Which of the following formulas represents an ionic compound? A. CO2 B. CaCl2 C. H2O D. Br2

Suppose 'Solution A' has a pH of 3, 'Solution B' has a pH of 7, and 'Solution C' has a pH of 10. If solution B contains 10,000,000 H + ions in a given volume, how many ions will each of solution A and solution C have in equal volumes?

Rank the following in order of the packing of particles (density) from greatest to least: solid liquid gas

why is it that when you use an expression for work you don't use the - VdP but when you use an expression for dH you use PdV and VdP in it?

Atoms are matter of what

What is the meaning of the word tetrad which is from the Greek word tetra? A. multiple B. tetris C. four D. double

What needs to happen for a solute to dissolve in a particular solvent? A) the attractions between the solute and solvent molecules must be greater than the attractions keeping the solute together and the attractions keeping the solvent together.

Which is a conversion factor for this statement of equality: 12 in. = 1 foot? 12 feet1 in. 12 feet 1 in. 1 in. 12 feet 1 in. 12 feet 1 foot12 in. 1 foot 12 in. 1 foot1 in. 1 foot 1 in.

Which of the following is an incorrect way of rearranging the density formula: a. m=v•d b. V=d/m c. V=m/d d. Both a and b are incorrect

Describe how the periodic table differentiates between metals and nonmetals. I need a very informative description/explanation on this.

When the ideal gas law is arranged as shown below, what property of the gas is being solved for (represented by the X) ? x equals PV over nR