Describe a chemical test to distinguish between zinc carbonate ​

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

Is powdered sports drink ionic or covalent ? 10pts !

The gulf stream is a warm water current that flows away from the equator to northern europe. witch of these does it cause. a. crashes of warm and cool water in the ocean b. colder climates near the equator c. large waves on the cost of europe d. warm climates in northern europe