Mg + HCl ->MgCl2 + H2 How many liters of hydrogen gas is produced at 298 K and 0.940 atm if 4.00 molecules of Hydrochloric acid react with an excess amount of magnesium metal

A) 26.0 liters

B) 52.1 liters

C) 82.3 liters

D) 104 liters

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the answer is d.indefinite shape but definite volume, let go oogle u out

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the density(ratio between mass and volume as m/v) decreases from top to bottom in periodic table group as the size increases and nuclear charge decreases. but in periods density increases from left to right as atom size decreases and nuclear charge increases.

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each chemical family is represented as a group or column on the periodic table. based on chemical properties, there are 6 types of chemical families. group 1 represents alkali metals, group 2 represents alkaline earth metals, groups 3 to 12 represent transition metals, groups 13 to 16 represent non-metals and other metals, group 17 represents halogens and group 18 represents noble gases.