What is the electron configuration for a calcium atom? 1s2, 2s2, 2p6, 3s2, 3p6, 4s2 1s2, 2s2, 2p6, 3s2, 3p6, 4s1 2s2, 2s2, 2p6, 3s2, 3p6, 4s1 1s1, 2s2, 2p6, 3s2, 3p6, 4s1

What temperature scale do scientists use?

How does solubility differ between small versus large carbohydrates? Explain.

Where are noble gases on the periodic table?

Part a how many milliliters of liquid does the smaller graduated cylinder contain? express your answer in milliliters using the proper number of significant figures.

Why is a saturated NaCl solution an example of an equilibrium system? A. Because of the reversible nature of solidifying and melting B. Because of the reversible nature of crystallizing and dissolving C.

How many elements are in one molecule of Methane? How many elements are in one molecule of Ammonia? How many elements are in one molecule of Vinyl Alcohol? How many elements are in one molecule of Ethylene?

A banana split contains 1.12 million calories. What is the energy value in kilojoules? a. 1.12 kJ b. 4.686 x 10^3 kJ c. 4686 kJ d. 2.68 x 10^5 kJ e. 268 kJ

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.