An empirical formula is a molecular formula a. without coefficients b. without subscripts c. in scientific notation d. reduced to the ratio of atoms involved e. none of the above

A50.0g sample of liquid water at 0.0 c ends up as ice at -20.0 c. how much energy is involved in this change?

Define a is a tiny pavket of energy

An animal cell loses the ability to convert energy stored in food to energy that the cell can use. which of the cell's organelles has stopped working? a.the mitochondria b.the nucleus c.the vacuoles d.the endoplasmic reticulum