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A student has spilled some acid onto their arm. One lab partner suggests pouring some base on it to neutralize the acid but the TA quickly interjects that would be a bad idea and has the student begin washing their arm off in the sink. Provide two different reasons why theneutralization suggestion was a bad idea.
In the preparation of the esters given in this experiment, the reaction product was extracted with 5% sodium bicarbonate solution in the isolation step. Why? What gas was evolved during this washing step? Write a balanced equation for the reaction..
A student analyzed an antacid tablet from a bottle containing 120 tablets purchased for $2.79. The mass of the tablet was 1.247 grams. What is the cost of one antacid tablet in cents/tablet.
What does a yellow flame in the Bunsen burner indicate? How can this be corrected? Why use a funnel to transfer large volume of liquid from one container to another?
In a titration, 10.0 mL of 0.025 M hydrochloric acid is added to 30.0 mL of 0.030 M ammonia. What is the pH of the resulting mixture?
The atmospheric pressure in the room when the measurement was made was 628 mmHg and the temperature was 36.0 degrees C. What is the density of the gas?
if you have 430.00 ml of water at 25.00 degrees celcius.and add 100 ml of water at 95.00 degrees celcius, what is the final temperature of the mixture?
A sample of hydrogen gas was collected over water at 36°C and 855 mm Hg. The volume of the container was 6.50 L. Calculate the mass of H2(g) collected. (Vapor pressure of water = 44.6 torr at 36°C)
If 37.3 g of CO2 is produced in the reaction of C2H2 with O2 to form CO2 and H2O, how many grams of H2O are produced in this reaction.
Fully explain why this series of reaction will produce the 3,5-dibromotoluene and direct bromination of toluene produces the 2,4-dibromotoluene.
A 0.1752g sample of silver nitrate was dissolved in 502.3g of distilled water. Calculate the weight molarity of silver in this solution.
Celsius the initial concentration of the three gases are.3M H 2 S,.3H 2 and .150 S 2 you just need to determine the equilibrium concentrations of all these given 3 gases?
Draw the molecule by placing atoms on the grid and connecting them with bonds. Include all lone pairs of electrons. Show the formal charges of all atoms in the correct structure.
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