Consider this reaction: Mg + 2HCI - MgCl2 + H2 2.0 moles of Mg and 5.0 moles of HCl react to form 1.5 mol of Ha. What is the percent yield of this reaction?

Which symbol can be used to indicate the pressure at which a chemical reaction is carried out? 25°c 2 atm pa

Examine the false statement. compounds are the smallest unit of an element that occur most commonly in nature. select the rewording of the statement that is true. a: atoms are the smallest unit of an element that commonly occur in nature. b: molecules are the smallest unit of an element or compound that commonly occur in nature. c: molecules are the smallest unit of a compound that occur on the periodic table. d: compounds are the smallest unit of an element that occur on the periodic table

My dog made become frightened and cover when he hears loud thunder this is an example of a reaction to what kind of stimuli a. chemicalsb. lightc. touchd. sound