Consider the following unbalanced redox reaction:

NO3 - → NO

How many water molecules are needed for balancing?

1.2 kg of aluminum at 20oC is added to 1.5 kg of water at 80oC. After the system reaches thermal equilibrium, what is its final temperature (in oC) ?

A flexible container at an initial volume of 4.11 L contains 2.51 mol of gas. More gas is then added to the container until it reaches a final volume of 16.9 L.

Is rock solution because it is made up of minerals, water, stone, and dirt?

A 35.0 mL sample of 1.00 M KBr and a 60.0 mL sample of 0.600 M KBr are mixed. The solution is then heated to evaporate water until the total volume is 50.0 mL. What is the molarity of KBr in the final solution?

Which phrase describes a compound that consists of two elements? (1) a mixture in which the elements are in a variable proportion (2) a mixture in which the elements are in a fixed proportion (3) a substance in which the elements are chemically

Which statement comparing chemical and nuclear properties of isotopes is correct? Isotopes have similar chemical and nuclear properties. Isotopes have different chemical and nuclear properties.

Which uses of iron are due to its chemical properties? Select two options. producing colored sparks in fireworks changing from liquid to gas at 2,862°C rusting in the presence of water and oxygen changing from solid to liquid if heated to 1,538°C

What is the order of steps in handling a hazardous waste manifest kpa

Which would have the highest viscosity A. Shampoo B. Water C. Orange juice

A. Write an equation for determining the number of moles of NaOH that are added to the flask based on [NaOH] and volume of NaOH titrant (mL NaOH): B.