Calculate the enthalpy for the reaction below

Assignment Help Chemistry
Reference no: EM13156147

Given the following thermochemical equations,

C2H2(g) + 5/2 O2(g) -----> 2CO2(g) + H2O(l) enthalpy = -1299.5 kJ

C(s) + O2(g) -----> CO2(g) enthalpy = -393.5 kJ

H2(g) + 1/2O2(g) -----> H2O(l) enthalpy = -285.8 kJ

calculate the enthalpy for the reaction below

2C (s) + H2(g) = C2H2 Delta H =

 

Reference no: EM13156147

Questions Cloud

Journal entry for a company owned land and a building : At November 30 the company owned land and a building. The land cost 24, 000 and now has a value of 32,000. The building's cost of 88,800 is near its current value if sold. The building has an estimated life of 40 years with no residual value. It i..
How much heat is required : How much heat is required to change a) 32.6 g of ice at 0.0 C into water at 0.0 C b) 32.6 g of water at 100.0 C into steam
Discuss the relationship between the fitness : Discuss the relationship between the fitness of a deleterious recessive allele, the mutation rate of the allele, and the equilibrium frequency of that allele. Be sure to address the extreme when the allele is lethal (w = 0).
Principles of ethical organizational communication : Explain each of the three principles of ethical organizational communication. Then, describe how these principles are important during external organizational communication, such as lobbying, marketing or advertising.
Calculate the enthalpy for the reaction below : Given the following thermochemical equations, C2H2(g) + 5/2 O2(g) -----> 2CO2(g) + H2O(l) enthalpy = -1299.5 kJ
What is the difference in o2 saturation of hemoglobin : what is the difference in O2 saturation of hemoglobin in the lungs versus hemoglobin in exercising tissues, as represented on this graph?
What is the expected phenotypic percentage for the offspring : What is the expected phenotypic percentage for the offspring?
Concepts of organizational stability-organizational : Describe the concepts of organizational stability and organizational innovation. Provide a real-life example of how an organization has maintained stability and promoted innovation.
What proportion of first seventy digits in table are zero : What proportion of the first 70 digits in the table are 0s (there are 40 digits in line 101 followed by the first 30 in line 102)?

Reviews

Write a Review

Chemistry Questions & Answers

  Find volume of the naoh solution

A 10.00 ml sample of 0.254 M H2SO4 is titrated with 0.385 M NaOH. What volume of the NaOH solution, in mL, is required?

  Determine the molecular formula of the compound

The combustion of 135 mg of a hydrocarbon produces 440mg of CO2 and 135 mg of H2O. The molar mass of the hydrocarbon is 270 g/mol.

  What mass of ba(no3)2 can be formed

In the reaction BaCO3 + 2HNO3 -> Ba(NO3)2 +CO2 + H2O, what mass of Ba(NO3)2 can be formed by combining 55 g BaCO3 and 26 g HNO3?

  Estimate the nox concentration

A freeway has 10,000 vehicles per hour passing a house 200 m away. Each car emits an average of 1.5 g/mi of NOx, and winds are blowing at 2 m/s across the freeway towards the house.

  How many liters of h2 would be formed

how many liters of H2 would be formed at 528 mm Hg and 12 degrees celcius if 28.0g of zinc was allowed to react

  How many grams of precipitate will form

How many grams of precipitate will form from 100mL solution that is both 0.90 M in Na2S and 0.20 M in PbCl2?

  Calculate the binding energy per nucleon of 56fe

Stellar nuclear fusion begins with 1H and ends with 56Fe. Younger stars fuse hydrogen to form 4He, while older, more massive stars fuse helium to form heavier elements.

  What is the concentration of the resulting solutions

If 3.0 ml of distilled water is added to 2.0 ml of 0.35 M CoCl2 solution , what is the concentration of the resulting solutions?

  How many total moles of gas are produced

If each mole of gas occupies 55 L under the conditions of the explosion, how many liters of gas are produced? c) how many grams of N2 is produced in the detonation?

  What mass of water can be heated

What mass of water can be heated from 36C to 100C by burning this piece of coal? Answer in units of g.

  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.

  How much heat would it take

If the specific heat of aluminum is 0.214 cal/g C, how much heat would it take to increase the temperature of a 100. gram block of aluminum from 25.0 C to 75.0 C?

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