A car accelerates from 15 m/s to 25 m/s in 15 s. What is the car's acceleration?

The mass of a substance is independent of the amount of the substance, while density depends on the amount of the substance.

If a chemical reaction uses up energy the reaction is

Which chemical equation is balanced? 2PCl5 + 2H2O → 2HCl + H3PO4 PCl5 + H2O → HCl + H3PO4 PCl5 + 3H2O → 5HCl + H3PO4 PCl5 + 4H2O → 5HCl + H3PO4

Autotrophic plants do not require

You have been hired as a chemist. Your first task at your new job is to examine a newly discovered atom. The paperwork you are given states that its atomic number is 110. What does this mean? A. The atom contains 55 electrons B.

What does a three letter chemical symbol mean

When 21.6 g of carbon were burned in the presence of 73.7 g of oxygen, 16.1 g of oxygen remained unreacted. What mass of carbon dioxide was produced?

How do you go from 2 mol of co2 to _ mol of c

What happens to the conductivity of water when an acid is dissolved in it?

How many gallons in 2 L bottle