What is the change in enthalpy when 9.75 g of aluminum reacts with excess ammonium nitrate according to this equation: 2Al + 3NH4NO3 = 6H20 + Al2O3. H = 2030 kJ

Vaporization and filtration are both physical separation processes that do not alter the identity of a substances.

If you proceed long enough through a series of aerobic catabolic cellular reactions, ultimately what must appear as one of the products?

David's body breaks down the sandwich into small enough molecules that can be absorbed through his intestinal lining and then into his. His body breaks down the carbohydrates in the bread into, the proteins into, and the fats.

What is generally true about particles in a liquid?

What type of chemical is two separate compounds produce one different compound

Is a sample of liquid nitrogen more dense than a sample of nitrogen gas

You have a balloon containing 1 L of air at STP in a vacuum chamber. What will the volume of the balloon be when you reduce the pressure by half and increase the temperature to 373 K?

Which method will correctly determine whether the forces on an object are balanced or unbalanced? A. Multiply the forces in the horizontal direction by the forces in the vertical direction. B.

Carbon is found in all known forms of life. Which statement best describes why carbon is uniquely suited to forming macromolecules such as those found in living organisms? A. Carbon forms large compounds that are not chemically reactive. B.

Name a type of asteroid and give a description.