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Methyl benzoate - Acid and Base Organic Chemistry
In preparation of methyl benzoate, what is the purpose of 1. washing the organic layer with sodium bicarbonate solution? 2. washing the organic layer with saturated sodium chloride solution? 3. treating the organic layer with calcium chloride pellets?
Calculate ΔG for the reaction if the partial pressures of the initial mixture are PPCl5 = 0.0029 atm, PPCl3 = 0.27 atm, and PCl2 = 0.40 atm PCl5(g)--> PCl3(g) + Cl2(g)
A for-profit nursing home has beginning-of-period retained earnings of $40,000. Net income for the period totals $75,000 and dividends declared during the period total $15,000. The balance sheet total for retained earnings will be what amount?
Conduct an e-mail interview within a small sample of people you know (about 10) regarding the changes in romantic relationships due to the presence of the Internet. make up a questionnaire of 3-5 questions and record the answers.
For the reaction 2HCl+Na2CO3 →2NaCl+H2O+CO2 what volume of 0.45 M HCl solution would be needed to produce 2.5 L of CO2 at STP?
a cylinder measuring 3.4 cm wide and 4.0 cm high is filled with gas. The piston is pushed down with a steady force measured to be 275 kpa
The traveling salesperson randomly selects 5 apartments in your building to visit. What is the probability that she visits both you and your neighbor bill?
XYZ Company is building a new hockey rink at a cost of $1,500,000. It received a down payment of $500,000 from local businesses in support of the project and now needs to borrow $1,000,000 to complete the project. It therefore decides to issue $1,..
Production for the current period was assigned a $200,000 standard direct labor cost. What is the actual total direct labor cost for the current period?
Estimate the average concentration of methylene chloride. Look up the TL V or the 1WA for methylene chloride and consider how the: evaporation might be performed.
The amount of H2O2 in 15.8g of hair bleach was determined by titration with a standard potassium permagnate soln. MnO4-(aq)+H2O2(aq)--Mn2+(aq)+O2
Hydronium ion concentration using Henderson-Hasselbalch equation - What is the hydronium ion concentration of a solution
Rank the given solutions in aquous form from lowest to highest boiling point:
What mass of HCl is consumed by the reaction of 3.84 mol of magnesium? Answer in units of g.
A 1 L solution of 1.5 M acetic acid and 1.5 M sodium acetate has a ph of 4.74. 10 ml of 0.1 M NaOH were added to the solution followed by the addition of 50 ml of 0.02 M HCl.
Uses of de-Broglie equation in electromagnetic specra - Find the mass of oxygen and decomposed potassium chlorate along with the pressure in the glass bulb.
how many liters of 13.5 molar HCl stock solution are needed to make 10.5 liters of a 1.8 molar HCl solution?
what is the maximum amount of P4S10(444.545 g/mol) which could be formed from 17.12 g of P4 (123.895 g/mol) and 0.137 mol of S8 (256.52 g/mol).
You burn 0.0956 g of the compound and isolate 0.1356 g of CO2 and 0.0833 g of H2O. What is the empirical formula of the compound.
An aqueous solution is 1.00% NaCl by mass. Its density is 1.071 g/mL at 25°C. The observed osmotic pressure of this solution is 7.83 atm at 25°C.
Calculate w (in kJ) when 376 g iron (III) oxide (MM = 159.7 g/mol) reacts with excess carbon to produce carbon dioxide gas at 335 K:
What is the the structures of both products and how can you distinguished them using IR spectroscopy?
A soln. of HCl has a specific gravity of 1.120 and contains 23.81% HCl by wt. How many grams and how many milliequivalents of HCl are present in each milliliter of the soln.?
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