What is the ph of a solution prepared by mixing methylamine
What is the pH of a solution prepared by mixing 50.00 mL of 0.10 M methylamine, CH3NH2, with 20.00 mL of 0.10 M methylammonium chloride, CH3NH3Cl? Assume that the volume of the solutions are additive and that Kb = 3.70 x 10-4 for methylamine.
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After dropping off supplies it flies to Lake B, which is 220 km at 30.0° west of north from Lake A. Graphically determine the distance and direction from Lake B to the base camp.
C2H4+2O2= 2CO+2H2O if 2.70 mol C2H4 is reacted with 6.30 mol O2. Identify the limiting reagent
Find the differential equation of a family of circles with center on the line y=-x and passing through the origin
22.4 liters of a gas weighs 70g at S.T.P. Calculate the weight of the gas if it occupies a volume of 20 liters at 27C and 700mm Hg of pressure.
What is the pH of a solution prepared by mixing 50.00 mL of 0.10 M methylamine, CH3NH2, with 20.00 mL of 0.10 M methylammonium chloride, CH3NH3Cl?
Consider two identical rooms: one room has a refrigerator in it, the other does not. All the doors and windows in each room are closed and both rooms are well insulated.
Chlorine has an average atomic mass of 35.453 amu. The main isotopes of chlorine are 35Cl which has an atomic mass of 34.968 amu and 37Cl, which has an atomic mass of 36.956amu. Given this, what is the percent abundance of each isotope in natural
Determine the cell potential for the galvanic cell described below. Pt(s) | BrO4- (10.6 mM), BrO4- (4.9 mM), pH 6.17 ¦ NO3- (12.6 mM), pH 3.2 | NO3(g) (102 mbar) | Pt(s)
How many liters of softened water, containing a sodium concentration of 5.8×10^-2% sodium by mass, have to be consumed to exceed the FDA recommendation (less than 2.4 g sodium per day)? (Assume a water density of 1.0 g/mL.)
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What effect does fascicle arrangement have on a muscle's action? Explain the difference between axial and appendicular muscles.
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Reflect on the quality improvement model RCA (Root Cause Analysis). Consider how it might be implemented in your healthcare organization or nursing practice.
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