What is the enthalpy chnge per mol of ethanol combusted

Assignment Help Chemistry
Reference no: EM13170918

A 1.994g sample of ethanol, CH3CH2OH is combusted in a bomb calorimeter. The temperature of the calorimeter increases by 10.91. If the heat capacity of the bomb is 615.5j/k and it contains 1.150kg of water, what is the enthalpy chnge per mol of ethanol combusted?

Reference no: EM13170918

Questions Cloud

State how many grams of co will dissolve of water : How many grams of CO will dissolve in 1.00L of water at a CO partial pressure of 2.75 atm?
Use bonding principles to explain why : H2S and H2O have simipar structures and their central atoms belong to the same group. Yet H2S is a gas at room temperature and H2O is a liquid. Use bonding principles to explain why.
How many grams of no form : how much of the excess reactant remains after the limiting reactant is completely comsumed?
Compute ratio of their conductivities at room temperature : estimate the ratio of their conductivities at room temperature
What is the enthalpy chnge per mol of ethanol combusted : A 1.994g sample of ethanol, CH3CH2OH is combusted in a bomb calorimeter. The temperature of the calorimeter increases by 10.91. If the heat capacity of the bomb is 615.5j/k and it contains 1.150kg of water, what is the enthalpy chnge per mol of et..
Offer a brief explanation of why bandgaps for octet p-block : Offer a brief explanation of why bandgaps for octet p-block semiconductors (1) decrease with increasing average principal quantum number
What is the change in energy of the system : A gas expands and does P-V work on the surroundings equal to 259 J. At the same time, it absorbs 216 J of heat from the surroundings. What is the change in energy of the system?
What volumes of water and potasium nitrate are used : Water and 8 mol/L potassium nitrate solution are mixed to produce 700mL of a solution with a concentration of 6.mol/L. What volumes of water and potasium nitrate are used.
Express the number of photons numerically : Suppose that the microwave radiation has a wavelength of 11.6cm . How many photons are required to heat 225 mL of coffee from 25.0 C to 62.0C ? Assume that the coffee has the same density, 0.997 g/mL, and specific heat capacity, 4.184 , as water o..

Reviews

Write a Review

Chemistry Questions & Answers

  How many grams of the precipitate can be formed

A solution of 120 mL of 0.150 M KOH is mixed with a solution of 280 mL of 0.250 M NiSO4. How many grams of the precipitate can be formed?

  State what mass of the corresponding sodium salt

Which of the acids in question #3 would be the best choice to create a buffer with pH = 7.35? If you had 250.0 mL of a 0.20 M solution of the acid, what mass of the corresponding sodium salt of the conjugate base would be required to make the buff..

  The decomposition of a certain ether was studied

Under these conditions, how long would it take for a sample to decompose to 25% of it original concentration?

  What mass of aspirin can be prepared

what mass of aspirin can be prepared by reacting 5.00 g if salicylic acid with an excess of acetic anhydride?

  What volume of pure o2(g)

What volume of pure O2(g), collected at 27°C and 746 torr, would be generated by decomposition of 114 g of a 50.0% by mass hydrogen peroxide solution? Ignore any water vapor that may be present.

  What is the concentration of lead

The limiting current of lead in an unknown solutions is 5.60μA. one mL of a 1.00 x 10-3M lead solution is added to 10.0mL of the unknown solution

  What volume of 2.94 m hno3 can be made

What volume of 2.94 M HNO3 can be made by diluting 128 mL of concentrated nitric acid (16.0 M HNO3)

  What is the amount of heat required

whats the amount of heat required to raise the temperature of 165 g of water from 12.0 C to 88.0 C (sp. heat of H20(l)= 4.18 J/g)

  Calculate the partial pressure (in torr) of each gas

A tank contains a mixture of 3.0 mol N2, 2.0 mol O2, and 1.0 mol CO2 at 25 degrees celsius and a total pressure of 10.0 atm. Calculate the partial pressure (in torr) of each gas in the mixture.C

  What is the molar concentration of the ammonia

If 18.5 mL of 0.800 M HCl solution are needed to neutralize 5.00 mL of a household ammonia solution, what is the molar concentration of the ammonia.

  Explain chemistry concentrations

Chemistry Concentrations, In each of the following pairs, indicate which has the higher concentration of Cl- ion

  Equilibrium to find out the ph and concentrations of species

Use the systematic treatment of equilibrium to determine the pH and concentrations of species in 1.00 L of solution contatining 0.070 lysine HL 0.055 mol aspartic acid H2A and 0.0080 mol NaOH. Consider just acid base chemistry. Ignore ion pairing ..

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