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Calculate the equilibrium constant for the weak base CH3NH2, if a solution of the base with an initial concentration of 4.54×10-2 M has a [CH3NH3+] of 0.00425 M (make an exact calculation assuming that initial concentration is not equal to the equilibrium concentration).
CH3NH2 + H2O = CH3NH3+ + OH-
consider the following reaction 3li z li3zwhat is the formula for the compound if we substitute sodium for
Find the temerature at which water boils on a day in the mountains when the barometric pressure is 593 mmHg. (Gien the heat of vaporization of water is 40.79 kJ/mol).
1.628 G Sample Of A Hydrate Of Magnesium Iodide Is Heated Until Its Mass Is Reduced To 1.072 G And All Water Has Been Removed. What Is The Formula Of The Hydrate?
A graduated cylinder contains 152 mL of water. A 14.0 g piece of iron (density = 7.86 rm{g/cm^3}) and a 16.0 g piece of lead are added. What is the new water level in the cylinder?
calculate the molarity of an aqueous naoh solution if 30.10ml of .500m h2so4 is required to reach the end point when
Calculate ?G' and Kp for the following equibibrium reaction at 25'C/ The ?Gf' values are 0 for Cl2(g), -286 kJ/mol for PCl3(g), and -325 kJ/mol for PCl5(g).
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
If the barometric pressure is 784 torr and the experiment is carried out at 25 oC, what is the pressure of the gas collected?
How many calories are required to heat 25.0 g of platinum (specific heat capacity = 0.032 cal/g.K) from 24.5 oC to 75.0 oC?
How many copper atoms and how many zinc atoms are in the penny provided. You will have to do some research to help with this one
a 120-pound person uses 3 calories per minute walking at a 20 minmile pace. approximately how many miles would a person
If the electrons after S_x measured are sent through a Stern - Gerlach analyzer to measure S_z(spin momentum along z-axis) again, what values will be found? with what probabilities will these values occur?
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