Which nuclear emission has the greatest mass and the least penetrating power?

(1) an alpha particle (3) a neutron

(2) a beta particle (4) a positron

So2, y2o3, mgo, cl2o, and n2o5. how many are expected to form acidic solutions in water?

The amount of fat recommended for somone with a daily diet of 2000 Calories is 65 g. What percent of the calories in this diet would be supplied by this amount of fat if the average number of Calories for fat is 9.1 Calorie/g?

How would you describe the particles that make up a liquid? are the shape and volume of liquids definite or indefinite?

The equation X + Y 2Z has the rate law equation shown below. Which of the following statements best describes the relationship of X on the rate of the reaction? rate = k[X]2[Y] Changing X has no effect on the reaction rate.

Solid NH4HS is introduced into an evacuated flask at 24 ∘C. The following reaction takes place: NH4HS (s) ⇌NH3 (g) + H2S (g) At equilibrium the total pressure (for NH3 and H2S taken together) is 0.614 atm.

Identify the main source of energy used by most organisms

Write a net ionic equation to show that codeine, c18h21o3n, behaves as a bronsted-lowry base in water.

What is the name of the hybrid orbitals used by chlorine in clf3?

Which one is correct A. It allowed them to escape B. It allowed them to chase down C. It allowed them to reach food D. All of these

Boron is one position to the left of carbon on the periodic table. the atomic number of carbon is 6. given its position on the periodic table, what is the atomic number of boron