The density of ethanol is 0.789g/ml at 20°c. find the mass of a sample of ethanol that has a volume of 150.0 ml at this temperature.

9. write the chemical equation for the following word equations. include symbols for physical states in the equation. a. solid zinc sulfide + oxygen gas -> solid zinc oxide + sulfur dioxide gas b. aqueous hydrochloric acid + aqueous barium hydroxide -> aqueous barium chloride + water

Suppose that during that icy hot lab 65,000 j of energy were transferred to 450 g of water at 20°c what would have have been the final temperature of the water

How have the greenhouse gasses increased from the year 2000 to 2018