The density of gold is 19.3 g /cm cubed the density of iron pyrite is 5.0 g /cm cubed. is a nugget of iron pyrite and a nugget of gold each have a mass of 50 g what can you conclude about the volume of each nugget

Three cards with holes are arranged in a straight line. a light is shined through the first card’s hole and travels through all three cards. what does this tell you about light rays? a) that light is reflected b) that light is refractive c) that light travels in a straight line d) that light does not travel in a straight line

Which statement is true about hcl? (5 points) select one: a. it is a salt because it increases the concentration of metallic ions. b. it is a salt because it is formed by the reaction of an acid and a base. c. it is an acid because it increases the concentration of hydroxyl ions. d. it is an acid because it increases the concentration of hydronium ions.

How many grams of mgbr2 are needed to produce 75g or metal?