8. Which describes the reaction of a substance to form one or more new

substances

A a chemical change

B a physical change

C a change of state

Which is a characteristic of nuclear fusion?

How many moles of cobalt atoms are there in 6.00x10^9 Co atoms?

Where would you find the element with the least mass in the periodic table? A. Period 1, group 18 B. Period 7, group 1 C. Period 3, group 2 D. Period 1, group 1

How might cancer of testes affect a man's ability to make sperm

Solids like silver chloride (AgCl) dissolve in water according to the temperature and solubility (g/L or mg/L). If the solubility of AgCl at 25 °C is 2.5 g AgCl (s) in 1.3 x 103 L of water, what mass (in milligrams) of AgCl will dissolve in 1.

What happens when the threat of exposure to dirty air is reduced in a community? There is enough oxygen available for people's lungs to function normally The amount of indoor air pollutants released during a fossil fuel burn decreases There is a

Is chicken noodle soup an element, a compound, a homogeneous mixture, or a heterogeneous mixture?

How is the amount of sunlight affect the makeup of an ecosystem

How many moles are in 65 g of carbon dioxide (CO2) ?

kilograms represented by the mass defect for thorium - 234=3.09x 10-27 kg what is the nuclear binding energy for thorium - 234