Which element would you expect to have the most similar properties

copper and zinc

nitrogen and oxygen

carbon and silicon

A solution of sulfuric acid has a concentration of 0.0980 g/L. If the density of the acid is 1.84 g/mL, what is the concentration in ppm?

The pH of 1M MOH solution which is only 10% dissociated.

Q5-P1 is 1.00atm and V1 is 3.00L. We've now changed the volume so P2 is 0.700atm. Use Boyle's Law, how much is V2? * Round your answer to 3 significant digits.

Sodium bicarbonate undergoes thermal decomposition according to the reaction 2NaHCO3 (s) ⇋ Na2CO3 (s) + CO2 (g) + H2O (g). It is an endothermic reaction. Which of the following will shift the equilibrium toward the products? Select all that apply.

What is the kinetic energy of a 2,000kg boat moving at 5 meters per second?

How many molecules of sodium nitrate are produced when 17 g of sodium azide, NaN3, react according to the following equation: NaN3 (aq) + AgNO3 (aq) - --> AgN3 (s) + NaNO3 (aq) Question options: 3.7x1023 1.6 x 1023 1.85x1023 6.02x1023

Which statement is true for the given reaction? Zn + PbSO4

A student states the following: "Since acetone (nail polish remover) evaporate more readily than water, one would assume that acetone has weaker intermolecular forces than water." Evaluate their claim. (2 sentences)

A catalyst can only be used once. True False

On what basis do we distinguish between substances and separate them from one another?