Clculate the heat evolved by burning one mole of a c20h40

Assignment Help Chemistry
Reference no: EM13637763

Calculate the heat evolved by burning one mole of a C20H40 if a 0.50 gram samplecauses the temperature of 2.50 Kg of water to rise3.46oC (water specific heat is 4.2J/goC)

Reference no: EM13637763

Questions Cloud

Create a 95 confidence interval for the slope of the : the following is the results of a regression analysis of vehicle fuel efficiency mpg and vehicle weight in thousands of
Ethan c2h6 has a molar heat of vaporization of 15kjmol how : 1. the volume of an ideal gas is 2.06l and standardtemperature and pressure. caculate the volume at 1.75atm and
Can a test of significance show a statistically significant : can a test of significance show a statistically significant relationship while a measure of association shows a weak
A cylindrical cable with 211 x 10-8 m resistivity carries a : a cylindrical cable with 2.11 x 10-8 m resistivity carries a current of 1300 a. there is a potential difference of 2.0
Clculate the heat evolved by burning one mole of a c20h40 : calculate the heat evolved by burning one mole of a c20h40 if a 0.50 gram samplecauses the temperature of 2.50 kg of
A thunderstorm drops half an inch of rain which is about : a thunderstorm drops half an inch of rain which is about 1.27cm on chicago which covers are area of about 228 square
If you want to change the buffer composition of aprotein : 1. a 100 kda protein is found to have a diffusioncoefficient value of 9.6 x 10-7 in water at 37 cm2sdegrees c. assuming
This was repeated three times for each participant and the : some researchers in understanding g-loads on humans are interested in methods that can be used to assist pilots
Two wires are identical except that one is aluminum and one : two wires are identical except that one is aluminum and one is copper. the aluminum wire has a resistance of 0.832.

Reviews

Write a Review

Chemistry Questions & Answers

  Explain what physical quantity is represented

Consider the fundamental units of each term in the equation. What physical quantity is represented on each side of the equation

  Amount of solid deposited at the bottom of the flask

The surface area of 100 g of glucose > than that of 1 g. give explanation why the solubility does not increase with the amount of solid deposited at the bottom of the flask?

  State what is the specific rotation of the pure r isomer

Consider a solution that contains 72.0% R isomer and 28.0% S isomer. If the observed specific rotation of the mixture is -41.0°, what is the specific rotation of the pure R isomer

  State what would be the charge of the imidazole side chain

What would be the charge of the imidazole side chain of histidine at pH 7? Assume the pKa of the side chain is 6.0. 8) Assume the pKa of the alpha-carboxyl group = 2.0 and the pKa of the alpha-amino group = 10.0. What would be the net charge of gly..

  Explain substances in order of increasing acid strength

Given the following substances in order of increasing acid strength,HOCl(aq)

  How many grams of sodium oxide will be formed

how many grams of sodium oxide will be formed if 46 grams of sodium are used in the reaction. 4Na + O2 yields 2Na2O

  Plot titration curve for same titration if concentration of

a solution of volume 25.00 ml containing 0.0311 m na2c2o4nbspwas titrated with 0.0257 m laclo43nbspto precipitate

  Why standard hydrogen electrode is used as the cathode

A copper, Cu(s), electrode is immersed in a solution that is 1.00 M in ammonia, NH3, and 1.00 M in tetraamminecopper(II), [Cu(NH_3)_4]^{2+}. If a standard hydrogen electrode is used as the cathode, the cell potential, E_cell, is found to be 0.076 ..

  Explain elements with an atomic number

Which elements with an atomic number greater then 40 can be expected to have chemical properties similar to those of the element Br and what is the periodicity of the two

  Explain nitinol is a alloy of nickel and titanium

The memory metal, nitinol, is a alloy of nickel and titanium. It is called a memory metal because after being deformed, a piece of nitinol wire will return to its original shape

  What is the density of the gas

An unknown sample of gas was put into a jar with a sample of nitrous oxide gas. The density of the gas is 1.098 g/L at 25 degree celcius when the atmospheric pressure is 756 torr.

  The water is then cooled at constant pressure causing the

a piston-cylinder contains h2o at 15 bar and a temperature of 400 degc. the water is then cooled at constant pressure

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