Calculate the amount of heat liberated

Assignment Help Chemistry
Reference no: EM13176642

The combustion of natural gas, methane (CH4), is an exothermic reaction.

Change of H = -890 kJ

Calculate the amount of heat liberated when 4.80 g CH4 reacts with an excess of oxygen.

Reference no: EM13176642

Questions Cloud

Is sustainable long-run equilibrium always reached : If the equilibrium real wage remains constant, what happens to the nominal wage when the actual inflation rate exceeds the expected inflation rate?"In the steady state, the government benefits from inflation."
Which is a correct numerical setup for calculating student : A student measured the wavelength of hydrogen's visible red spectral line to be 647 nanometers. Which is a correct numerical setup for calculating the student's percent error.
What is the final temperature of the system : 535 g piece of copper tubing is heated to 91.5°C and placed in an insulated vessel containing 58.5 g of water at 29.5°C. Assuming no loss of water and heat capacity for the vessel of 10.0 J/K, what is the final temperature of the system (c of copp..
Write an equation for the formation of an aqueous solution : Write an equation for the formation of an aqueous solution
Calculate the amount of heat liberated : Calculate the amount of heat liberated when 4.80 g CH4 reacts with an excess of oxygen.
Which one of the following does not react with aqueous : Which one of the following does not react with aqueous sodium hydroxide?
Why is the supply curve positively sloped : Distinguish between a change in Supply and a change in the quantity supplied. Refer to both increases and decreases for each. Distinguish between a change in Demand and a change in the quantity demanded. Refer to both increases and decreases for.
How much oxygen can be made : In the reaction where the potassium chlorate is decomposed into potassium chloride and oxygen. How much oxygen can be made from 45.8g of the potassium chlorate?
How many grams of co2 were produced : when a .28 gram sample of limestone was decomposed by heating 75 millileters of CO2 at 750 mm Hg and 20 degrees celcius were evolved. How many grams of CO2 were produced?

Reviews

Write a Review

Chemistry Questions & Answers

  Calculate the value of the rate constant

The Reaction A->B+C is second order in A. When [A]0=0.100 M, the reaction is 20% complete in 53.7 minutes. calculate the value of the rate constant( in L/min mol)

  Describe the molecular geometry of formic acid

describe the molecular geometry of formic acid in terms of hybrid orbitals,bond angles and sigma and pi bond, and how many lone pairs are in the molecule.

  How many calories are required to heat platinum

How many calories are required to heat 25.0 g of platinum (specific heat capacity = 0.032 cal/g.K) from 24.5 oC to 75.0 oC?

  How much heat (in ) is required

How much heat (in ) is required to warm 10.0g of ice, initially at -11.0(degrees C), to steam at 113.0(degrees C)? The heat capacity of ice is 2.09(J/g* degrees C) and that of steam is 2.01(J/g*degrees C) .

  Calculate the molarity of a solution of glycerol

Calculate the molarity of a solution of glycerol made by dissolving 58.000 mL glycerol at 15 degrees Celcius in enough water to make 390.00 mL of solution.

  Calculate the vappor pressure of diethyl ether at 0 degrees

Diethyl ether is a volatile organic compound. the vapor pressure of diethyl ether is 401 mm Hg at 18 degrees celsius and the change in H vapor = 26.0 kJ/mol. Calculate the vappor pressure of diethyl ether at 0 degrees C.

  Explain how many protons will na have in its nucleus

After losing the electron, how many protons will Na have in its nucleus? Sodium (Na), atomic number 11, has a tendency to lose an electron in the presence of chlorine

  How many moles of oxygen form

2KClO3 + heat > 2KCl + 3O2, How many moles of O2 form as 3.0 mol of KClO3 are totally consumed.

  What is the new voume

A sample containing 4.80 g O2 of gas has a volume of 15.0 L. Pressure and temperature remain constant. What is the new voume if 0.500 mole O2 gas is added.

  Explain water and add a couple of drops of phenolphthalein

Suppose in the lab you measure 0.3951 g of NaOH and dissolve it into 100.0 mL of water. You then measure 0.1985 g of KHP and place it in a clean, dry 100-mL beaker, and then dissolve the KHP in about 25 mL of water and add a couple of drops of phe..

  What is the percent yield

825grams of NO are produced from the reaction of 500grams of NH3 with excess oxygen, what is the percent yield?

  Compute the concentration of ethanol in wine

Calculate the concentration of ethanol in wine in terms of mass percent and molality. mass percent? answer in % molality? answer in mol/kg

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