In this chemical reaction, how many grams of HF are needed for 182 grams of SiO2 to react completely? Express your answer to three significant figures.

Rutherford's experiment indicated that matter was not as uniform as it appears what part of his experimental results implied this idea

Apure solvent has a vapor pressure the vapor pressure of a solution. a. equal to b. lower than c. higher than

14. many depressants reduce small muscle control, making it harder for a. you to steer b. your mind to consider complex problems c. the eye to scan, focus, or stay still d. the kidneys to filter alcohol out of the bloodstream