A gas is confined in a cylinder with a piston. What happens when work is done on the gas?

Which of these statements is not true about chemical reaction rates

A box at rest on a ramp is in equilibrium, as shown. What is the force of static friction acting on the box? Round your answer to the nearest whole number.

Suppose a cars momentum is calculated to be 36000 kg• km / hr the mass of the car is 1500 kg what is the magnitude of the velocity of the car? A) 24 km/hr B) 0.042 km/hr C) 37,500 km/hr D) 34,500 km/hr

A kangaroo can jump over an object 2.50 m high. (a) Considering just its vertical motion, calculate its vertical speed when it leaves the ground. (b) How long a time is it in the air?

Andre listed some properties of electromagnetic waves. 1) transfer thermal energy by radiation 2) can transfer energy over great distances 3) need matter to transfer energy through 4) are disturbances that carry energy Which best describes Andre's

What type of energy comes from the food that we eat?

Which of the following are vector quantities? check all that apply. a. time b. displacement c. force d. mass

Imagine you are on a bus with a helium balloon tied on a string tied to the seat in front of you. the bus stops short to avoid running over a rabbit and you are thrown forward. what happens to the balloon in relation to the bus? 1. the balloon pops.

Give one reason why the density of iron is higher than the density of oxygen

In which region of the periodic table do the elements NOT normally react chemically with other elements? A. metals B. metalloids C. nonmetals D. noble gases