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!
Part A: 50 mL of 2.0 M acetic acid (CH3COOH) was titrated with 1.0 M NaOH. What is the pH at the equivalence point of this titration? The ionization constant is 1.8 × 10-5.
1. 7.00 2. 9.52 3. 9.28 4. 9.20 5. 10.52
Part B: A 200 mL sample of 0.5 M N2H4 (hy- drazine) is titrated to its equivalence point with200mLof0.5MHCl. IftheKb ofN2H4 is 2.5 × 10-6, what is the pH of the solution at the equivalence point?
1. 8.5 2. 4.5 3. 1.5 4. 7.0
Calculate the molality of the solution and the 95% CL, and write the final result with correct format.
Explain using Hooke's law why the H-X stretches absorb higher frequency energy than C-X stretches. (X=C,N,O)
a gas cylinder filled with nitrogen at standard temperature andpressure has a mass of 37.289g. the same container
Describe the health and sfety concerns of using H2S and thioacetamide as the S2- donor. which is used most frequently and why is its use preferential?
How many moles of NO are formed from the reaction of 1 mol NH3. If the feed going to the reactor contains (0.430 mol NH3/mol O2), what is the limiting reactant, and the percent excess of the other reactant
Given the following equation. What is the maximum mass of FeO3 that can be prepared when 360.0g of FeS2 are mixed with 47.5g of oxygen gas? A balanced equation is this: 4 FeS2 (s) + 11 O2 (g) ----> 2 Fe2O3 (s) + 8 SO2 (g)
The molar heat capacity of silver is 25.35J/mol*C . How much energy would it take to raise the temperature of 11.9g of silver by 11.6C
Uranium hexaflouride is a solid at room temperature but boils at 56 C. Determine the density of uranium hexaflouride at 60 C and 745 torr.
State a cylinder with a piston contains a sample of gas at 25ocelsius. Explain the pistons move in response to changing pressure inside the cylinder. By what gas temperature would the piston move so that the volume inside the cylinder doubled. Exp..
The Managing Director of a well-known company on Wall Street thrives on a diet of fruit jam, bread, pasta, and coffee. She exercises intermittently. One day she decides to go to her primary healthcare provider for a routine checkup.
Draw the boundary surface diagrams for the following atomic orbitals, including the appropiate axes.
Problem- How many grams of Cr3+ would be reduced to Cr by the same amount of electricity that produces 6.0 g Ag from a solution of AgNO3
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