Which of these is NOT a function of the digestive system?

A. Breaks down your food

B. Absorbs vitamins and minerals from your food

C. Turns your food into energy you can use

D. Protects your organs

What is the mole fraction of ethanol in a mixture of 0.25 mol of ethanol and 0.4 mol of methanol? Report your answer to the hundreths place.

Q. Where does Neptune get most of its energy? A. From it's extremely hot interior

Gajan mixes the pair of substances below: A. zinc chloride solution and copper B. copper sulfate dilution and zinc C. potassium chloride solution and and magnesium D. magnesium chloride solution and zinc Which of these will react?

Atoms of metallic elements tend to A) gain electrons and form negative ions B) gain electrons and form positive ions C) lose electrons and form negative ions D) lose electrons and form positive ions

When I have a cup of vinegar and I add more vinegar into that cup how is the concentration of H + ions (hydrogen ions) affected?

Equal amounts of four gases are placed in identical containers at the temperatures that are noted below. Samples of Gases at Different Temperatures Gas Temperature (° c. P 10.2 Q 25.4 R 25.9 S 33.

A gas occupies a volume of 458 mL at a pressure of 1.0 1K PA and temperature of 295K. when the pressure is changed the volume becomes 500 mL. if there has been no change in temperature what is the new pressure?

True or false Opaque materials always appear to be white.

When 280. mL of 1.50 * 10⁻⁴ M hydrochloric acid is added to 135 mL of 1.75 * 10⁻⁴ M Mg (OH) ₂, the resulting solution will be? a) acidic b) basic c) neutral d) it is impossible to tell from the information given.

These three members of the Noble gas family (helium, neon, and argon) all have one property in common because they are gases at room temperature. That is they A) are combustible. B) are compressible. C) are relatively dense.