Five unknown compounds are added to water. four of the compounds go into solution while one does not. what property does water possess that allows these four compounds to dissolve? why might the fifth compound not dissolve?

How many grams of disulfur decafluoride are present in 2.15 moles of this compound? grams

Assign oxidation numbers to each element in this compound. NO N = O =

Mass, size, and color are examples of what?

7. How many Joules of heat energy are absorbed in raising the temperature of 10. grams of water from 5.0°C to 20.°C? A) 1.1 x 103 B) 8.4 x 102 C) 6.3 x 102 D) 2.1 x 102

PCl3 (g) + Cl2 (g) ⇋ PCl5 (g) Kc = 91.0 at 400 K. What is the [Cl2] at equilibrium if the initial concentrations were 0.24 M for PCl3 and 1.50 M for Cl2 and 0.12 M PCl5.

How much CO2 is produced from 10g of CH4?

Balance the following redox reaction in acidic solution. Zn (s) + MnO-4 (aq) → Zn+2 (aq) + Mn+2 (aq)

66.0g of dry ice (solid carbon dioxide)

Select all the discoveries for which ernest rutherford is credited. the emissions of radioactive elements the neutron the electron the proton

Calculate the concentration of a solution made by diluting 86.0 mL of 4.4 M HBr to a final volume of 575.0 mL. Significant figures are graded for this problem. Be sure you do not round your answers until the very end of your calculations.