Complete each nuclear fission reaction.

235

92

U +

1

0

n →

90

36

Kr +

A

56

Ba + 3

1

0

n

what is A?

What type of cell is the only kind that has centrioles?

At a constant temperature, what will happen to the pressure inside a container of gas if the volume of the container is reduced? a. The pressure will increase. b. The pressure will decrease. c. The pressure will remain constant.

3. The half-life of a radioactive atom is two months. If you start with lg of the element, how much will remain after six months? A. One-half of a gram will remain. B. One-fourth of a gram will remain. C. One-eighth of a gram will remain. D.

What is the total number of atoms in the following formula? CaBr2 04

If water vapor with the mass of 35.0 grams is cooled and condensed into water in a closed system such as a closed glass jar, what is the mass of the water after the water vapor completely condenses?

Projectile motion is an example of what kind of motion

What can change scientific knowledge?

6. What is ductility?

During practice, a baseball player hits a very high fly ball, and then runs in a straight line and catches it. Which had the greatest displacement during the time period from the hitting of the ball to its catching

Why are glass fibers stronger than bulk glass?