Calculate the ph of the mixture
A solution is prepared by dissolving 0.535 g of NH4Cl in 250.0 ml of 0.080 M NH3.
a. Calculate the pH of the above mixture. Kb = 1.8 x 10-5
b. Would the pH increases or decreases if the solution is disturbed by adding HBr?
Expected delivery within 24 Hours
Explain why the swirling of a solution and its drying agent hastens the drying process.
The calorimeter had a heat capacity of 950.0 J °C-1. The temperature of the entire system rose from 25.30 °C to 26.59 °C. Calculate the heat of reaction, in kJ, per mole of KOH(aq).
Derive a frequency response curve for a low-pass RC filter in which R= 2.5 k ohms and C = 0.015 F. Cover a range of (Vp)0/(Vp)1 of 0.00I to 0.999. Plot (Vp)0/(Vp)i versus in f
The compound ZnI4 is best described as anions in a face-centered cubic unit cell with the cations in the tetrahedral holes. What is the density of this compound? The radius of I- is 216 ppm, and the molar masses are Zn = 65.4 g/mol, and I = 126.9
A solution is prepared by dissolving 0.535 g of NH4Cl in 250.0 ml of 0.080 M NH3. a. Calculate the pH of the above mixture. Kb = 1.8 x 10-5
Determine whether a precipitate will form from the following reactants and if one does form, write the total and net ionic equations and identify the spectator ions.
Assuming that within metal crystals, the atoms can be considered as hard spheres in contact, sketch arrangement of atoms in a (100) plane, a (110) plane and a (111) plane of face-centered cubic structure. Determine the number of atoms contained withi
What is the lewis dot structure for IF6 (iodine hexaflouride)
Consider the titration of 100.0 mL of 0.100 M H2NNH2 (Kb = 1.8 multiplied by 10^-5) by 0.200 M HNO3. Calculate the pH of the resulting solution after the following volumes of HNO3 have been added.
1946434
Questions Asked
3,689
Active Tutors
1412920
Questions Answered
Start Excelling in your courses, Ask a tutor for help and get answers for your problems !!
Place each characteristic in the correct area on the Venn diagram, whether it corresponds to Australopithecus, Homo habilis, or both
Identify the major source of energy for living organisms and the main process by which that energy is captured and stored on Earth.
Permeability is a common bottleneck for PROTACs; however, for other drug types, how is it decided which parameter is the bottleneck?
Name and describe the three major defining features of the genus Homo, and note how they are different from australopithecines.
You have not correctly identified the cofactor that adds a thiazolium ring to pyruvate's a carbon, and then acts as an electron sink to stabilize
Question: Which of the principles describes the relationship between relative age and the evolution of life?
Question: Why does the invasive brown treesnake have a negative effect on the biodiversity of Guam