Suppose a bag full of ice is pulled out of the freezer (450 g) at -8 ˚C sits on the counter and begins to heat up to 0°C. How much energy must be absorbed by the ice? If you give the right answer I would Brainest please!

In the millikan oil drop experiment they determined that every drop had a charge which was a while number multiple of -1.60x10^-19. if a drop has a total charge of -9.60x10^-19 then how many excess electrons are contained within the drop?

In the reaction between a crushed antacid tablet and vinegar what gas is emitted

What is the empirical formula of c6h18o3? ch3o c2h5o c2h6o c2h5o5