A stoichiometrically equivalent amount of fe2o3

Assignment Help Chemistry
Reference no: EM13544505

Calculate the enthalpy change for the thermite reaction:
2Al(s)+Fe2O3(s)→2Fe(s)+Al2O3(s), ΔH°rxn=-850 kJ
when 8.00mol of Al undergoes the reaction with a stoichiometrically equivalent amount of Fe2O3

Reference no: EM13544505

Questions Cloud

Calculate how many chlorine atoms will be in an average : Calculate how many chlorine atoms will be in an average neoprene chain? b) Sketch the bonding between polychloroprene chains due to sulfur linkages as neoprene is vulcanized into an elastomer. c) You decide to go swimming in Bear Lake in late Novembe..
What should be the mixture ratio of pure water to river : A river with 400 ppm of salts (a conservative substance) and an upstream flow of 25 m^3/s receives an agricultural discharge of 5.0 m^3/s carrying 2000 mg/L of salts. The salts quickly become uniformly distributed in the river
What is the gage pressure in chamber a : Two chambers, A and B both have manometers with the same fluid with specific gravity 1.4. When h(sub a) = 6 cm and h(sub b) = 4 cm, what is the gage pressure in chamber A?
What is the value of ka for ha : A 0.15 M aqueous solution of the weak acid HA at 25.0 C has a pH of 5.35. What is the value of Ka for HA ?
A stoichiometrically equivalent amount of fe2o3 : A stoichiometrically equivalent amount of Fe2O3
Bohr model of the hydrogen atom is incorrect : Which of the following statements regarding the Bohr model of the hydrogen atom is incorrect?
Calculate and display the altitude and velocity of rocket : Write a program that will solve the problem specified above( for the rocket). However, lit user of your program is to insert the starting height, and the time the rocket travels.
What is the average inventory of part x : b. What is the average inventory of part X?
Why is operations management relevant to managers : Why is operations management relevant to managers in other organization functions? Base your discussion on your experience of operations within your organization or an organization with which you are familiar. For example, talk with the operat..

Reviews

Write a Review

Chemistry Questions & Answers

  Explain a bomb calorimeter and combusts it in excess oxygen

A researcher studying the nutritional value of a new candy places a 4.40-gram sample of the candy inside a bomb calorimeter and combusts it in excess oxygen. The observed temperature increase is 2.86 °C.

  How many grams of the element nickel are contained

How many grams of the element nickel are contained in 10.0g of a 10.2 wt% solution of nicke sulfate hexahydrate, NiSO4*6H2O?

  What is the partial pressure of helium

A 285- flask contains pure helium at a pressure of 750 . A second flask with a volume of 470 contains pure argon at a pressure of 716 .If the two flasks are connected through a stopcock and the stopcock is opened, what is the partial pressure of h..

  Explain wavelength of the maximum in its emission spectrum

Sirius, the brightest object on the night sky besides the moon and the larger planets and, is a two-star system. The surface temperature of the larger one (Sirius A) is 9940 K. What's the wavelength of the maximum in its emission spectrum. What co..

  What is the volume of nitrogen at stp

A sample of nitrogen N2 has a volume of 300 mL at 34^C and a pressure of 745 mmHg. What is the Volume of Nitrogen at STP

  Explain the predominant isotope of gold

The predominant isotope of gold, , has an experimentally determined exact mass of 196.967 . What is the total nuclear binding energy of gold in electronvolts per atom

  State what is the empirical formula of the unknown compound

A 0.464 g sample of a compound containing the elements carbon, hydrogen, oxygen, and sulphur was burned completely, yielding 0.969 g CO2 and 0.198 g H2O. In a separate experiment, all the sulphur in another 0.464 g sample was converted to 0.859 g ..

  How much carbon dioxide will be produced

If 116g of butane burns in the presence of 320g of oxygen how much carbon dioxide will be produced

  What is percent (to 0.1%) abundance of the 37 isotope

A sample of chlorine, which has an average atomic mass of 35.86, consists of two isotopes with mass of 35 and 37. What is the percent (to 0.1%) abundance of the 37 isotope?

  Explain how many chiral centers are there in cortisone

How many chiral centers are there in cortisone. How many total stereoisomers are there in cortisone

  The density of a given solid and liquid k are 9926 kg m-3

the density of a given solid and liquid k are 992.6 kg m-3 and 933.4 kg m-3of molar mass 147.2 gmol at its normal

  Define how many grams of hydrogen gas

if 6.795 g of alum was produced using the method in this experiment, how many grams of hydrogen gas could theoretically have been produced

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