User Account

All Pages

The oil from the fingers is burned off how does this

Assignment Help Chemistry
Reference no: EM13385164

The crucible is handled with (oily) fingers after its mass measurement but before the ~3g sample of the hydrated salt is measured. The oil from the fingers is burned off. How does this technique error affect the reported percent water in the hydrated salt? Explain

Reference no: EM13385164

Questions Cloud

Their molecules or ions are in close contact and do not : their molecules or ions are in close contact and do not move. a change of state or phase transition is a change of a
What substance would best be used for a boiling chip and : if you were stranded on a desert island and wanted to perform a re-crystallization what substance would best be used
Please use the project from assignment 1 to complete this : please use the project from assignment 1 to complete this assignment which requires that you provide the necessary
Ir wavelengths ultraviolet radiation is of particular : ir wavelengths ultraviolet radiation is of particular relevance to a study of the ozone layer. why? what about uv
The oil from the fingers is burned off how does this : the crucible is handled with oily fingers after its mass measurement but before the 3g sample of the hydrated salt is
If an analytical method has been developed and the : in the olympics and other major athletic competitions a gc-ms is used to screen athletes for their use of banned
Explain why if benzoic acid were substituted for : explain why if benzoic acid were substituted for 2-methoxyphenylacetic acid in this experiment the enantiomeric ratio
Compare the stabilities of each of the four conjugate bases : compare the stabilities of each of the four conjugate bases that would be formed from the doprotonation of the four
Assuming that the 3s- and 3p-orbitals will form molecular : assuming that the 3s- and 3p-orbitals will form molecular orbitals similar to those formed when 2s- and 2p-orbitals

Reviews

Write a Review

Chemistry Questions & Answers

  What is the concentration of an naoh solution

What is the concentration of an NaOH solution that requires 50.0 ml of a 1.25 M H2SO4 solution to neutralize 78.0 ml of NaOH?

  How many molecules of ch3cooh would there be

Household vinegar is 5.0% acetic acid (CH3COOH). IF you have 240.0 mL of vinegar, how many molecules of CH3COOH would there be?

  Explain how many moles are present in the flask

An open flask contains .200 mol of air. Atmospheric pressure is 745 mm hg and room temperature is 68 degrees Fahrenheit. How many moles are present in the flask when the pressure is 1.10 ATM and the temperature is 33 degrees Celsius

  Explain calcium chloride be more or less effective

In the winter time, it is common to sprinkle NaCl on icy roads and driveways. Why is this done? Would calcium chloride be more or less effective

  Explain the value of z eff for the outermost electrons

Detailed calculations show that the value of Z eff for the outermost electrons in Na and K atoms is 2.51+ and 3.49+ , respectively. What value do you estimate for Zeff experienced by the outermost electron in both Na and K by assuming core electro..

  Explain what are the concentrations of the equivalence point

What are the concentrations of the following ions at the equivalence point. Na+, H3O+, OH- C6H5CO2- M Na+ M H3O+ M OH- M C6H5CO2- What is the pH of the solution

  What is the formal charge of the n atom

What is the formal charge of the N atom in the correct or best Lewis structure for CN-?

  Explain which of the atoms has the smallest radius

Which of the following atoms has the smallest radius? At, Br, Ge, or Pb? The answer is Ge. Based on trends, wouldn't Br have a smaller atomic radius than Ge

  Imagine that you dissolve 100g of a mixture of nano3 and

imagine that you dissolve 10.0g of a mixture of nano3 and kf in 100.0g of water and find that the temperature rises by

  Compute the mass of each acid necessary

For each of the following acid-base reactions, calculate the mass (in grams) of each acid necessary to completely react with and neutralize 5.15 of the base.

  What volume of sodium hydroxide solution is required

What volume (in mL) of a 1.420M NaOH solution is required to titrate 25.0mL of 4.50M HCl solution.

  Explain how many moles of hcl must be added to nh3

How many moles of HCl must be added to 1.0 L of 1.0 M NH3(aq) to make a buffer with a pH of 9.00? (pKa of NH4^+ = 9.25)

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