In the formula XF2, the element represented by X can be classified as a (1) Group 1 metal (2) Group 2 metal (3) Group 1 nonmetal (4) Group 2 nonmetal

1) How much volume would 2.00 moles of gas take up, under standard temperature and pressure conditions? 11.2 L 22.4 L 33.6 L 44.

What does it tell you if it is a ph of 7?

You have 200 g of a substance with a molar mass of 150 g/mol. How many moles of the substance do you have? 0.75 mol 1.00 mol 1.33 mol 1.50 mol

What is the energy content in joules of a 1.28g sample of oatmeal that raises the temperature of 1.50 kg of water in a calorimeter from 25.0 C to 27 C

A student dissolved 5.00 g of Co (NO3) 2 in enough water to make 100. mL of stock solution. He took 4.00 mL of the stock solution and then diluted it with water to give 275. mL of a final solution.

Is Fe a element or a compound? Is Aluminum a element or a compound? Is HCI a element or a compound? Is Hydrogen Peroxide element or a compound? Is H2 element or a compound? Is NaOH element or a compound?

Which of the following chemical reactions is an oxidation-reduction reaction? Answer WO3 + 3H2 W + 3H2O KNO3 + LiCl LiNO3 + KCl CaSO4 + 2NaCl Na2SO4 + CaCl2 Mg (NO3) 2 + 2HBr MgBr2 + 2HNO3 According to the collision theory and model created to

Which statements describes h20 (l) and h2o2 (l) A) both are mixtures that have different properties B) both are mixtures that have the same properties C) both are compounds that have different properties D) both are compounds that have the same

5.00 g of magnesium represents how many moles?

Enter your answer in the provided box. how many degrees of unsaturation are present in c7h8o?