When a liquid is poured from a tall narrow cylinder into a short, wide beaker, a. its shape changes but its volume stays the same b. its shape changes and its volume expands to fill the beaker c. its shape remains the same but its volume expands to fill the beaker d. its shape and volume remain the same asap

Used the balanced equation 2h2+ o2 - -> 2h2o. if you have 7.2 grams of o2 , how many grams of h2o can you produce ?

If you have 5.25 grams of methane (ch4), how many grams of co2 will you produce ?

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.