24 g copper is submerged in water in a graduated cylinder,
and the total volume increases by 2.7 ml. what is the density
of copper? (your answer should only have 2 significant figures.)
g/cm

If i make a solution by adding 83grams of sodium hydroxide to 750ml i’d water what is the molarity of sodium hydroxide

Suppose you have designed a new thermometer called the x thermometer. on the x scale the boiling point of water is 129 ? x and the freezing point of water is 13 ? x. part a at what temperature are the readings on the fahrenheit and x thermometers the same?

8. what happens to matter during a chemical reaction