Imagine that you burned an energy bar and it raised the temperature of 525 kilograms of water by 1 degree Celsius. How many Calories were in the energy bar? Explain your answer.

7. what temperature is need to just dissolve 50 g of nh4cl in 75 g of water? '

Transportation is the largest single source of air pollution in the united states. air pollution can harm the environment and human health. which technology could offer a solution to this problem? mufflers that reduce noise motors that run on electricity tires that improve gas mileage

Summarize possible ways in which phases of matter could combine to form a solution.