The specific heat of platinum is 0.133 J/g°C. How much heat energy (Q) is absorbed when a 10 g piece of platinum warms from 100°C to 150°C?

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.

This chart lists four kinds of polymers and their sources. what can be known about all four polymers, despite their differences? they come from living things. they share ionic carbon bonds. they are at least 100 monomers long. they are made of repeating subunits.

How many grams of magnesium metal will react completely with 8.3 liters of 5.5m hcl? show all work