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Calculate the acidity (H+ concentration) of a carbonated beverage which is 0.15 M carbonic acid, H2CO3. Use only the first ioization constant for H2CO3 to HCO3 , which is 4.4X10^-7
The net ionic equation for the reaction, if any, which occurs when aqueous solutions of manganese(II) chloride and sodium carbonate are mixed is
The pH after adding 10. mL of .10 M NaOH is 4.31. Calculate the total volume of .10 M NaOH that the buffered sample can absorb
ethene (C2H4) and H2 form ethane (C2H6). If 159 kJ is given off per mole of C2H4 reacting, how much heat is released when 14.9 kg of C2H6 forms
How much dry solute would you take to prepare each of the following solutions from the dry solute and the solvent?
God prices fluctuate, depending on the international situation. If gold currently sells for $503.11 per troy ounce, how much must you spend to purchase 1.00 mol gold
The hydrogen gas generated is collected over water at 20.0 C. The volume of the gas is 246 mL at 760 mm Hg. What mass of zinc was used
what minor product(s) might be expected (please draw the full reaction)? Give the detailed reaction mechanism leading to the final product (major).
Calculate the pH of a buffer solution made by adding .83 g of sodium acetate trihydrate [(NaC2H3O2)-3 H20] to 50 ml of .100 M acetic acid
By what percentage does the solubility of lead iodide decrease when dissolved in a solution of 0.02 M ammonium iodide
The presence of the carbon-carbon double bond in eugenol can be tested using the bromine water test. write a balance equation for the reaction involved in this test?
How is the equilibrium yield of C6H12O6 affected by each of the following? 6 CO2(g) + 6 H2O(l) + HEAT C6H12O6(s) + 6 O2(g) (a) increasing PCO2 increases decreases no effect
Draw a formula for the lowest molecular weight compound that contains C, H, and possibly O, is a chiral compound, contains ONLY one functional group,
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