2. What is the concentration of an acid that has 5.2 moles of HCI in 750 mL of water?

w

O A. 6.9 M

OB. 6.8 M

OC. 7.5 M

OD. 5.2 M

How much eneregy is released when 10.0 g of methanol is burned?

5. Which is an example of inertia? a. The baseball sailed through the air and then fell to the ground. b. I The truck driver pressed on the brakes and the truck slowed down. C.

Which of these gives the correct ratio for the offspring? A. 2 BB : 1 Bb B. 1 BB : 1 BB C. 1 BB : 1 Bb D. 1 BB : 2 Bb

3h2 (g) + n2 (g) →2nh3 (g) If N2 is added to the reaction above it will shift. Left RIght

2. 4 NH3 + 3 0₂ 2N2 + 6H₂O a. 20 moles of NHa are needed to produce - moles of 20. b. How many moles of Nz will be produced if 3.5 moles of Oz react?

You have a 1 L container of a gas at 20 C and 1 atm. Without opening the container, how could you tell whether the gas is chlorine or fluorine? a. measure the mass of the gas b. measure the speed of the gas molecules c.

In a pan of boiling water, the water moves in a circular motion.

In the following reaction, which component acts as an oxidizing agent? 10 I - (aq) + 2 MnO4 - (aq) + 16 H + (aq) → 5 I2 (s) + 2 Mn2 + (aq) + 8 H2O (l)

Classify each of the following as a suspension, solution, or colloid. - suspension - solution - colloid A. gasoline B. blood C. mud

What are similarities between beta decay and alpha decay