State how many mol of o2 are required to form 3.20 mol fe2o3

Assignment Help Chemistry
Reference no: EM13298380

Given the following reaction, use Stoichiometry to answer the following questions: 4 Fe (s) + 3 O2 (g) ? 2 Fe2O3 (s) ?H° = -1.65 x 103 kJ 1. When Fe2O3 (rust) is formed, is the reaction exothermic or endothermic? (b) How can you tell from the information provided with the balanced equation? 2. How many mol of O2 are required to form 3.20 mol Fe2O3? 3. How much heat is exchanged when 14.3 kg of iron rusts? 4. How much rust (g) is formed when 200. kJ of heat is released?

Reference no: EM13298380

Questions Cloud

What is the logs total kinetic energy at the bottom of ramp : A cylinderical wooden log rolls (without slipping) down a small ramp. The log has a radius of 15 cm, a length of 2.0 m, and a mass of 78 kg. What is the log's total kinetic energy at the bottom of the ramp
Power for labor unions and for corporations : It is almost universally accepted that labor unions, but not companies, must be democratic. Why is there this dichotomy? What does this dichotomy imply about the organizational structures and sources of power for labor unions and for corporations?
How to calculate oh- for each of the solutions : Calculate OH- for each of the following solutions, and indicate whether the solution is acidic, basic, or neutral. h+ = 2.7×10?3.
At what capacitance will the current in the resistor be : A series RLC circuit is connected across a 10.0 kHz source. The 1.2 H inductor and 1000 ? resistor are fixed whereas the capacitor is variable. At what capacitance will the current in the resistor be a maximum
State how many mol of o2 are required to form 3.20 mol fe2o3 : How can you tell from the information provided with the balanced equation. How many mol of O2 are required to form 3.20 mol Fe2O3. How much heat is exchanged when 14.3 kg of iron rusts
What is the speed and direction of the second puck : On a laboratory air table, a puck moving due north at 3.5 m/s collides with an iddentical puck moving at 2.0 m/s, 45 degrees S of W. What is the speed and direction of the second puck
What is difference between ccc expected roe : what is difference between CCC's expected ROE if it finances with 50% debt versus its expected ROE if it finances entirely with common stock?
Prepare the consignment account : Prepare the consignment account in the books of consigner - January 1988 red of quetta consigned to blueof Karachi goods for sale blue is entitled to commission of 6% oninvoice price and 20% of any surplus price realized
What is its times-interest-earned ratio : Graser Trucking $12 billion in Assets, and its tax rate is %40. Its Basic Earning Power (BEP) ratio is 15%, and its return on assets (ROA) is 5%. What is its times-interest-earned (TIE) ratio?

Reviews

Write a Review

Chemistry Questions & Answers

  What will be the volume of the gas sample

A gas sample has an original volume of 680 ml when collected at 720mm and 28C. what will be the volume of the gas sample if the pressure increases to 820 mm and the temperature increases to 55C?

  Explain a mixture of two miscible solvents that may be used

A mixture of two miscible solvents that may be used as the solvent for a recrystallization experiment would be which of the following

  Determine the volume of one mole of ideal gas

Using the ideal gas law, pV = RT, prove that the volume of one mole of ideal gas is a state function

  Define the vapor pressure of ethanol

The vapor pressure of ethanol is 10. torr at -2.3 degrees celsius and 40. torr at 19 degrees celsius.

  Calculate the root-mean-square speed of the atoms

The laser beams are tightly focused. They briefly (for 0.5s) exert enough pressure to confine 500sodium atoms in a vloume of 1.0x10^-15m^3. The temperature of this gas is 0.00024K, the lowest temperature ever reached for a gas. Compute the root-me..

  Explain quantum number rules in the alternative universe

Suppose you live in an alternate universe where a different set of quantum numbers is required to describe the atoms in that universe. The quantum number rules in the alternative universe are

  Define species that need to be calculated

The ionization constants for sulfurous acid are Ka1 = 1.4*10^-2 and Ka2 = 6.3 * 10^-8. Species that need to be calculated (Molarity):

  Calculate the percentage in change in concentration

The polarogram for 20ml of solution that was 3.65*10^-3 in Cd2+ gave a wave for that ion with a diffusion current of 31.3µA . calculate the percentage in change in concentration of the solution

  Explain reaction is first order with respect to no

The following reaction is first order with respect to NO and first order with respect to O2, and the rate constant is 5.0 x 104 M-1s-1

  What is the momentum of the car

a 30 g car rolls from a hill 12 cm high and is traveling at 154 cm/s as it travels along a 275 cm horizontal track. what is the momentum of the car?

  Explain hydrolyze in aquesous solution

When Fe(NO3)3 is dissolved in water, hexaaquiron(III) ions, Fe(H2O)6 3+, forms. Fe(H2O)6 3+ ions hydrolyze in aquesous solution accoring to the equation given below.

  Draw the lewis structure of benzoic acid

Draw the Lewis structure of benzoic acid a (refer to p.40 in you lab manual). ii). list all the IMF that exist between two molecules of benzoic acid.

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