect, is a remarkable jumper. Suppose a colony of the little critters is raised on the Moon, where the acceleration due to gravity is only 1.62 m/s 2, whereas gravity on Earth is g = 9.81 m/s 2.

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

Two students stand poised to leap off a high dive structure into the swimming pool below. Student B is twice as massive as student A. Which of the following is true? A. Student B will reach the ground sooner than student A. B.

Why fan rotates in a clockwise direction and why not in a anti clockwise direction

If the force of gravity increases, which mearsurement will change and how? A.) weight decreases B.) mass increases C.) mass decreases D.) weight increases

A 6.0 kg box slides down an inclined plane that makes an angle of 39° with the horizontal. If the coefficient of kinetic friction is 0.19, what is the magnitude of the acceleration, in m/s2, of the box down the slope?

Identify the following as a suspension or a colloid. sand in water

A cyclist starts at a position of 0 m and takes 3 s to move east to a position of + 8 m. He then cycles west to a position of + 5 m which takes an additional 2 s. What is the cyclist's displacement? a. + 11mb. - 8mc. - 5m d. + 5m