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!
Consider the titration reaction of hydrochloric acid and sodium hydroxide. If 4 mL of a 10M solution of sodium hydroxide is tritrated with a 5 M solution of HCl, determine how many milliliters of HCl is required for complete neutralization.
a. 8 mL
b. 9 mL
c. 12 mL
d. 14.23 mL
e. 16.92 mL
A 5.0 L bulb filled with 175 torr of He and a 7.5 mL bulb filled with 325 torr of Kr are connected together allowing the gases to mix. What is the final pressure in the combined bulbs, assuming the gases behave ideally and the volume of the connec..
A 23.45g piece of iron and a 29.95g piece of gold at 100.00C were dropped into 530ml of water at 16.05C. The molar heat capacities of iron and gold are 25.19 (j/mol x C) and 25.41 j/(mol x C). respectively. What is the final temperature of water a..
An interstitial alloy prepared from two metals. metal A with the larger atomic radius has a hexagonal closed-packed structure. What if the formula(for example:A2B,AB,AB2)of the alloy if atoms of metal B occupy the following?
How many moles of H3O+ or OH - must you add per liter of HA solution to adjust its pH from 9.80 to 8.91? Assume negligible volume change.
Data Table: Mass MgO: 2.8045g initial temperature(°C): 24.99°C final temperature(°C): 25.00 °C Calculate the number of moles of MgO used in the reaction. The molar mass of MgO is 56.305 g/mole.
State whether you expect the following molecules to be polar or non-polar and arrange the molecules in increasing order of dipole moment.
Sample size is given as 10 grams - you need to measure weight since many of the materials contain solids as well as liquid. Identity and expected concentration of ingredient to analyze?
If the Ka of a monoprotic weak acid is 8.0 × 10-6, what is the pH of a 0.41 M solution of this acid
Consider the titration of 100.0 mL of 0.100 M H2NNH2 (Kb = 3.0 X 10^-6) by 0.200 M HNO3. Calculate the pH of the resulting solution after 20.0 mL have been added.
Consider the reaction between 15 mL of a 1.00 M aqueous solution of AgNO3 and 10 mL of a 1 M aqueous solution of K2CrO4. When these react, a precipitate is observed. What is present in solution after the reaction is complete
The excess HCl in the solution required 94.9 mL of 0.128 M NaOH for complete neutralization in a titration. What was the molecular formula of the white substance
Explain the effect of the following experimental errors on your results: a) You add hexane to the reaction flask instead of 1-hexene b) You use 3% hydrogen peroxide instead of 30% c) You forget to add potassium carbonate in the seperation step.
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