What process converts organic matter into carbon dioxide gas?

Most pollutants that enter estuaries break down over time, yet they are still considered a problem because it is a. the volume of the pollutants, more than the time factor, that harms estuaries. b.

Which is the best term to use when describing the energy of motion? chemical kinetic O potential thermal

A chemical reaction occurs that involves combining the following reactants: 4 atoms of nitrogen, 8 atoms of oxygen, 2 atoms of hydrogen After the reaction, how many atoms of each element will there be in the product?

José and Laurel measured the length of a stick's shadow during the day. Without knowing the length of the stick, which of their measurements would you ask José and Laurel to examine more closely?

Acids have a high pH. a. True b. False

What can the student predict if she finds the mass of the whole candy bar, including the wrapper?

A hardware salesman measures the mass of a box containing 1000 washers. The mass is 1.1298kg. What is the mass of a single washer in milligrams? Write your answer as a decimal.

according to the law of conservation of, the number of atoms in the products of a chemical and equation must be balanced with the number of atoms in the reactants

whats the specific heat of an unknown substance if the addition of 800 joules of heat energy caused a 30 gram sample to warm from 20 to 40 degrees celsius?

How much energy (in kj) is required to ionize 2.52 moles of hydrogen atoms?