2.3 moles of Helium gas are at a pressure of 1.70 atm, and the temperature is 41°C. What is the volume of the gas?

Which radioisotope is used to date fossils? a. oxygen-16 b. carbon-14 c. uranium-238 d. carbon-12

Astable atom that has a large nucleus most likely contains 1. more neutrons than protons. 2.more protons than neutrons. 3.equal numbers of protons and neutrons. 4.changing numbers of protons and neutrons.

If 950 joules of heat are needed to increase the temperature of 45.6 grams of an unknown metal from 25.0 celsius to 90.0 celsius, what is the specific heat capacity of the metal in j/g celsius