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.
1924297
Questions Asked
3,689
Active Tutors
1426071
Questions Answered
Start Excelling in your courses, Ask a tutor for help and get answers for your problems !!
Question: Which assessment finding indicates to the nurse that an older adult client is at risk at developing an infection?
Beatrice is a 35-year-old client who has been experiencing lighter periods for the past few months and even missed a period of 1 month.
If the Chief Complaint (CC): The patient reported "a scaly, circumscribed, erythematous lesion on her trunk with a central clearing area".
Identify and discuss potential diversity in the group that you anticipate teaching. (Diversity can include multiculturalism, age, gender, ethnicity, socioeconom
Identify a specific health outcome or public health concern within a defined population, where health behaviour(s) plays an important role
While evaluating a 8 year old patient in your clinic for a sick visit, you auscultate crackles in the poster left lover lobe, have the patient cough
The facility may struggle with providing proper hygiene for the patients or residents, offer social interactions with others, and provide timely medical care.