User Account

All Pages

What is the ph of a solution

Assignment Help Chemistry
Reference no: EM13293415

NH3 is a weak base (Kb=1.8 x 10^-5) and so the salt NH4Cl acts as a weak acid. What is the PH of a solution that is 0.049 M in NH4Cl?

Reference no: EM13293415

Questions Cloud

What are the original eight transmitted message bits : let a character stream fromthis source be Huffmancoded. Then, let groups of consecutive four message bitsbe encapsulated into 8-bit SEC-DED Hamming code words.Suppose the following two Hamming are received:0101111001100001.
Define uv spectrum : Provide a structure for the following compound: UV spectrum: ?max = 272 nm (? = 39,500); EI mass spectrum: m/z = 129 (molecular ion and base peak); IR: 2200, 970 cm-1; 1H NMR: ? 5.85 (1H, d, J = 17 Hz); ? 7.35 (1H, d, J = 17 Hz); ? 7.4 (5H, appare..
Determine the force of the wind on the boat : A 9770 kg sailboat is moving through the waters of the Atlantic. Initially, the boat is traveling at 28 mph, 19 degrees East of North. What is the force of the wind (Fwind) on the boat
Design aresistance circuit to accomplish the measurements : A (0-10A) range ammeter has an internal resistance of 0.0002Ohms. It is necessary to use this meter for measuring a currentwhich is likely to be in the range of (0-70A) Amperes. Design aresistance circuit to accomplish the above measurement.
What is the ph of a solution : NH3 is a weak base (Kb=1.8 x 10^-5) and so the salt NH4Cl acts as a weak acid. What is the PH of a solution that is 0.049 M in NH4Cl?
Explain lf the catalyzed decomposition of nro occurs : lf the catalyzed decomposition of NrO occurs first at a Tr:341 K and then atTr = 229 K, with a k/k, ratio of 0.500, what is the activation energy
What annual contributions to the retirement fund : During the period before retirement you can earn 9 percent annually, while after retirement you can earn 11 percent on your money.
What is the kinetic energy of the runner : The runner turns around and runs in the -x direction at the same speed. Now what is the kinetic energy of the runner
Researchers have estimated the long run demand elasticity : Researchers have estimated the long run demand elasticity for almonds is -0.47, and the long run supply elasticity is 12.0. The short run demand elasticity for almonds is -0.30

Reviews

Write a Review

Chemistry Questions & Answers

  State methane diffuses as fast as an unknown gas

Methane diffuses approximately 2.43 times as fast as an unknown gas. Which of the following could be and unknown gas?

  The definitions of the arrhenius and the bronsted-lowry

In aqueous solution, which of the following would be an acid according to the definitions of the Arrhenius, the Brønsted-Lowry, and the Lewis theories?

  State sodium sulfate how many grams of solid ppt

sodium sulfate how many grams of solid ppt will be formed. How many grams of reactant in excess will remain. What is chemical equation

  Find what was the unknown volume

An unknown volume of water at 18.2 degrees Celsius is added to 21.6 mL of water at 35.0 degrees Celsius. If the final temperature is 23.5 degrees Celsius, what was the unknown volume. Assume that non heat is lost to the surroundings; d of water is..

  Conditions under which gases behave most ideally

Fundamentals of chemistry - The conditions under which gases behave most ideally and Under the Bronsted?Lowry definition a base

  How many milliliters poured on the spill to react completely

An auto mechanic spills 72 mL of 2.6 M H2SO4 solution from a rebuilt auto battery. How many milliliters of 1.5 M NaHCO3 must be poured on the spill to react completely with the sulfuric acid?

  Compute the ionic strength solution of acetic buffer

Calculate the ionic strength of 100mM solution of Mg3(PO4)2 in acetic buffer

  Write the expression for the base dissociation constant

write the expression for the base dissociation constant for hydrazine, N2H4, a weak base. Hydrazine reacts with water to form the N2H5+ ion.

  What is the ph of a buffer system

What is the pH of a buffer system that contains 0.240 M hydrocyanic acid HCN and 0.190 M sodium cyanide NaCN? The pKa of hydrocyanic acid is 9.31.

  Define what is the rate of appearance of p in mol

For the following reaction: 2A + B + C --> 3P If the rate of disappearance of A ((delta)A/(delta)t) is -0.77 mol/(L s), what is the rate of appearance of P in mol/(L s)?

  Explain what is the limiting reactant when ammonium nitrate

What is the limiting reactant when ammonium nitrate is synthesized from its elements in their standard states and 1.0 L of all reactants are used at a constant pressure and temperature

  State the approximate thickness of the foil in millimeters

which weighs approximately 8.6 oz. Aluminum has a density of 2.70g/cm^3. What is the approximate thickness of the foil in millimeters?

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!

Submit Assignment

Academics

Major Subjects

Majors

Get In Touch

whatsapp: +1-415-670-9521

Phone: +1-415-670-9521

Email: [email protected]

TERMS & POLICIES

HELP & SUPPORT

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