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How do you know if the bond is ionic, polar covalent and non covalent by looking at the molecular formula?
When heated, ammonium carbonate decomposes as follows. NH4CO2NH2(s) ->2 NH3(g) + CO2(g) At a certain temperature the equilibrium pressure of the system is 0.318 atm. Calculate KP for the reaction.
Calculate the energy that must be removed to convert substance X from a gas at 119°C to a solid -47.9°C. Assume X has a molar mass of 75.0 g/mol.
A compound is found to have a molar mass of 598 g/mol. If 35.8 mg of the compound is dissolved in enough water to make 175 mL of solution at 25°C, what is the osmotic pressure of the resulting solution?
How do you find the net ionic equation for Hg2Cl2(s) + 2NH3(aq) --> Hg(l) + HgNH2Cl(s) + NH4+(aq) + Cl-(aq)
Construct a spontaneous voltaic cell using the following materials: A Ni(s) electrode, a copper electrode, a 1.0 M Ni(NO3) (aq) solution and a 1.0 M CuSO4 (aq) solution.
Diamonds are measured in carats, where 1 carat=0.200 g. The density of diamond is 3.51 g/cm^3. What is the volume of a 2.50-carat diamond
How many microliters of 1.000 M NaOH solution must be added to 25.00 mL of a 0.1000 M solution of lactic acid HC3H5O3 to produce a buffer with pH = 3.75
tiny water drops in the air disperse the white light of the sun into a rainbow. what is the energy of a photon from the
Calculate the pH of a 25 mL distilled water sample after the addition of 1mL, 2mL, 3mL, 4mL
Identify the conjugate base of HSO4 - in the reaction H2PO4- + HSO4- ? H3PO4 + SO42- A) H2PO4- B) H2SO4 C) H2O D) H3PO4 E) SO42-
Identify the Qual I cation(s) that is (are) confirmed present in a test solution as a result of a Bronsted acid-base reaction.
How many moles of methanol are present in a 150.0 gram sample of methanol,CH3OH
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