5) If a car travels 60 miles for two hours, what is the average speed?

A. 15 mi/hr

B. 30 mi/hr

C. 45 mi/hr

D. 60 mi/hr

Which law is described by saying that when the pressure of a gas in a sealed container is cut in half, the gas will double in volume at a steady temperature? Boyle's law Charles's law Dalton's law Gay-Lussac's law

How many grams of zinc will he formed if 32 g of copper reacts with zinc nitrate?

One way to refine iron from iron ore is to heat the ore with hydrogen gas at high temperatures. which change increases the amount of iron produced in the equation fe 3 o 4, solid, plus 4 h 2, gas, plus energy in equilibrium with 3 fe, solid, plus 4

Is the haber process for the industrial synthesis of ammonia spontaneous or nonspontaneous under standard conditions at 25 ∘c? n2 (g) + 3h2 (g) →2nh3 (g) δh∘=-92.2 kj; δs∘=-199 j/k?

If you are considered 'clean' when you get out of the shower, then how does your towel get dirty?

Which of the following equilibria would be impacted by a change in pressure? Select the correct answer below: H2 (g) + I2 (g) →2HI (g) NO (g) + O3 (g) →NO2 (g) + O2 (g) 2SO3 (g) →2SO2 (g) + O2 (g) CO (g) + H2O (g) →CO2 (g) + H2

A common stain remover is sold in concentrated form as 3M sodium hypochlorite (NaOCl). You need to create 400 milliliters of a 0.5M solution of sodium hypochlorite to fill a spray bottle. What volume of 3M sodium hypochlorite is needed? 15.0 mL 66.

A chemical reaction that takes in heat is called: exothermic endothermic a phase change

Which of the following lines (of latitude or longitude) would represent by 180 longitude? South Pole Equator Prime meridian North Pole International date line

63Ni decays by a first-order process via the emission of a beta particle. The 63Ni isotope has a half-life of 100. years. How long will it take for 65% of the nickel to undergo decay?