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Problem- What mass of ammonium chloride should be added to 2.65 L of a 0.15M NH3 in order to obtain a buffer with a pH of 9.55?
You must show your work in an efficient manner so I can understand it in clearly
If the partial pressure of H2S is 0.539 atm, calculate the total pressure (atm) of the mixture visualized. I wasn't able to put the actual visualization but I will provide to the best of my ability what was given
Initially there is 3.50L vesssel at 200C 0.544 mol N2, 0.623 mol H2, and 1.55X10^-4 mol NH3. If Kc= 5.5X10^-4 and N2(g)+3H2(g)-->2NH3(g). Deteremine if the system is at equilibrium
When a 2.00-g sample of KSCN is dissolved in water in a calorimeter that has a total heat capacity of 1.083 kJ·K-1, the temperature decreases by 0.460 K.
A carnot cycle engine is operated between a high temperature of 500K and at a low of 3000K. The work done is 800J. how much heat
2 students are titrating and started the titration at 30.0 mL. The buret was at 49.50 mL and the solution still had not chnaged to the base color. They stopped, now at 49.80 mL and refilled the buret to 0.00 mL and continued to titrate.
A one-gram sample of wood taken from a living tree gives a rate forcarbon-14 decay of 13.6 counts per. If the half-life for carbon-14is 5720 years, Explain how old is a wood sample that gives a rate for carbon-14 decay of 3.9 counts per minute?
Select the gas with the largest root-mean-square molecular speed at 25°C. a. NH3 b. CO c. H2 d. SF6
when silver nitrate reacts with zinc chloride silver chloride and zinc nitrate are formed. if you react 2.22 g of
One of the steps in purifying silicon involves reacting the intermediate silicon tetrachloride with steam to produce high-purity silicon dioxide and hydrogen chloride gas
Question- A 15.0g sample of granite initially at 86.0?C is immersed into 22.0g of water initially at 25.0?C. What is the final temperature of both substances when they reach thermal equilibrium? (For water, Cs=4.18J/g?C and for granite, Cs=0.790J/..
Determine what is element Y if you have a compound consists of element "Y" and H, only and know that it is 79.89% element Y by mass. Each molecule has 3.00 times as many H atoms as Y atoms?
A sample of Tl-201 has an initial decay rate of 5.88 x 10 to the 4 seconds. How long will it take for the decay rate to fall to 55/s? (Tl-201 has a half-life of 3.042 days).
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