Is the reaction si (s) + 2 h2 (g) --> sih4 (g) spontaneous under standard conditions at 298 k? answer this question by calculating delta-s(universe). the "system" is comprised of the reactants and products. a. what is delta-s(universe)?

a polar bond is formed when electrons are shared unevenly between atoms

for step 7 table c on the lab "newtons law of action"   the average time it took the car to travel .25 meters   was 1.92 seconds.

the average time it took the car to travel 0.50 meters was 2.61 seconds

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