Use the periodic table to determine the electron configuration for Cl and Y in noble-gas notation. Y: [Xe]5s25d1 [Kr]5s24d1 [Kr]5s24d2 [Ar]4s23d104p65s25d1

If you react 300 molecules of hydrogen and 200 molecules of oxygen, how many oxygen molecules will you have that do not engage in the reaction

Weak electrolytes do not conduct electricity well. Which of the following best describes why? A. Weak electrolytes never ionize or dissociate in solution. B. Weak electrolytes completely dissociate their solute in solution. C.

What are the three physical properties of gases

How much would you need to weigh out in order to have 0.2moles of magnesium atoms?

The reaction for the combustion of octane (C8H18) is given in this reaction: 2C8H18 + 25O2 → 16CO2 + 18H2O How many grams of H2O are produced if 228 grams of octane are burned? 181 grams 228 grams 81 grams 324 grams

4 HCI + O2 - > 2 H2O + 2 CH2 How many moles of H2O can be produced from 30. moles of HCI?

How many molecules of nitrogen gas are in 22.4 L? A. 6.022 * 10^22 B. 6.022 * 10^23 C. 6.022 * 10^24 D. 6.022 * 10^25

What is the pH of a 0.0025M HCI solution?

Moles of Zn (NO3) 2 in 131.50g of this substance.

Each degree on the Kelvin scale equals: 1°C 10°C no relationship (different scale) 100°C