How is the peroxyacid generated in lab (Show the reaction)? When 3.8 ml of trifluoroacetic acid...
The experimental setup used in this lab was used to study a reaction which generated CO2 gas. During the reaction, 0.159 g of gas was generated and 94.1 ml of water was displaced. The experiment was then repeated with a reaction which generated N2 gas. If 0.212 g of N2 gas was generated, what volume, in ml, of water was displaced? Assume all gas generated results in water displacement and no change in P or T between experiments. (Use three...
how many ml of gas are formed when 15.5 ml of 1.44M sulfuric acid is mixed with 25.7ml of 0.770M sodium bicarbonate? the reaction occur at 235.15K and 0.980 atm pressure.
4. Carbon dioxide can be generated by the reaction of hydrochloric acid with calcium carbonate. How many milliliters of dry CO, at 20.0 °C and 755 torr can be prepared from a mixture of 32.1 g of Caco, and 203 mL of 0.245 M HCI?
Some sulfuric acid is spilled on a lab bench. You can neutralize the acid by sprinkling sodium bicarbonate on it and then mopping up the resultant solution. The sodium bicarbonate reacts with sulfuric acid as follows: 2NaHCO3(s)+H2SO4(aq)→ Na2SO4(aq)+2H2O(l)+2CO2(g) Sodium bicarbonate is added until the fizzing due to the formation of CO2(g) stops. If 31 mL of 6.2 M H2SO4 was spilled, what is the minimum mass of NaHCO3 that must be added to the spill to neutralize the acid? Express...
PRE-LABORATORY QUESTIONS TITRATION OF A DIPROTIC ACID Name Laboratory Instructor Day and time lab meets 1. What is a diprotic acid? (1 pt) 2. Give the balanced chemical reaction for the titration of oxalic acid with NaOH. (1 pts) OH HO- 3. When titrating 25.0 mL of 0.10 M H2SO4 with 0.10 M NaOH, how many mL of NaOH will you have added to reach the first equivalence point? How many mL of NaOH will you have added to reach...
You are provided with 100 mL of 0.100 M acetic acid (CH3COOH, Ka = 1.8 x 10-5), which you will be asked to titrate with 0.050 M sodium hydroxide (NaOH). (a) What is the pH after the addition of 80 mL of the 0.050 M sodium hydroxide solution? Show your work. In your answer, show the reaction that occurs when the sodium hydroxide is added. (b) What is the pH at of the solution at the equivalence point (where the...
When a 25.9 mL sample of a 0.317 M aqueous nitrous acid solution is titrated with a 0.458 M aqueous sodium hydroxide solution, what is the pH after 26.9 mL of sodium hydroxide have been added? Please show work!
A common laboratory reaction is the neutralization of an acid with a base. When 49.6 mL of 0.500 M HCl at 25.0°C is added to 52.0 mL of 0.500 M NaOH at 25.0°C in a coffee cup calorimeter (with a negligible heat capacity), the temperature of the mixture rises to 28.2°C. What is the heat of reaction per mole of NaCl (in kJ/mol)? Assume the mixture has a specific heat capacity of 4.18 J/(g·K) and that the densities of the...
Tab Caps Loc Postlab Exercises Record all data during the experiment in your the lab notebook. When the lab is complete Summarize your results on this sheet and tum it in, along with the copy sheets from your notcbook Shitt 1 Ctri Synthesis Results (show all calculations in lab notebook) 0-D459 moles 0,0534 moles 0.01 (3 moles 1-Pentanol mass 5.50q 2.019 Sodium bromide mass 1-Bromopentane massi Theoretical yield mass 49.l631 % Yield Postlab Questions Give your answers and calculations on...
Show structure and cleavage of each step. In a lab, we seperated Excedrir (paracetamol, acetylsalicylic acid, caffeine and binder). First we dissolved the powder in diethyl ether. This seperated the mixture into caffeine/acetylsalicylc acid and binder/paracetamol. K2HPO4 was added to the caffeine/acetylsalicylic acid. K2HPO41+ caffeine was washed with 1) NaCl and then dried with 2) anhydrous sodium sulphate. Give the reaction mechanism for 1) and 2)