Calculate the [H3O+] of an aqueous solution that is 2.42 * 10-7 M in OH-.

A student measures the mass of a beaker filled with corn oil. The mass reading averages 200.6 g and the mass of the beaker is 10.69 g. What is the mass of the corn oil? Answer in units of g.

Which of the following is the general definition of a gas? Matter with a fixed volume and a fixed shape. Matter with no fixed volume and no fixed shape. Matter with a fixed volume but no fixed shape. Matter with a fixed shape but no fixed volume.

An electron moved from a higher energy level to a lower energy level. What most likely happened during the transition?

A gas occupies 4.98 L at 2.6 atm of pressure. What volume does it occupy at 1.8 atm pressure?

A good experimental design should always

When was Magnesium discovered and how or who discovered it

Consider these statements regarding the body's inability to convert fat to carbohydrates. Select each statement that is true. 1. Acetoacetate is a normal, major energy source for the brain, heart muscle, and renal cortex. 2.

Which is the best term to use describing the energy of position

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Write a net ionic equation for the overall reaction that occurs when aqueous solutions of phosphoric acid (h3po4) and potassium hydroxide are combined. assume excess base. use the pull-down boxes to specify states such as (aq) or (s).