A substance with a poH of 2 is a:

a. strong base

b. strong acid

c. weak acid

d. weak base

An atom has 17 protons and 18 neutrons. Which symbol represents that atom, including its mass number? 35Cl 33Ar 32Cl 34S

Calculate the energy of a gamma ray photon whose frequency is 5.02*10^20 HZ

What occurs in both fusion and fission reactions? (1) Small amounts of energy are converted into large amounts of matter. (2) Small amounts of matter are converted into large amounts of energy. (3) Heavy nuclei are split into lighter nuclei.

Iron is extracted from iron oxide in the blast furnace. Calculate the maximum theoretical mass of iron that can be made from 100g of iron oxide

What 4 elements did people originally think made up everything?

A noncompetitive inhibitor. binds to the active site of an enzyme a. b. increases the rate of enzyme action alters the primary structure of the enzyme c. d. none of these

True or false? The radioactive wastes produced by nuclear fission remain dnagerous for dozens of years

Determine the number of moles of Krypton contained in a 3.25 liter gas tank at 5.80 atm and 25.5 °C.

In the reaction 2co (g) + o2 (g) â 2co2 (g), what is the ratio of moles of oxygen used to moles of co2 produced? select one:

A log's mass is 5 kg. After burning, the mass of the ash is 1 kg. Explain what may have happened to the other 4 kg of mass.