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.
Expected delivery within 24 Hours
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.)
1929466
Questions Asked
3,689
Active Tutors
1421254
Questions Answered
Start Excelling in your courses, Ask a tutor for help and get answers for your problems !!
Question: You notice that whenever your counterpart's staff is present for meetings, discussions tend to get heated.
Based on the readings, which offer valuable insights into how early experiences shape a child's psychosocial and emotional development,
Post a description of how the supervisor should address the supervisee's knowledge and/or skill deficit (i.e., what should the supervisee have known
Question: Which of the following is not a characteristic of self-evaluation?
Question: After briefly researching COVID-19, discuss one way the pandemic affected behavior or social order.
How will Xanax act in the nervous system to help relieve Martha's stress and anxiety?
Why is self-care so important? Self-care keeps me from burning out, helps me stay happy and focused on work,