A truckload of apples weighs 2550 lbs. If 5 (exact) apples weigh 1250 g, how many moles of apples are in the truck? Ex- I mole = 6.022 x 10^23 objects

Which statement describes covalent bases? they have hydroxide ions. they produce hydrogen ions. they are often amines. they are named the same as ionic compounds.

Substance x has a fixed volume, and the attraction between its particles is strong .substance y had widely spread out particles and can be compressed what can most likely be concluded about these substances

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