Which formula represents a polar molecule?

(1) Br2 (3) CH4

(2) CO2 (4) NH3

Which is the best metal to use in an alloy to increase its electrical conductivity? Aluminum (Al) Silver (Ag) Zinc (Zn) Antimony (sb)

Why does the rate of dissolution for a has decrease as the temperature of a solvent increases

How is the number of valence electrons in an atom related to its tendency to gain or lose electrons during compound formation?

15 8. Why do real gases deviate from the ideal gas laws at low temperatures? O The volume occupied by molecules becomes a significant part of the total volume. O Masses of individual particles increase as kinetic energy decreases.

If the pH of an acid is 4.0, what is the pOH?

What are the charges and relative masses of the 3 main subatomic particles

What three things happen in order for a chemical reaction to occur?

Before running other simulations, try to think of solutions to this global energy dilemma. Write a paragraph in response to the following questions: Should we invest more heavily in renewables at a high up-front financial cost, and/or should we

What is a sedimentary rock formed from the remains of tiny sea animals.

Consider the following thermochemical equation: C (s) + O2 (g) → CO2 (g) ΔH = - 393 kJ CO (g) + ½O2 (g) → CO2 (g) ΔH =