Which change absorbs heat? O A. Using a laptop computer
O B. Condensing steam
O C. Firing a rifle
O D. Frying an egg

Naoki's bicycle has a mass of 10 kg. if naoki sits on her bicycle and starts pedaling with a force of 168 n, causing an acceleration of 2.8 m/s2, what is naoki's mass?

Fill in the coefficients that will balance the following reaction: a0cr2(so4)3 + a1agno3 -> a2cr(no3)3 + a3ag2so4

What are the major types of a chemical compound