If you tripled the volume of your sample of chalk what would happen to the mass

List 3 elements with 6 valence electrons

We create an electron with wavefunction ψ = [ψ1s (r) + 3ψ3s (r) ] / √ 10. Find the expected value hEi of the energy in that state. Use the energies of the hydrogen atom to extract your answer in electron volts.

If the pH of a solution is 5, what is the pOH?

What is quanta (keep it very simple)

What type of science uses the ph scale

2 grams of a substance was dissolved in 75.0 g of water resulting in a temperature decrease from 23.1 ⁰C to 18.7 ⁰C. The specific heat of the solution is 4.18 J/g·⁰C. Calculate the amount of heat associated with the water.

Why do you think the soccer ball fell more slowly than the golf ball

Which of the following is an example of chemistry research in the main area of energy?. a. producing bioplastics. b. specific reactions between prescription drugs and chemicals in cells. c. developing rechargeable batteries. d.

A gas is sealed in a bottle at 25°C and 1.50 atm pressure. How must the storage conditions be changed to bring the gas to Standard Temperature and Pressure (STP) ? A. Increase the temperature by 25°C and decrease the pressure by 0.514 atm. B.

How many moles are in 25.2g of KMnO4?