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Question- Calculate the Kb of hypochlorite, if a 0.146 hypochlorite solution at 10c, has a pH of 11.97 at this temperatur. the kw of water at 10c is 1.20 x 10^-15
Express your knowledge to solve the above question
A sample of helium gas occupies a volume of 24.9 mL when meassured at 20.9 degree C and 527 torr. What is the volume of the gas in mL if the temperature is increased to 99.8 degree C and the pressure remains constant
When an ionic solid is added into a solvent, you can see that the ionic solid dissociates into its respective cations and anions. The solvent molecules immediately cluster around the ions.
A chemist dissolves 0.9 g of an unknown monoprotic (one acidic H) acid in water. She finds that 14.6 mL of 0.426 M NaOH are required to neutralize the acid.
A 50.0 g sample of liquid water at 25.0 degree C is mixed with 29.0 g of water at 45 degree C. The final temperature of the water is ___________ degree C. The pecific heat capacity of liquid water is 4.18 J/g-K.
Consider a glass of 171 mL of water at 29°C. Calculate the mass of ice at -15°C that must be added to cool the water to 10°C after thermal equilibrium is achieved.
The decomposition of XY is second order in [XY] and has a rate constant of 7.02x10^-3 M^-1 s^-1 at room temperature. what is the half life ( in seconds) for this reaction at an initial concentration of 0.100M? how long will it take for the concent..
how many calories are required to raise the temperature of a 150 gram sample of gold from 25 degree celcius to 175
During an experiment, a student adds 1.05 g of calcium metal to 200.0 mL of 0.75 M HCl. The student observes a temperature increase of 17.0 °C for the solution
What is the pressure drop in lb/in^2 and in atm. What percentage of error is introduced if the density of the air in the manometer leads is neglected
What combination is the best choice for the preparation of 3-chloro-1-iodobutane? Answer a.) 1-Iodobutane + chlorine (400 °C) b.) 2-Chlorobutane + iodine
neon has a volume of 445 mL when it is at a pressure of 719 mmHg. What will be the volume when the pressure is increased to 1122 mmHg
Question- What resolution would be required to resolve the M+1 ion of Benzene (79.050300) from the M ion of pyridine 79.042199. What sort of mass spectrometer would likely be able to accomplish this
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