Construct the balanced chemical equation

Assignment Help Chemistry
Reference no: EM13179753

1) draw the lewis structures of the following molecules and whether they are polar covalent or non-polar :

a) BrO3-

b) Cl3PO

2) write the balanced chemical equation and corresponding equilibrium expression for the each step in the ionization of phosphoric acid ( apolyprotic acid ) in water?

3) culculate the pH of the 0.25M NH3 \ 0.30M NH4CL buffer system. what is the pH after the addition of (i) 40ml of 0.15M NaOH and (ii) 30ml of 0.20M HCl to 60ml of thebuffer solution?

5) calculate the percentage ionization of benzoic acid at the following concentration : assume the approximation for both cases to be correct : a) 0.20M b) .0.00020M

Reference no: EM13179753

Questions Cloud

How many pounds of the $20 coffee should be used : A merchant has coffee worth $20 a pound that she wishes to mix with 50 pounds of coffee worth $80 a pound to get a mixture that can be sold for $30 a pound. How many pounds of the $20 coffee should be used.
Define pyridinium chlorochromate : Compound A (C11H16O) has a band in the IR spectrum at 3450 cm%u20131 (strong, broad) and does not react with pyridinium chlorochromate (PCC) in CH2Cl2
By what percent does the substance decay each year : Forty percent of a radioactive substance decays in three years. By what percent does the substance decay each year? (Round your answer to three decimal places.)
How were you able to find the 5th root of 32 : How were you able to find the 5th root of 32? If I asked you to find the 3rd root of 48, how you go about solving that? This is a follow up to the question you answered about What is a rational expression.
Construct the balanced chemical equation : write the balanced chemical equation and corresponding equilibrium expression for the each step in the ionization of phosphoric acid ( apolyprotic acid ) in water?
Determination of capital gains tax : What is Jessie's cost base for the determination of Capital gains tax?
How long will it take for the two trains to meet : Two trains leave stations 588miles apart at the same time and travel toward each other. One train travels at 95miles per hour while the other travels at 115miles per hour. How long will it take for the two trains to meet.
Provide a symbolic rule for the students final percentage : Let S represent the student s score of the final exam. Provide a symbolic rule for the students final percentage score.?
Difference between the population policies of china nd india : India`s population is expected to overtake that of China within the next decade, what differences between these two nations could have contributed to this outcome? What are some of differences between the population policies of China and India?

Reviews

Write a Review

Chemistry Questions & Answers

  How many grams of water are present in the sample

The freezing point (Tf) for t-butanol is 25.50°C and Kf is 9.1°C/m. Usually t-butanol absorbs water on exposure to the air. If the freezing point of a 9.2-g sample of t-butanol is measured as 24.59°C, how many grams of water are present in the sam..

  Calculate the final temperature of the mixture

A 27.0-g sample of water at 270. K is mixed with 49.0 g water at 340. K. Calculate the final temperature of the mixture assuming no heat loss to the surroundings.

  Calculate the final temperature of the mixture

A 31.0-g sample of water at 270. K is mixed with 51.0 g water at 340. K. Calculate the final temperature of the mixture assuming no heat loss to the surroundings.

  What is the average thickness of the sheet in meters

If a 190 piece of gold (density =19.32 ) is hammered into a sheet measuring 2.21.0 , what is the average thickness of the sheet in meters?

  Explain the debye-huckel limiting law

Find the pH of a 0.2 m solution of acetic acid. Ka for acetic acid at 25 degrees C is 1.75 x 10^-5. a.) assume ideal behavior

  State what is the observed specific rotation of the mixture

a sample contains 67.0% of the R isomer and 33.0% of its enantiomer, what is the observed specific rotation of the mixture?

  What is the grams of chlorine

a 19.3 g mixture containing sodium sulfide and calcium chloride. 86.9% sodium sulfide and 63.9% by mass chlorine. what is the grams of chlorine?

  What is the formula of the zinc sulfate hydrate

What is the formula of the zinc sulfate hydrate? name this compound

  To what height does the water rise in the cylinder

you have a 100 mL graduated cylinder containing 50 mL of water. You drop a 175 g piece of brass(density 8.56g/cm^3) into the water. To what height does the water rise in the cylinder?

  How does direct current break apart water molecule

how does direct current break apart water molecule? Does the DC current fill the outer shell full of electrons making a weaker attraction so hydrogen seperates from oxygen?

  What is the molarity of hno3

25.0 mL of 1.50M LiOH are neutralized by 15.0mL of nitric acid. what is the molarity of HNO3?

  Predominant organic acids present in softwoods

Predominant Organic Acids Present in Softwoods such as Pine, A wood chemistry course in which we are asked to explain the hierarchy of the organic wood acids present in softwood species like pine or spruce.

Free Assignment Quote

Assured A++ Grade

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!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd