A sample of aluminum (specific heat capacity = 0.89 J/goC) is heated to 115.0oC and then placed in 500 mL of water that is at 22.3oC. The final temperature of both the water and the aluminum is
28.3oC. What is the mass of the aluminum that is added to the container, assuming that all the
heat lost by the aluminum is gained by the water? Assume that the density of water is 1.0 g/mL

The valence of aluminum is +3, and the valence of the chlorine is -1. the formula fir the aluminum chloride is correctly written as

Read the claim. breakfast is an important meal. it jump starts the body’s process of using calories to break down food. appetite can decrease with age, but going too long without eating causes metabolism to slow down. current research shows that incorporating legumes such as lentils and chickpeas into meals boosts metabolism for twenty-four hours. who might benefit from this claim? people who have a fast metabolism stores that sell exercise equipment people who take vitamin supplements grocery stores that sell legumes

Anurse used a 0.02-mg/l solution of disinfection to clean a patients wound. what is the concentration of the solution expressed as a percentage?