What is the enthalpy change for the combustion of sulfur

Assignment Help Chemistry
Reference no: EM13168382

When 4.0 g of sulfur is burnt in excess oxygen, 40 KJ of heat is evolved. What is the enthalpy change for the combustion of sulfur?

Reference no: EM13168382

Questions Cloud

Prove by contradiction that if n is a perfect square : Let n > 1 be an integer. Prove by contradiction that if n is a perfect square, then n + 3 cannot be a perfect square.
What is the energy of a photon of this wavelength : one type of sunburn occurs on exposure to UV light of wavelength in the vicinity of 325nm.
Draw concerning structures of species containing : What conclusions can you draw concerning structures of species containing the same number of atoms and the same number of valence electrons?
Anti-virus applications : Should an organization's anti-virus policy specify that anti-virus applications will be configured to quarantine infected files instead of deleting them automatically? Why or why not?
What is the enthalpy change for the combustion of sulfur : When 4.0 g of sulfur is burnt in excess oxygen, 40 KJ of heat is evolved. What is the enthalpy change for the combustion of sulfur?
Computers have trended to larger word : Since the beginning, computers have trended to larger word sizes, 8 to 16 to 32 and now some 64 bit computers. Explain a pro or a con in a computer with a larger word size, or comment on someone else's pro or con.
Choose the answer that shows a correctly balanced equation : Choose the answer that shows a correctly balanced equation.
If m is a dfa accepting language b : If M is a DFA accepting language B, then exchangeing the accept and reject states gives a new DFA accepting the complement of B. Does this work for an NFA, why?
Calculate the amount of energy required in calories : calculate the amount of energy required in calories to heat 145g of h2o from 22.3 degrees c to 75.0 degrees c.

Reviews

Write a Review

Chemistry Questions & Answers

  How many grams of oxygen are required

Octane has a density of 0.692 g/mL at 20 degrees celsius How many grams of oxygen are required to burn 1.10 gal of octance.

  What is the volume of cylinder b

Gas cylinder A has a volume of 48.2 L and contains N2(g) at 8.35 atm at 25 ºC. Gas cylinder B, of unknown volume, contains He(g) at 9.50 atm at 25 ºC

  Discuss how plastics are used in everyday life

Discuss how plastics are used in everyday life and cutting edge technology and what the pitfalls are of plastics.

  How many joules of heat are needed

The specific heat cacpacity of solid copper metal is 0.385/Jg-K. How many joules of heat are needed to raise the temperature of a 1.55-kg block of copper from 33.0 0C to 77.5 0C

  What amount of heat would need to be added

what amount of heat would need to be added to 5.0 x 103 g of water to change its temperature from 21c to 84c?

  Determine the empirical and molecular formulas

Determine the empirical and molecular formulas of Ibuprofen has 75.69% C, 8.80%H and 15.51%O by mass and has a molar mass about 206g/mol.

  What will the new temperature

A sample of nitrogen gas occupies a volume of 3.87 liters at 52.8 oC and 2.11 atm. What will the new temperature (in °C) when the volume increases to 4.55 liters and the pressure remains constant?

  Calulate the molarity of acetic acid

calulate the molarity of acetic acid in a venegar sample knowing that 5.00mL of vinegar requires 43.50mL  of 0.105 M NaOH to reach the phenolphthalein endpoint in a titration

  Calculate the concentration of cro4 2-

You have 75.0 mL of a 2.50 M solution of Na2CrO4(aq). You also have 125 mL of a 1.52 M solution of AgNO3(aq). Calculate the concentration of CrO4 2- after the two solutions are mixed together.

  Calculate the amount of heat required

calculate the amount of heat required to vaporize 8.48g of water at its boiling point

  Compute the energy in j of the electron

The energy levels the electron can occupy in the Be3+ ion can be calculated using the energy level equation. Calculate the energy in J of the electron when it is in the n= 4.00 level.

  How many grams of no can be formed

How many grams of NO(g) can be formed from 3.0 moles of NH3(g) if there is sufficient O2(g) to use all of the ammonia?

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