1. How much heat is required to raise the temperature of 4.64kg of lead from 150°C to 219°C?

In an energy pyramid, which level has the most available energy?

Why is soap used to remove grease? a. its nonpolar end dissolves the grease. b. it makes the water bond with the grease. c. it chemically bonds with the grease. d. its polar end dissolves the grease. correct answer for apex - a, its nonpolar end dissolves the grease.

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