Chemistry

Replies / Views	Last post
The pH of a 0.150 M solution of a weak base is 10.98. Calculate the pH of a 0.0639 M solution of the base. Started by ghost!	1 Replies 180 Views	Mar 21, 2021 by dawsa925
The hydrogen sulfate or bisulfate ion HSO4 can act as either an acid or a base in water solution. In ... Started by Jkov05	1 Replies 90 Views	Mar 21, 2021 by meltdown117
The hydrogen halides (HF, HCl, HBr, and HI) are all polar molecules. The strength of the acid each ... Started by cartlidgeashley	1 Replies 86 Views	Mar 21, 2021 by yahahah24021
The following three equations represent equilibria that lie far to the right.HNO3(aq) + CN(aq) ... Started by tingc95	1 Replies 93 Views	Mar 21, 2021 by ttt030911
The following three equations represent equilibria that lie far to the right.HNO3(aq) + CN(aq) ... Started by burton19126	1 Replies 69 Views	Mar 21, 2021 by peilian
The following question refers to a solution that contains 1.89 M hydrofluoric acid, HF (Ka = 7.2 ... Started by kellyjaisingh	1 Replies 82 Views	Mar 21, 2021 by hramirez205
The equilibrium constants (Ka) for HCN and HF in H2O at 25C are 6.2 1010 and 7.2 104, respectively. ... Started by viki	1 Replies 94 Views	Mar 21, 2021 by CourtneyCNorton
The dihydrogenphosphate ion, H2PO4-, has both a conjugate acid and a conjugate base. These are, respectively: Started by magmichele12	1 Replies 103 Views	Mar 21, 2021 by coreycathey
The autoionization of water, as represented by the below equation, is known to be endothermic. Which ... Started by codyclark	1 Replies 80 Views	Mar 21, 2021 by mmpiza
The [OH] in a 0.75 M pyridine (C5H5N; Kb = 1.7 109) solution is: Started by jho37	1 Replies 62 Views	Mar 21, 2021 by smrerig
Solid calcium hydroxide is dissolved in water until the pH of the solution is 11.35. The hydroxide ... Started by saraeharris	1 Replies 71 Views	Mar 21, 2021 by hollysheppard095
In which of the following reactions does the H2PO4 ion act as an acid? Started by jjjetplane	1 Replies 53 Views	Mar 21, 2021 by amcvicar
In the reaction:CuO(s) + CO2(g) CuCO3(s) Started by renzo156	1 Replies 58 Views	Mar 21, 2021 by aliotak
In a solution prepared by dissolving 0.100 mole of propanoic acid in enough water to make 1.00 L of ... Started by tingc95	1 Replies 96 Views	Mar 21, 2021 by johnharpe
If the molarity of an HOCl solution was decreased from 0.70 M to 0.30 M, which one of the following ... Started by karlynnae	1 Replies 179 Views	Mar 21, 2021 by 1_Step_At_ATime
If Ka for HCN is 6.15 1010, what is Kb for CN? Note: CN + H2O HCN + OH Started by imowrer	1 Replies 47 Views	Mar 21, 2021 by missalyssa26
Hypobromous acid, HOBr, has an acid dissociation constant of 2.5 10-9 at 25C. What is the pOH of a ... Started by abern	1 Replies 141 Views	Mar 21, 2021 by laurnthompson
HA and HB are both weak acids in water, and HA is a stronger acid than HB. Which of the following ... Started by misspop	1 Replies 64 Views	Mar 21, 2021 by peter
Given the following acids and Ka values:HClO4HC2H3O2HCNHF1 1071.76 1054.93 10103.53 104What is the ... Started by Kthamas	1 Replies 72 Views	Mar 21, 2021 by mcomstock09
Given that the Ka for HOCl is 3.46 108, calculate the K value for the reaction of HOCl with OH. Started by FButt	1 Replies 53 Views	Mar 21, 2021 by Mollythedog
For the stepwise dissociation of aqueous H3PO4, which of the following is not a conjugate acidbase pair? Started by deesands	1 Replies 131 Views	Mar 21, 2021 by Sammyo
For nitrous acid, HNO2, Ka = 4.0 104. Calculate the pH of 0.14 M HNO2. Started by washai	1 Replies 142 Views	Mar 21, 2021 by zogaridan
Determine the percent dissociation of a 0.17 M solution of hypochlorous acid, HClO. The Ka for the ... Started by Davideckstein7	1 Replies 91 Views	Mar 21, 2021 by emilymalinowski12
Consider the reaction HOCl + F HF + OClGiven that Ka for HOCl is 3.5 108 and the Ka for HF is 7.2 ... Started by olgavictoria	1 Replies 88 Views	Mar 21, 2021 by efwsefaw
Consider the reaction HNO2(aq) + H2O(l) H3O+(aq) + NO2(aq). Which species is a conjugate base? Started by nramada	1 Replies 98 Views	Mar 21, 2021 by kaylee05