a student determines. 8.2 mg of oxygen is dissolved in a 1000 gram sample of water at 15° Celsius what type of solution is the sample

Tritium is an isotope of hydrogen (H) that has: A. 1 proton and 0 neutrons B. 2 protons and 1 neutron C. 1 proton and 2 neutrons D. 1 proton and 1 neutron

Which layer of Earth is the densest and why is that so? A. The outer core is densest due to gravitational compression. B. The outer core is densest due to generation of radiogenic heat. C. The outer core is densest due to accretion. D.

Identify the principal role of cellular respiration. to convert solar energy into the chemical energy of sugars to convert the chemical energy of sugars into heat to maintain an elevated body temperature to convert kinetic energy into the chemical

How many carbon atoms are there in 2 molecules of CCI

In chemistry, what is the definition of the term salt? a compound consisting of an anion from an acid and a cation from a base a compound that ionizes in water to form a neutral solution a compound that receives hydrogen ions in an acid-base

Which metals are attracted to electromagnets? Check all that apply. -aluminum -cobalt -iron -copper -nickel

What is the density of an object having a mass of 8.0g and a volume of 25cm3

Calculate the [h+] in a solution that has a ph of 9.88.

Substance M is a blue, brittle solid. Substance N is a colorless, flammable gas. What can we predict about the compound created when M and N form a covalent bond?

A 275-mL f lask contains pure helium at a pressure of 752 torr. A second f lask with a volume of 475 mL contains pure argon at a pressure of 722 torr.