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When carbon dioxide and water react to form carbonic acid, carbon dioxide is the only gas present. If pressure on the carbon dioxide is increased in the reaction environment what would happen to the equilibrium concentration of carbonic acid?
a white solid melts at 1000 deg. celsius. the melt conducts electricity. classify the substance as best as you can from
From the data below, calculate the standard entropy change for the following reaction at 25oC: CaCl2(s) ---> Ca(s) + Cl2(g). Compound H (kJ/mol) So(J/mol-K)
calculate the change in enthalpy for the mg hcl reaction using standard enthalpies of formation delta hf for hcl aq
Using formal charges, draw the resonance form from among all the Lewis structures that is most important in describing BeCl2.
Would the following rocedural errors causes an increase, a decrease, or no change in your calculated molecular weight? Indicate clearly the reasoning in each case
Assuming that the bath contains 250.0 g of water and that the calorimeter itself absorbs a negligible amount of heat, calculate combustion energies (delta E) for benzene in both kilojoules per gram and kilojoules per mole.
question calculate the massvolume percent of a nacl solution in which 127g of nacl is dissolved in enough water to give
Calcium chloride is added to a polymer solution of sodium alginate to cross-link the polymers, reating a thicker mixture which is used to add texture of food (like milk shakes). What is the explanation for why this happens?
30.0 mL of a 3.0 M KOH solution are diluted to 250.0 mL. What is the molarity of the diluted KOH solution? 3)what volume of 1.00 M NaOH is required to prepare 500.0 mL of 0.250 M NaOH? then explain how to prepare this solution.
a. A 0.1044 gram sample of an unknown monoprotic acid required 22.10 mL of 0.0500 M NaOH to reach the end point. What is the molar mass of the unknown?
What is the concentration of CO3^2- in a 0.020 M solution of carbonic acid, H2CO3? For a carbonic acid, Ka1 = 4.2 x 10^-7 and Ka2 = 4.8 x 10^-11.
Calculate the volume (in mL) of 1.2 mol of a perfect gas at 25.0C and a pressure of 1.02 atm.
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