Which contributes to the polarity of a water molecule?

B. deflection of hydrogen atoms by lone pairs of electrons

C. no difference in the electronegativity of oxygen and hydrogen

What must be satisfied for a hypothesis to be useful

The state of matter is an example of a (n) __ property of matter

Which of the following do you think use plasma? welding rocket engines computer chips surgery chemical analysis ozone generation

Calculate the molar mass of al2 (cro4) 3

Explain your reasoning for your formula prediction for Ba+2 and S-2

A chemist determined by measurements that. 040 moles of gold participated in a chemical reaction. calculate the mass of gold that participated in the chemical reaction. round your answer to significant digits.

10) A screwdriver has the density of 5.5 grams per cubic centimeter. It also has the mass of 2.3 grams. What is the screwdriver's volume?

A chemist weighed out 20.7 g of sodium. Calculate the number of moles of sodium she weighed out

If 1.00 mol of argon is placed in a 0.500-L container at 20.0 ∘C, what is the difference between the ideal pressure (as predicted by the ideal gas law) and the real pressure (as predicted by the van der Waals equation) ? For argon, a=1.

Part 2: Finding Speed and Height Using Energy Directions: Use the KE and GPE equations to solve for speed or height depending on the situation. 1. A 1,000-kg car has 50,000 joules of kinetic energy. What is its speed? 2.