The acetylene at atmospheric pressure if the volume change

Assignment Help Chemistry
Reference no: EM13492844

Used in welding metals, the reaction of acetylene with oxygen has ^H0 = -1256.2kj: C2H2(g) + 5/2 O2(g) ---------H2O(g) + 2CO2(g)^H0 + -1256.2kj How much PV work is done in kilojoules and what is the value of ^E in kilojoules for the reaction of 6.50g of acetylene at atmospheric pressure if the volume change is -2.80L?

Reference no: EM13492844

Questions Cloud

Explain what is the phase of the standard states : What is the phase of the standard states of the following elements and compounds. (a) NH3 (b) Fe (c) N2 (d) Br2
What is the magnitude of the average torque : The angular momentum of a flywheel having a rotational inertia of 0.242 kg·m2 about its central axis decreases from 9.30 to 0.230 kg·m2/s in 4.40 s. What is the magnitude of the average torque acting on the flywheel about its central axis during th..
Explain what is the specific heat of titanium : What is the specific heat of titanium in J/(g. oC) if it takes 89.7J to raise the temperature of a 33.0g block by 5.20 oC? What is the molar heat capacity of titanium in J/mol . 0C)
Determine how far the cars skid before coming to rest : An automobile has a mass of 1690 kg and a velocity of 23.8 m/s. It makes a rear-end collision with a stationary car whose mass is 2100 kg. determine how far the cars skid before coming to rest
The acetylene at atmospheric pressure if the volume change : How much PV work is done in kilojoules and what is the value of ^E in kilojoules for the reaction of 6.50g of acetylene at atmospheric pressure if the volume change is -2.80L
Increase in sales increase in expenses : Increase in Sales Increase in Expenses
How would you response james if you were a utilitarian : Critically discuss the major ethical issues raised by the AWB scandal. You are required to make references to the unit materials and need to do scholar research to support your discussion.
Valence electronics had 217 mil shares outstanding : Valence Electronics had 217 mil shares outstanding
Define the value of deltah for the reaction ch3oh : The value of deltaH for the reaction CH3OH (l)---->CO (g) +2H2 (g) is +128.1 kJ? How many kJ of heat are consumed when 5.10 g of CO (g) is formed as shown in the equation

Reviews

Write a Review

 

Chemistry Questions & Answers

  Explain what are the concentrations of a and b

has a standard free-energy change of -4.00 kJ/mol at 25 °C. What are the concentrations of A, B, and C at equilibrium if, at the beginning of the reaction, their concentrations are 0.30 M, 0.40 M, and 0 M, respectively

  When a solution of cuii chloride cucl2 is added to a

when a solution of cuii chloride cucl2 is added to a solution of potassium sulfide k2s a black precipitate of copper

  A solution of ammonia and water contains 140times1025

a solution of ammonia and water contains 1.40times1025 water molecules and 5.30times1024 ammonia molecules. how many

  Explain what is the mass/volume percent of this solution

A 50.0 mL glucose solution contains 3.00 g of glucose. What is the mass/volume percent of this solution

  Determine the heat transferred of ethylene glycol

Find the heat transferred (in kJ) when 5.55 L of ethylene glycol (d = 1.11 g/mL) in a car radiator cools from 40.0°C to 25.3°C.

  Explain an electron is confined to a linear region

an electron is confined to a linear region with a length of the same orderas the diameter of an atom (about 100 pm)

  What is the molarity of the oh- ions in 0040 m barium

what is the molarity of the oh- ions in 0.040 m barium hydroxide baoh2? i know the answer is .08m. the barium hydroxide

  Define melting points and boiling points of xenon

The normal melting points and boiling points of xenon are -112 deg. Celsius and -107 deg. Celsius, respectively. The Xe triple point is at -121 deg. Celsius and 282 torr, and its critical point is at 16.6 deg. C and 57.6 atm.

  Explain the density of the gas in l and the molar mass

2.55 g of an unknown gas at 39 degrees celsius and 1.05 atm is stored in a 1.95-L flask. What is the density of the gas in L and the molar mass of the gas in g/mol

  Define the partial pressure in atm of each component

(b) What is the partial pressure in atm of each component of this mixture if it is held in a 13.70-L vessel at 12°C? O2 mixture of 5.10 g of O2, 7.44 g of N2, and 1.26 g of H2? atm N2 atm H2 atm

  Calculate the pressure of oxygen

A steel tank has a volume of 438 liters and is filled with 0.885 kg of Oxygen. Calculate the pressure of oxygen at 21 degrees Celsius.

  Compute expected final temperature melting ice

Calculate expected final temperature for 25 grams of 70 C hot water melting 15 grams of 0 C ice. Repeat this calculation

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