Why do beads of water often form on a slippery surface such as freshly waxed car

Which of the following shows the correct setup in converting 234 kilopascals to torr?

Is spilling cake batter a physical or a chemical change? Explain why?

Which products would form if chlorine gas was bubbled through a solution of sodium bromide?

A) Select the strongest acid:H2Te, GeH4, AsH3, H2S, SiH3 B) Base with the highest pKb:ClO -, BrO-, BrO2-, BrO4-, ClO2- C) Acid with the lowest pKa: H3PO3, H3PO4, H3ASO4, H2SbO3 H2SbO4 D) Acid with the highest pKa: HClO4, HIO2, HBrO3, HBrO2, HBrO4 E)

A tank has 1.90 mols of Nz gas under a pressure of 4.972 atm at 31.8 °C. Calculate the volume of the tank. A) 4.64 L B) 11.76 L C) 9.56 L D) 3.76 L

Great white sharks live in the waters around California and feed on seals. Changes in his ecosystem have caused the seal population to decrease. Which result is an adaptation by sharks when there are fewer seals to eat? A.

Which of the following changes occurs with the greatest increase in entropy?

A child sits on a partially filled balloon and decreases the volume by half. What happens to the pressure inside of the balloon?

Which phrases describe all the outer planets' motion? Check all that apply. no rotation fast rotation slow revolution opposite revolution north to south rotation

Rank the species (amide ion, ammonia, or ammonium ion) from the largest to the smallest H-N-HH-N-H bond angle? Rank from largest to smallest H-N-HH-N-H bond angle. To rank items as equivalent, overlap them.