The density of water at 40°c is 0.992 g/ml. what is the volume of 3.45 g of water at this temperature?

Calculate the number of CO2 molecules in 0.0334 molmol of CO2. Express your answer using three significant figures.

Which atomic model states that it is impossible to know the exact location of electrons around the nucleus? Bohr model Dalton model plum pudding model electron-cloud model

How many miles are equal to 117 grams of sodium chloride

Find the ratio of the effusion rate of hydrogen gas to the effusion rate of krypton gas. express the ratio of effusion rates to four significant figures.

Calculate the ph of a 0.10 m solution of hypochlorous acid, hocl. ka of hocl is 3.5*10-8 at 25 ∘c. express your answer numerically using two decimal places.

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.

When a stretched string is vibrated up and down with a particular frequency, it causes a standing wave to be produced.