Which of the following compounds is primarily covalent?

A.) Potassium chloride, KCL

B.) Methane, CH4

C.) Sodium bromide, NaBr

D.) Lithium oxide. Li2O

Compare and contrast the electrical properties of salts metals and acids

How many atoms are in 36.1 g of boron

A scuba diver with a local Sheriff's office has been assigned the task of retrieving a sunken vessel in the Ocean. The vessel is believed to have human remains inside.

List the following units in order from largest to smallest: m3, mL, cL, uL, L, dL?

How many grams of C3H8 would be needed to produce 6.39 grams of CO2?

What is the H3O + ion concentration of a solution that has an OH - ion concentration of 1.0 * 10^-3M? A) 1.0 * 10^-3M B) 1.0 * 10^-7M C) 1.0 * 10^-11M D) 1.0 * 10^-14M

Given the following chemical reaction: 2 O2 + CH4 CO2 + 2 H2O In the reaction of 6 moles of CH4 with excess oxygen, how many moles of water could be produced? 6 C 12.01 Carbon 1 H 1.01 Hydrogen 8 O 16.00 Oxygen A. 4 B. 6 C. 8 D. 12

Most mutagens have what kind of an effect on an organism?

According to the hess's law, the enthalpy of solution is: δhsoln = δhsolute + δhsolvent + δhmix. considering dissolving a small drop of nonpolar pentane oil in water which term (s) in the equation will experience the largest enthalpy change.

Solve for x: ln x = 0.863. Report your answer to 3 significant figures.