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First thing to notice is that when the indicator is added to the NH3 alone the colour of the solution is a clear bright pink, this indicates that the solution is originally basic. As we slowly add 1 mL of NH4Cl they solution slowly changes to a light pale clear pink. This indicates that the solution is now more acidic, and the reaction shifts to the right, working to lower the concentration of hydrogen ions, and return to equilibrium. NH3 is a weak base, it produces it's conjugate acid NH4+ by donating a H+. NH3 (aq) + H+(aq) ? NH4+(aq) If I got this wrong please correct me, I need to see if this makes sence
Could you explain why carbonate, specifically sodium carbonate (Na2CO3) would be particularly good at neutralizing these acids and their conjugate bases?
125 mL of H_2O is initially at room temperature (22.0C). A chilled steel rod at 2.0C is placed in the water. If the final temperature of the system is 21.5C, what is the mass of the steel bar?
A 41 kg person drinks 280. g of milk, which has a "caloric" value of approximately 3.0 kJ/g. If only 18% of the energy in milk is converted to mechanical work,
What are the other side products present in this biocatytic reaction? Name the principal enzymes taking part in this bioconversion. To which class of enzymes do they belong to?
If the solubility of a gas is 7.5 g/L at 404 kPa pressure, what is the solubility of the gas when the pressure is 202 kPa.
How many grams of ethylene glycol C2H6O2 must be added to 1.15kg of water to produce a solution that freezes at -3.68 degrees celsius?
Determining the free ions of calcium on a similar sample of blood. recommend if the sample requires pretreatment or if it can be calculated directly In each case.
The catalytic converter on your automobile contains small amounts of a precious metal catalyst. Which of the following components would you expect to be decreased in your tailpipe emissions.
Calculate the mass, in grams for a gold sample that absorbs 225 J to change its temperature from 15 Celsius to 47 degrees celsius.
equilibrium constant, Kp, for the reaction = 0.295 (at 400 degrees C.)then write the kp of the reaction and Calculate kc at 400 degree Celsius.
Calculate ΔH° for the reaction -> 2 K(s) + 2 H2O(l) 2 KOH(aq) + H2(g) A 4.85-g chunk of potassium is dropped into 1.06 kg water at 24.0°C.
Is 1-propanol soluble in hexane? Why or why not? What is the sketched formula for ethyl methyl ester and is it an isomer of butanoic acid? If not, what is the isomer of butanoic acid?
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