To understand the world we live in, we use mental models. What is the problem with mental models? (Select all that apply)

•They are personal

•They are incomplete

•They are idiosyncratic

•They are untestable

If you burn 56.8g of hydrogen and produce 508g of water, how much oxygen is reacted?

What is the molarity of an aqueous phosphoric acid solution if 13.13 mL is completely neutralized by 19.64 mL of 0.09291 M NaOH? Collapse question part Part 1 Incorrect answer.

Does iron melt at 1728 degrees Celsius

What does the nucleus of a atom contain?

If the wavelength of one wave is 0.25 or ¼ meters, how many waves will be formed in one meter?

Name the compound CH3CH2CH2C (CH3) 2CH2CH3

What is the primary source of energy that generates most ocean waves

Six students were asked to perform an experiment to see how the mass of a pendulum affected its period. They were given supplies and asked to design an experiment to test the impact that the mass of the bob had on period.

How would the experiment have compared if twice the mass of zinc were used

Identify the major ionic species present in an aqueous solution of C12H22O11 (sucrose).