Evaluate the ph if 0.03 mol hcl of a buffer solution

Assignment Help Chemistry
Reference no: EM13563112

Calculate the pH if 0.03 mol HCl is added to 0.500 L of a buffer solution that is 0.24 M NH3 and 0.20 M NH4Cl ? For NH3 Kb= 1.8 x 10-5.

Reference no: EM13563112

Questions Cloud

Explain intermolecular forces by strength : In the context of small molecules arrange these intermolecular forces by strength:hydrogen bonding, london dispersion forces, and dipole-dipole interactions
Direction of the force of the block on the horizontalsurface : A block with a weight of 3.0 N is at rest on a horizontalsurface. A 1.0 N upward force is applied to the block by meansof an attached vertical string. What are the (a) magnitude of and(b) direction of the force of the block on the horizontalsurface?
Prepare a speech about cybercrimes : Prepare a Speech about cybercrimes by stating that plagiarised a quote, and that is a cybercrime.
How much heat did the gas absorb : A cylinder containing an ideal gas has a volume of 2.0 m3 and apressure of 1.0 × 105 Pa at a temperature of 300 K. Thecylinder is placed against a metal block that is maintained at 900K and the gas expands as the pressure remains constant until th..
Evaluate the ph if 0.03 mol hcl of a buffer solution : Calculate the pH if 0.03 mol HCl is added to 0.500 L of a buffer solution that is 0.24 M NH3 and 0.20 M NH4Cl. For NH3 Kb= 1.8 x 10-5.
How fas was the snowball travelling when it was thrown : As now ball which is thrown horizontally from the top of abuilding that is 11.0 m high lands 24.0 m from the base of thebuilding. How fas was the snowball travelling when it was thrown
Find the heat transfer area required if flow is co-current : A stream of oil,with specific heat 2.4 kJ/kg K, flowing at 1000 kg/hr is to becooled from 130°C to 80°C in a heat exchanger, Calculate the heat transfer area required if the flow is co-current
Define compound reacts with moisture in the air : Calcium oxide is sometimes very challenging to store in the chemistry laboratory. This compound reacts with moisture in the air and is converted to calcium hydroxide.
Bat crashes into vertical front of accelerating subway train : A bat crashes into the vertical front of an accelerating subway train. If the coefficient of friction between the bat and the trainis 0.86, what is the minimum acceleration of the train that willallow the bat to remain in place?

Reviews

Write a Review

Chemistry Questions & Answers

  Based on molecular structure arrange each of the following

based on molecular structure arrange each of the following sets of molecules in order of increasing acidity. explain

  Explain what will happen to the pressure if 1 mole of n2 gas

What will happen to the pressure if 1 mole of N2 gas is added to the container while keeping the temperature and size of the container the same

  What is the pressure of the nitrogen gas

A sample of nitrogen gas is collected over water at a temperature of 23.0 degrees Celcius. What is the pressure of the nitrogen gas if atmospheric pressure is 785 mm Hg?

  Which of the following is a neutralization reaction

Which of the following is a neutralization reaction?

  Calculate the amount of energy needed in calories to heat

calculate the amount of energy needed in calories to heat 145 g of water from 22.3 degrees celsius to 75.0 degrees

  The rate of an enzyme-catalyzed reaction usually increases

The rate of an enzyme-catalyzed reaction usually increases with temperature, but then decreases after reaching the "optimal temperature."

  Calculate the theoretical yield of c2h5cl

When ethane (C2H6) reacts with chlorine (Cl2) the main product is C2H5Cl; but other products containing Cl (chlorine), such as C2H4Cl2, are also obtained in small quantities. The formation of these other products reduces the yield of C2H5Cl. In a ..

  Explain e2 pathway when acetone is used as the solvent

Comment of the fact that erythro-2,3-dibromo-3-phenylpropanoic acid undergoes elimination by an E1 pathway in water solvent, but by and E2 pathway when acetone is used as the solvent.

  Explain collisions required to slow a neutron from an energy

Calculate the number of collisions required to slow a neutron from an energy of 2.85 MeV to a thermal energy of 0.025 eV, using a moderator with an average logarithmic energy decrement of .955.

  Explain how many liters of gasoline burn

how many liters of gasoline would you need to buy to complete a 142- trip in Europe? Use the following conversions

  State what is the molarity of the acetic acid

A solution of vinegar is 4.68% by mass acetic acid in water. Assuming the density of vinegar is 1.00 g/mL , what is the molarity of the acetic acid.

  Explain how many calories of heat must be added to raise

how many calories of heat must be added to raise the temperature of 40 g of water fro 25 Celsius to 50 Celsius

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