Which substance is liquid at 0°c? 1. alcohol 2. aluminum 3. ammonia 4. copper

An occluded front moves over the farmland that has been experiencing drought conditions. what change in weather will this front likely bring? a. gray skies, but no rain b. an extended period of rain c. more dry air and sunny skies d. violent, short-lived thunderstorms

Apiece of copper has a temperature of 75.6 0c. when the metal is placed in 100.0 grams of water at 19.1 0c, the temperature rises by 5.5 0c. what is the mass of the metal?

Calculate the number of kilojoules to warm 125 g of iron from 23.5°c to 78.0°c.