7. Given the following reaction: Mg(s) + 2HCl(aq) → MgCl2 (aq) + H2(g) Calculate the volume of hydrogen
gas at produced by the reaction of 0.52 grams of solid magnesium with excess hydrochloric acid. (0.48L)

If you have 5.25 grams of methane (ch4), how many grams of co2 will you produce ?

What produces wave a)sound b) heats c)transfer of energy d)vibrations

Let the ed50 of a recreational drug be defined as the amount required for 50% of a test group to feel high or get a buzz. if the ed50 value of ethanol is 470 mg/kg body mass, what dose would a 70 kg party goer need to quickly consume in order to have a 50% chance of getting a buzz? 235 mg 470 mg 32,900 mg 35,000,000 mg