Which value gives the number of particles in 1 mol of a substance?

Asmall amount of a solid is added to water. the observation made after fifteen minutes is shown in the figure. which of these solids has been probably added to water? a) oil b) sand c) sugar d) wood chips

If a simple machine aduces the strength of a force, what must be increased? the speed of the input force the work the simple machine performs the size of the simple machine the distance over which the force is applied

In which region is the substance in both the solid phase and the liquid phase? 1 2. 3 4 mark this and return save and exit next