The weight of an object is different on each planet because . 1.each planet is a different distance from the sun

2.each planet has a different force of gravity

3.mass of the object changes on each planet

4.mass changes with location

How many molecules are found in 1.32 mol of nacl?

If you burn 10 kilograms of wood in a fire (combustion) what is the weight of the products after the fire has finished burning the wood?

The characteristic of two different types of reactions are shown below. reaction a: electrons are gained by the atoms of an element. reaction b: protons are lost by the atom of and element. which statement is true about the atoms of the elements that participate in the two reactions? a: their identity changes in both reaction a and b. b: their identity changes in reaction a but not b. c: their identity changes in reaction b but not a. d: their identity remains the same.