Explain what value of ph can juan obtain from the data

Assignment Help Chemistry
Reference no: EM13523070

Juan performed a calorimetry experiment to determine ?H for the following reaction:

KOH (s) -> K+ (aq) + OH- (aq)

His calorimeter contained 64.0 g of water at an initial temperature of 20.7°C. When he added 1.65 g of KOH (s) to the calorimeter, the temperature rose to 26.9°C. What value of ?H can Juan obtain from his data?

Reference no: EM13523070

Questions Cloud

Product structure tree for the coffee table : Construct the product structure tree for the coffee table and all of the items required to construct the table - complete the MRP for the coffee table and all of the items required to construct the table.
Determine the total time the blue car is moving : Two cars start from rest at a red stop light. When the light turns green, both cars accelerate forward. What is the total time the blue car is moving
Explain methyl alcohol and ethyl alcohol : How many grams each of the following, per 1000g of water in your car radiation, are needed to give equal protection against freezing down to -10 degrees C? (a) Methyl alcohol, CH3OH (b.p. 65 deg C), (b) ethyl alcohol,
What is the total cost to produce the disks for the year : What is the total cost to produce the disks for the year? All workers will be fully utilized each quarter, in other words, there is no under utilization.
Explain what value of ph can juan obtain from the data : His calorimeter contained 64.0 g of water at an initial temperature of 20.7°C. When he added 1.65 g of KOH (s) to the calorimeter, the temperature rose to 26.9°C. What value of pH can Juan obtain from his data
What is its average acceleration during that contact : To test the quality of a tennis ball, you drop it onto the floor from a height of 4.26 m. what is its average acceleration during that contact
What order quantity do you recommend that mac order : What order quantity do you recommend that Mac order from the scanner manufacturer and how much more expensive is the next lowest cost option
Find how long does the package take to reach the ground : A hot-air balloon is ascending at the rate of 12 m/s and is 98 m above the ground when a package is dropped over the side. How long does the package take to reach the ground
Explain what was the solid and how did it form : Finally realizing her mistake, she acidified the filtrate and a white solid precipitated, but its melting point was different from that of dimedone. What was this solid, and how did it form

Reviews

Write a Review

Chemistry Questions & Answers

  Explain thermal decomposition reaction to form gold

Gold (III) oxide, Au2O3, undergoes a thermal decomposition reaction to form gold metal and oxygen gas. Write a balanced molecular

  State and identify the reaction as precipitation

Identify the reaction as precipitation, acid-base, oxidation-reduction and/or gas forming. What is the concentration of the unknown solution

  Calculate the concentration of ammonium ions and sulfate ion

A solution is prepared by dissolving 13.3 g ammonium sulfate in enough water to make 100.0 mL of stock solution. A 11.50 mL sample of this stock solution

  What is the molar enthalpy of vaporization of chlorine

At its boiling point of -34.0 degree Celsius, 6.33 kJ of heat is required to vaporize 22.0 g of chlorine (Cl2). What is the molar enthalpy of vaporization of chlorine.

  223 g of a substance x dissolves in enough water to make

22.3 g of a substance x dissolves in enough water to make 0.507 l of a 0.779 m solution. calculate the molar mass of x

  State a quirky promotion by a discount sporting goods store

During a quirky promotion by a discount sporting goods store, golf balls were given away free when purchasing Ping-Pong balls in bulk. An equal mass of golf balls was given away based on the mass of ping

  Explain what is the lewis structure and molecular shape

What is the lewis structure and molecular shape around the carbons in CCl2CH2 as predicted by the VSEPR theory?

  Depict the molecular orbital energy level diagram

In a particular photoelectron spectrum using 21.21 eV photons, electrons were ejected with kinetic energies of 10.01 eV, 8.23 eV, and 5.22 eV. Sketch the molecular orbital energy level diagram for the species, showing the ionization energies of th..

  State hydrogen peroxide and a concentrated sodium hydroxide

Write balanced, net ionic equations when the following compounds are mixed. Indicated mixtures where no reaction is expected with the notation no rxn.

  How many grams of potassium hydroxide must be used

To prepare 5.0 L of a 3.50 M solution of Potassium Hydroxide (KOH), how many grams of Potassium Hydroxide must be used?

  Explain what is the oxidation state of copper

The minerals chalcocite (Cu2S) and malachite (Cu2CO3(OH)2) are two primary sources of copper. What is the oxidation state of copper in each of these minerals?

  How to calculate the ph during the titration of koh

Calculate the pH during the titration of 21.7 mL of 0.451 M KOH with 0.212 M HBr after 18.3 mL of the acid have been added.

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