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Describe the reaction of a weak acid and a strong base. What will the final pH be when the reaction between equal moles of a weak acid and a strong base is complete?
Sketch a graph for the generic first-order reaction A→ B that has concentration of A on the vertical axis and time on the horizontal axis. Is this graph linear? Explain. Indicate on your graph the half-life for the reaction.
Draw the major isomer of 4-methylbenzaldehyde and benzyltriphenyl phosphonium chloride at room temperature mixed with NaOH
Caculations of Glucose. How much glucose is needed to prepare 100.g of a 33% glucose solution 3.5g at glucose 96.3g of H2o
Which formula represents the greatest number of isomers?
Describe the preparation of 1 liter of a 0.75M acetate buffer, pH 4.50, starting from a 1.50 M solution of acetic acid and solid KOH pellets, M.W.=56 (pKa=4.75)
Sdduming ideal-solution behavior, what is the vapor pressure of the solution at 63.5 C What is the mole fraction of ethanol in the vapor above the solution
An aqueous CaCl2 solution has a vapor pressure of 83.0 mmHg at 50 degrees celsius . The vapor pressure of pure water at this temperature is 92.6 mmHg.
Use condensed formulas or line angle formulas to illustrate the saponification reaction of the fatty acid that is BOTH an OMEGA-6 AND AN 18:2 FATTY ACID
For the endothermic equilibrium CaCO3(s) + NH4^(+)(aq) + SO4^(2+)(aq) -> CaSO4(s) + NH3(g) + HCO3^(-)(aq), explain the best set of changes to apply in order to increase product yield effectively.
What is the pH of the solution formed by mixing 45.0 mL of 0.183 M potassium hydroxide and 65.0 mL of 0.145 M hydrochloric acid?
the temperature inside my refrigerator is about 40 celsius. if i place a balloon in my fridge that initially has a
The sweetener is tested in a bomb calorimeter to determine its energy content per gram. When 5.278 g of the sweetener are combusted in a calorimeter with a heat capacity of 17.63 kJ/°C a temperature increase of 1.82 °C is measured. What is the ene..
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