If your car gets 41.8 mi/gal, how many gallons of gasoline would you use if you drove 478.8 miles?

When a substance changes from one phase to another, which of the following occurs? A. The substance loses or gains heat. B. The average kinetic energy of the substance changes. C. The temperature of the substance changes. D.

The leading cause for dementia is Alzheimer's disease. True False

How does planks constant work

Type the correct answer in the box. Express your answer to three significant figures. This balanced equation shows the reaction of sodium hydroxide and sulfuric acid: 2NaOH + H2SO4 → Na2SO4 + 2H2O.

What substance is a yellow solid and melts at 115 degrees celsius?

Select all the statements that are true about electron configurations: A) The electron configuration of an atom describes the energy of electrons in the atom.

Acid is added to a beaker containing crushed marble. what effect does stirring this mixture have on the system?

How many milliliters of 0.200 M NH4OH are needed to react with 12.0 mL of 0.550 M FeCl3? FeCl3 + 3NH4OH Fe (OH) 3 + 3NH4Cl

Based on the law of conversation of mass, how does the mass of reactants compare with the mass of products in a given reaction?

How many moles of sucrose are dissolved in 520 mL of solution if the solution concentration is 0.150 M