5. Zinc reacts with hydrochloric acid to produce hydrogen gas and zinc chloride according to the equation below. If 2.88 g of zinc reacts with excess hydrochloric acid
at 25 °C and 1.50 atm, what volume of hydrogen gas will be produced?
Zn(s) + 2HCl(aq) → H2(g) + ZnCl2(aq)

Aradio signal from a gps satellite take only about 0.067 seconds to reach a gps reciever. if the speed of light is about 300,000km/s, then approximately how far away is the reciever from from the satellite?

How does the viscosity of magma change as magma cools?

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