How many molecules are there in 2.23 moles of co2

Which of the following is not a property of a base? A. Feel slippery to the touch B. Change red litmus to blue C. Have a sour taste D. Produce OH - ions

How hard is Stoichiometry? Just want to know since I'm about to do a lesson on it ...

Select all that apply to the organization of the periodic table. The periodic table is arranged in alphabetical order. The periodic table is arranged in order of increasing atomic number.

3. Discuss the difference between molarity and molality, state the units of each, state the symbol for each, and give an example of how each can be used when you are determining the concentration of a solution.

Which statement best describes the process of making a solution by diluting a stock solution? Add more solute to decrease the concentration. Add more solute to increase the concentration. Add more solvent to decrease the concentration.

Which of the following processes includes all of the others? Group of answer choices transport of an ion down its electrochemical gradient osmosis passive transport facilitated diffusion

How is the Bohr atomic model different from the plum-pudding model? A. In Bohr's model, the atom's mass is found at its center instead of distributed throughout. B. In Bohr's model, the atom's mass is mostly made up of electrons instead of protons.

What does the cell theory state? A. that cells come from other cells B. that cells come only from animals C. that cells cannot be created or destroyed

For which one of the following molecules is the indicated type of hybridization not appropriate for M the central atom? a. BeCl2 sp2 b. SiH4 sp3 c. BF3 sp2 d. C2H2 sp e. H2O sp3

P4O10 (s) = - 3110 kJ/mol H2O (l) = - 286 kJ/mol H3PO4 (s) = - 1279 kJ/mol Calculate the change in enthalpy for the following process: P4O10 (s) + 6H2O (l) → 4H3PO4 (s)