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A 25 ml of sample of 0.150M benzoic acid is titrated with 0.150M NaOH solution. Explain what is the pH at the equivalence point?
A mixture of table salt and ice is used to chill the contents of hand-operated ice-cream makers. What is the melting point of a mixture of 2.00 lb of NaCl and 12.00 pounds of ice if exactly half of the ice melts?
The blood buffering system is aided by the enzyme carbonic anhydrase, which interconverts carbon dioxide and water to bicarbonate and H
When the substances in the equation below are at equilibrium, at pressure P and temperature T, the equilibrium can be shifted to favor the products by
1. which hasthe higher boiling point hf or hcl? why?2. potassiummetal crystallizes in a body-centered cubic structure
State the composition and the properties of the ketohexose derived from fruit jam. Describe the manner in which ketohexose acts as a reducing sugar in the test.
A solution of NaOH(aq) contains 8.7 g of NaOH(s) per 100.0 mL of solution. Calculate the pH and the pOH of the solution at 25 °C.
Balanced equations for the reaction of resorcinol in water, resorcinol in toluene, and resorcinol in hexanes. Balanced equations for the reaction of anthracene in the same three solvents.
What would happen to the A450 value for a smaple which include : 1mL of 0.0025M Fe(NO3)3 + 1mL of 0.0025M KSCN + 5.0mL of 0.1M HNO3 if you accidentally added 5 drops of disodium hydrogen phosphate
a tweezers pair with a 22.7 grams of mass is dropped from roof and hits the floor . it is observed that the
charles flew the balloon for fifteen miles and stayed in the air for a total flight time of 45 mins. the balloon was
What is an alternative way to draw this molecule? (include the resulting formal charge on the Nitrogen, please)
A 65 kg man is on ice skates. The skates' blades have a total contact area of 2.0 cm^2. How much pressure does the man exert on the ice
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