Which property of the water cycle makes it a good illustration of the conservation of matter?

How many moles of NaCl are present in 530 ml of a 1.52m NaCl solution

how many energy levels (shells) does an atom of oxygen have? How do you know this by looking at the periodic table?

Calcium and sulfur ionic compound or non ionic?

Ex1. how many moles correspond to 250 g of each of the following compounds? a. NaCl b. KNO, c. H, 0, d. KHSO, Ex2. Calculate how many particles are contained in: a. 1.5 g of potassium, K b. 0.470 g of oxygen, 0, c. 0.

When a 3.80 g sample of magnesium nitride (MW 101g/mol) is reacted with 3.30 g of water, 3.60 g of MgO is formed. What is the percent yield of this reaction? Mg3N2 + 3 H2O - - > 2 NH3 + 3 MgO

Why isn't ice core data used to measure current levels of CO2 in our atmosphere?

What cells in living organisms are diploid?

Stacy runs a paper chromatography experiment using the same ink, but two different solvents. Using solvent A results in the ink separating into three bands, but solvent B does not carry the ink away from the original spot.

Which type of orbitals overlap to form the sigma bond between c and cl in ch3cl?

What is the factored form of the expression? 4x2 - 81y2 A. (2x + 9) (2x - 9) B. (2x + 9y) (2x - 9y) C. (2x + 9y) 2 D. (2x - 9y) 2 Factor the polynomial. 54c3d4 + 9c4d2 A. 9c3d2 (d2 + 6c) B. 9c3d2 (6d2 + c. C. 9c4d2 (d2 + 6) D. 9c4d2 (6d2 + 1)