1. What is the difference between a molecular formula,

structural formula and an electron dot formula?

Which of these statements is true about heat. 1. Heat always flows from cooler to warmer substances. 2. Heat doesn't flow between substances. 3. Heat always flows from warmer to cooler substances. 4.

How many protons and neutrons are in 35^Cl?

Which of these is formed during a metabolic reaction of cellular respiration

An ice cube is placed in a warm drink. Which statement correctly describes the energy involved in the system? Heat is transferred from the drink to the ice cube. o Heat is transferred from the ice cube to the drink.

The atomic mass of 13C is 13.003355. Multiply the atomic mass of 13C by its abundance. Report the number to 8 significant digits.

Substance that undergoes a change in a chemical reaction is a. a product c. a reactant. b. a chemical. d. an enzyme.

List the number of protons, neutrons, and electrons in Iodine-127. (atomic number is 53)

At approximately what temperature will 40g of argon gas at 2 atm occupy a volume of 22.4L a) 600K b) 550K c) 270K d) 140K

Why does light that passes through our windows at home not display the beautiful colors

What three relationships are true at equilibrium