36) Which pair represents two forms of an element in the same phase at STP but with different structures and different properties? A) I2 (s) and I2 (g) B) O2 (g) and O3 (g) C) H2 (g) and Hg (g) D) H2 (s) and H2O ()

Abbrevation of mass in the si unit

Which of the units is NOT a measure of pressure?

Which of these products is made from an animal product? A. A sisal rug B. A silk shirt C. A linen jacket D. Cotton jeans

N2 + 3H2 → 2NH3 What volume of ammonia at STP is produced if 30.0 g of nitrogen gas is reacted with an excess of hydrogen gas?

Which statement would be true about a water molecule if it had a linear shape? It would contain ionic bonds. It would have improved special properties. It would easily bond with other water molecules. It would be a nonpolar molecule.

Which of the following prefixes means seven

Which of the solutions below is a weak electrolyte? nacl (aq) koh (aq) hcl (aq) h2so3 (aq) all of these?

What is the gram formula mass of Ca (OH) 2

How much heat is absorbed by a 37g iron skillet when its temperature rises from 8oC to 24oC?

What chemical reaction occurs when an acid reacts with a base