What is the enthalpy change

Assignment Help Chemistry
Reference no: EM13141694

C3H8(g) + 5O2(g) ->3CO2(g) + 4H2O(l) Ho = -2,220 kJ/mol

Propane is often used for gas grills and is typically purchased by filling a propane tank with 20 pounds of propane. What is the enthalpy change when 18 pound of propane is burned? Use the conversion 1 lb = 454 g and express your answer in scientific notation. For example use 2.3e-5 to indicate a number such as 2.3 x 10-5.

 

Reference no: EM13141694

Questions Cloud

Depreciation expense-double declining balance method : The camera cost $9,000 and is expected to last four years. Assume that the camera has a salvage value of 900. Calculate Fairfolk's 2008 depreciation expense relating to the camera, using the double-declining balance method.
What temperature will the water reach : a 12.6 g sample of NH4NO3 is dropped into a constant-pressure calorimeter containing 175 g of water at 23.5 C. What temperature will the water reach, assuming that the calorimeter container does not gain or lose any heat?
Why is a percentage scale used for the x-axis : Why is a percentage scale used for the x-axis rather than actual ages? A) Researchers don't know the maximum life span of the organisms. B) This scale allows you to compare species with widely varying life spans on the same graph.
Voltage or current and power and stored energy of capacitor : Voltage, current, power, and stored energy of capacitor, Prior to t=0, a 100- uF capacitance is uncharged. Starting at t=0, the voltage across the capacitor is increased linearly with time to 100V
What is the enthalpy change : Propane is often used for gas grills and is typically purchased by filling a propane tank with 20 pounds of propane. What is the enthalpy change when 18 pound of propane is burned?
Marketing plan outline : I need help with a topic I have chosen for a marketing plan. I can't seem to get the first draft completed and I have changed my topics several times. I just need help with the first draft. The topic is to be simple and local to kansas city.
The impact that walt disney world resort : The impact that Walt Disney world resort has on the local economy including nearby hotels and restaurants.
Which biome is characterized by an extensive canopy : Which biome is characterized by an extensive canopy that allows little light to penetrate to the ground and by the presence of epiphytes? A) temperate grassland B) coniferous forest C) tropical rain forest D) desert E) tundra.
Find percentage of bulbs that is expected to last for hours : 5000 light bulbs each with an average life of 500 hours, standard deviation is 100 hours. Find the percentage of bulbs that can be expected to last between 540 hours and 780 hours.

Reviews

Write a Review

 

Chemistry Questions & Answers

  Overlap in the sigma bond

Considering the molecule HOOH. What happens to the overlap in the σ bond between the 2 O atoms as one hydroxyl group is rotated in a clockwise relative to the other hydroxyl group?

  Explain reduction of conjugated ketones with sodium

Reduction of Conjugated Ketones with Sodium Borohydride, Suggest mechanisms of reaction for 1,2-addition and for conjugate addition (1,4-addition) of NaBH4 to a conjugated

  What is the minimum temperature reached by the solution

The heat of solution of ammonium chloride is 15.2 kJ/mol. If a 6.323 g sample of NH4Cl is added to 65.0 mL of water in a calorimeter at 24.5°C, what is the minimum temperature reached by the solution?

  Will the block sink or float in water

a solid block of exactly 100.0 cm3 has a mass of 153.6g. Determine its density. will the block sink or float in water

  Calculate the concentrations of all species in na2so3 soln

Calculate the concentrations of all species in a 1.73 M Na2SO3 (sodium sulfite) solution. The ionization constants for sulfurous acid are Ka1 = 1.4× 10-2 and Ka2 = 6.3× 10-8.

  Explain what is the name of the chemical used in sweet

What is the name of the chemical used in Sweet 'n Low? Draw the structure. Why was a temporary restriction placed on the use of this sweetener? What is the Delaney Amendment?

  Apply the raoult''s law to system

Conclude the range of pressures that this system can exists as 2 phases By imagine Raoult's law is applied to the system

  What is the mass of the other isotope

Iron has a reported average atomic mass of 55.85 amu. If iron has two isotopes, one of which has 29 neutrons and an isotopic abundance of 57.50%, what is the mass of the other isotope?

  Compute the boiling point of solution

Compute the boiling point of this solution if  Kf and Kb for H 2 O  are given as 1.86°C/m and 0.512 °C/m , respectively.

  Calculate the mass of agno3(s) that must be added

Calculate the mass of AgNO3(s) that must be added to 0.500 L of a solution of 0.154 M NaClsolution to precipitate ‘all' of the chloride ion. The ‘all' means that we want to add the same number of moles of silver ion.

  Explain what health risks may arise

Explain what health risks may arise people use this hot water in the preparation and cooking and what is the equilibrium constant for this reaction

  Determine the partial pressure of oxygen o2

Determine the partial pressure of oxygen O2 If the total pres- sure =80 torr, the partial pressure of CO=330 torr and the CO2 has a partial pressure = 330 torr?

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