The movement of food energy from one organism to another is called a ...

What is the difference between a strong acid and a weak acid? A strong acid has a higher pH than a weak acid. A strong acid is 100% ionized; a weak acid is less than 100% ionized. A strong acid is diprotic or triprotic; a weak acid is monoprotic.

Cavendish prepared hydrogen in 1766 by the novel method of passing steam through a red-hot gun barrel: 4H2O (g) + 3Fe (s) ⟶Fe3O4 (s) + 4H2 (g) 4H2O (g) + 3Fe (s) ⟶Fe3O4 (s) + 4H2 (g)

How many moles are contained in a 4.67-l sample of gas at 30°c and 199 kpa?

How many atom are in 3 moles of Ca (OH) 2

What will happen to the pressure inside a container of gas if some of the gas is allowed to escape? Select one: a. there will be no effect on the pressure b. The pressure will increase c. the effect is impossible to determine d.

What type of mixture is 100 ml of water with a little bit of salt?

Which statement explains why meiosis haploid cells rather than diploid cells

Which factors can affect the amount of coco mix that can be dissolved in water? Check all that apply

If 25% of a radioactive element remains after 1,000 years, what is the half-life?

How many valence electrons do the alkaline-earth elements have? a. 1 b. 2 c. 7 d. 8