What is the enthalpy of the reaction

Assignment Help Chemistry
Reference no: EM13156422

2 mol of a compound is allowed to react in a foam coffee cup that contains 101 grams of water. the reaction caused the temperature of the water to rise from 21 to 24.7 C. What is the enthalpy of the reaction?Assume that no heat is lost to the surroundings or to the coffee cup itself. Assume that the mass of the solution is equal to the mass of the water.

Reference no: EM13156422

Questions Cloud

Hypothesis for testing the true percentage of tv viewers : Set up H0 and Ha for testing whether the true percentage of TV viewers who find cable news to be better quality than network news differs from 50%.
Commission on portion of annual sales : Wendy Epstein, a sales representative, earns an annual salary of $29,500 and receives a commission on that portion of her annual sales that exceeds 150,000.
Local shopping center observation and analysis : When you go to a department or clothing store, what are the different classifications? Are they by age, size, gender, lifestyle, occasion? Note as many differentiations as possible. What kind of marketing and production niches have been created? Can ..
What is the deadweight loss resulting from this agreement : Instead of imposinga tariff, the government reached an agreement with foreign suppliers to "voluntarily" limit the portable radios they export to 1,250 per year. What is the deadweight loss resulting from this agreement?
What is the enthalpy of the reaction : 2 mol of a compound is allowed to react in a foam coffee cup that contains 101 grams of water. the reaction caused the temperature of the water to rise from 21 to 24.7 C. What is the enthalpy of the reaction?Assume that no heat is lost to the surr..
What is the probability that michael son will have dimples : Kirk Douglas has a prominent indentation (dimple) in his chin, and so does his son Michael. Dimples are inherited as a dominant trait. If Michael's mother does not have dimples, and Michael's wife does not have dimples, what is the probability tha..
Contrast terrorism from other violent criminal acts : Compare and contrast terrorism from other violent criminal acts, and what makes the critical difference. Identify and discuss at least two tactics that local law enforcement agencies are doing to prevent terrorism.
How many pineapples will she consume : how many pineapples will she consume? If her income increases to $120, how many grapefruits will she consume? Are grapefruits a normal or inferior good?
What is phenol red used for in tissue culture work : What is phenol red used for in tissue culture work and what does a yellow color change in phenol red indicate in a tissue culture specimen?

Reviews

Write a Review

Chemistry Questions & Answers

  Determine the partial pressure

Determine the partial pressure. Calculate the total pressure and volume in liters at STP of Nitrogen, Helium and Neon mixture.

  What is the identity of the salt

An unknown salt is either NaF, NaCl or NaOCl.When 0.050 mol of the salt is dissolved in water for form 0.500 L of solution, the pH of the solution is 8.08.

  What is the density of a block of marble

What is the density of a block of marble that occupies 253 cm3 and has a mass of 752 g?

  Calculate the minimum pressure that must be applied

A water desalination plant is set up near a salt marsh containing water that is 0.10 M NaCl. Calculate the minimum pressure that must be applied at 17°C to purify the water by reverse osmosis.

  Explain hydrogen ion concentration in mixtures

Hydrogen ion concentration in mixtures, Calculate the hydrogen ion concentration of the following mixtures. a. 25mL of 0.10M HClO4 and 25mL of 0.15M HClO2

  How many millimoles of non-limiting reactant will be unused

If iron is oxidized to Fe2+ by a copper(II) sulfate solution, and 0.289 grams of iron and 21.0 mL of 0.433M copper(II) sulfate react to form as much product as possible.

  How many photons strike the leaf every second

A green leaf has surface area 2.20 cm^2. If solar radiation is 1190 W/(m^2) , how many photons strike the leaf every second? Assume three significant figures and an average wavelength of 504 nm for solar radiation.

  What is the pressure of n2

N2 is .070 moles, O2 is 0.35 moles and CO2 is 0.20 moles, the total is pressure 1.55 atm what is the pressure of N2?

  Compute the water volume

compute the water volume that is released upon its total metabolism to carbon dioxide and H 2 O, taking into account any oxidative phosphorylation that might occur.

  How many liters of gasoline would you need to buy

In Europe, gasoline efficiency is measured in km/L. If your car's gas mileage is 23.0 mi/gal, how many liters of gasoline would you need to buy to complete a 142-km trip in Europe?

  What is the final temperature of the water

121 cal of heat are added to 50.0 g of water initially at 15.0 (degrees celsius). What is the final temperature of the water.

  What is the new pressure of the gas in pa

A 782 mL gas sample at STP is compressed to a volume of 131 mL, and the temperature is increased to 22?C. What is the new pressure of the gas in Pa?Answer in units of Pa.

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