A train travels 120 kg kilometers two hours and 30 minutes what is the average speed

Which two properties give insight into the general attraction of an atom for electrons?

Why does increasing the pressure of a gas usually increase reaction rate? A. The increased pressure acts as a catalyst on the gas particles in the reaction. B. The gas particles are closer, which increases the number of collisions. C.

Read the following chemical equations. Reaction 1: H2S+Cl->2HCl+S Reaction 2: Fe+S->FeS Which of the following statements if true for both the chemical equations?

Which is an example of a solution? A. tea B. milk C. salad dressing D. salad

Which statement best describes the electronegativity of an element? a. Electronegativity of an atom is it's ability to lose electrons during cation formation. b.

Prokaryotes divide by a form of asexual reproduction called binary fission in which Question 1 options: A cell divides into two cells with identical genetic information. A cells divides into two cells with different genetic information.

7. Which of the following pairs of atoms are isotopes? a) C14 & N14 b) U235 & U238 c) C12 & C12 d) C12 & N14 e) None of the choices are correct

Which property of an object changes when an unbalanced force acts on it? A. Mass B. Inertia C. Velocity D. Temperature

The formula mass of a compound

Suppose the volume of a container is decreased, but the same number of gas molecules is present at the same temperature. What will happen to the molecules? The molecules will increase in number. The molecules will decrease in number.