Already have an account? Get multiple benefits of using own account!
Login in your account..!
Remember me
Don't have an account? Create your account in less than a minutes,
Forgot password? how can I recover my password now!
Enter right registered email to receive password!
Equilibrium shift of the reaction and the pH of solution
1. The pressure on each of the following systems is decreased from 5 atm to 1 atm. Which way does the equilibrium shift in each of the following systems?
a.) 2CO2 (g) --> 2CO (g) + O2 (g)b.) H2 (g) + I2 --> 2HI (g)
2. What is the pH of a solution if the H+ concentration is 7.2 X 10^-14 M?Is this neutral, acidic, or basic?
3. Calculate pKa for the weak acid with a Ka value of 6.3 x 10^-3
4. Classify the salt NaF as acidic, basic, or neutral? Write a net ionic equation to explain your answer.
Calculate how many molecules of C 2 H 6 S (ethyl mercaptan )are contained in 1.0 micro liter sample if the given density = 0.84 g/mL
how many Liters of water can be made from 34 grams of oxygen gas and 6 grams of hydrogen gas at STP? what is the limiting reactant for this reaction?
Determine the trend in sizes of the ions O 2- ,N 3- , F - and also explain why does the trend exist? Also describe which of the molecules contains polar covalent bonds but is NOT itself a polar molecule?
How much heat (in kJ) is evolved in converting 1.00 of steam at 150.0 to ice at -55.0? The heat capacity of steam is 2.01 and of ice is 2.09.
An alien rocketship is traveling at a speed of 40 inches per minute. At this speed, how many feet will it travel in 1 second? Round to the nearest thousandth.
4 KO2 + 2 H2O + 4 CO2 4 KHCO3 + 3 O2 1.86 moles of O2 were produced.Now, How many molecules of O2 does this number of moles represent.
Consider a linear string of five hydrogen atoms, H^5. Determine the net overlap for each molecular orbital and classify it as bonding, nonbonding, or anti-bonding.
Determine the molecular formula of the compound with molar mass 336.5g mol-1 and empirical formula C 5 H 8 O?
Calculating Value of Kb in Substances and pKb for Base, Codeine (C18H15NO3) is a weak organic base. A 5.0x10-3 solution of codeine has a pH of 9.95.
A 1.0-L buffer solution is 0.105M in HNO 2 and 0.145M in NaNO 2. Determine the concentrations of HNO 2 and NaNO 2 after addition of 1.4g NaOH.
The solubility of CO2 in water at 25°C and 1 atm is 0.034 mol/L. What is its solubility under atmospheric conditions? (The partial pressure of CO2 in air is 0.0003 atm.) Assume that CO2 obeys Henry's law.
2.0 moles of a nonelectrolyte solute are added to 1.0 kg of an unknown solvent. The freezing point is depressed by 7.9 K. Calculate the molal freezing point constant (Kf?) for this solvent.
Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!
whatsapp: +1-415-670-9521
Phone: +1-415-670-9521
Email: [email protected]
All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd