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Problem- Calculate the PH of the buffer that results from mixing 60.0ml of 0.250M HCHO2 and 15ml of 0.500M NACHO2
Please explain how you came up with answer I really want to understand how to calculate this
Some students observe a low-boiling fraction around 40 degrees C during the simple distillation of producing t-amyl chloride from t-amyl alcohol via a unimolecular nucleophilic substitution reaction.
Calculate the quantity indicated for each of the following electrolyses. Enter scientific notation as 1.23E4. (a) [Cu2+] remaining in 5.70E2 mL of a solution that was originally 0.412 M CuSO4, after passage of 3.50 A for 289 s and the deposition o..
Consider: 2 B5H9 (g) + 12 O2 (g) ? 5 B2O3 (g) + 9 H2O (g) ?H?reaction= - 8687 kJ. What is the enthalpy change when 0.2500 moles of B5H9 are combusted
A voltaic cell is constructed by immersing a strip of silver in a 1.0M AgNO3 solution and a strip of cadmiun metal in a 1.0M Cd(NO3)2 solution. The circuit is completed by a wire and a salt bridge in the usual way. Write the balanced overall cell ..
Explain why lan Forsythe, a middle-aged college professor from Boston, was in the Swiss Alps studying astronomy during his sabbatical leave. He had been there for two days as well as planned to stay the entire year.
You have 200ml of a solution which is 0.2M NH3 and contains 0.23grams of NH4Cl. a. What type solution is it? b. What is the pH of the solution
Explain how many Calories are needed to increase the temperature of 10.0 grams of ice from 29.6 C to -19.6. Specific heat of ice is 0.48 cal/g C
A substance "x" is heated and changes into two new substances, "y" and "z" from this information we can conclude that: Which two expressions in each of the following sets represents the same number of oxygen atoms
You dissolve 261 mmol of sodium bicarbonate into a total volume of 1.2 L. What is the molarity of sodium bicarbonate in this solution?
How does insulin promote glycogen synthesis in the liver? By binding to glycogen phosphorylase. By activating glycogen phosphorylase. By inhibiting glycogen synthase.
How many moles of N2 are produced by the decomposition of 1.40 of NaN3 ?
The amount of heat needed to raise the temperature of 25 g of a substance by 15°C is 915 J. What is the specific heat of the substance?
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