According to the vsepr theory what is the shape of a molecule that has a central atom valence three other items with no lone pairs of electrons

Asyringe contains 56.05 ml of gas at 315.1 k. what volume will that gas occupy if the temperature is increased to 380.5 k? a) 12.41 b) 46.42 c) 67.68 d) 81.74

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If 90.0 grams of ethane reacted with excess chlorine,how many grams of dicarbon hexachloride would form