The pH of the ocean surface is about 8.1, although it does vary by location. What is the molar concentration of [H3O+] if the ocean has a pH of 8.15?

How many moles are in 25.2 g of C6H10S?

Two scientists work together on an experiment, but they have different hypotheses. When the scientists look at the experimental results, they interpret the data in different ways and come to different conclusions.

What is the mass of N2 in a 56 liter container at STP?

Which is true about the temperature of a gas? At a higher temperature, the particles have a higher average kinetic energy. At a higher temperature, the volume of the gas is smaller. At a lower temperature, there are more particles in the gas.

Chemicals in the air can combine with rain to produce acid rain, which is harmful to the environment. Which of these is most likely to be the pH of acid rain? A. 0 B. 4 C. 10 D. 14

In the following reaction, how many grams of ammonia (NH3) will produce 300 grams of N2? 4NH3 + 6NO → 5N2 + 6H2O The molar mass of ammonia is 17.0337 grams and that of nitrogen is 28.02 grams.

For each solute, identify the better solvent: water or carbon tetrachloride

If an element has 43 electrons, 56 neutrons, and 43 protons, what is its approximate atomic mass?

What did the Cherokee do to assimilate? Check all that apply They invented a writing system. They resisted white settlement. They wrote a constitution. They planted cotton and farmed.

Which of the following correctly compares the radii of Cl and Cl-? Cl has a larger radius than Cl - because Cl has an additional energy shell. Cl has a smaller radius than Cl - because Cl has an expanded electron cloud.