What is the enthalpy of this reaction

Assignment Help Chemistry
Reference no: EM13170949

A total of 2.00 rm mol of a compound is allowed to react in a foam coffee cup that contains 121 g of water. The reaction caused the temperature of the water to rise from 21.0 to 24.7 ^circ rm C. What is the enthalpy of this 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: EM13170949

Questions Cloud

Explain the possible determine how many amino acids : Explain your answer. Could you still identify what those amino acids were? Explain your answer. What can you not do?
Which of the two reactants is the limiting reagent : consider the gaseous reaction at 347 celsius N2+3H2-->2NH3 if 2.00 mole of N2 and 3.00 mole of H2 react, which of the two reactants is the limiting reagent.
Proportion to the time devoted to the business : Rex Baker and Ty Farney are forming a partnership to which Baker will devote three-fourth time and Farney will devote full time.
Estimate the bond length of the hbr bond in picometers : The dipole moment (mu) of HBr (a polar covalent molecule) is 0.82 D (debye), and its percent ionic character is 12.1%. Estimate the bond length of the HBr bond in picometers.
What is the enthalpy of this 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.
Show the redox reaction and all work : How many grams of oxygen gas (O2) will it take to oxidize 1 pound of iron metal? Make sure to show the redox reaction and all work.
What is the molarity of a solution that contains : What is the molarity of a solution that contains 60.0 of vitamin B1 hydrochloride (molar mass = 337 ) in 180 of solution?
Compute the number of moles of the base : Calculate the number of moles of the base. Calculate the molarity of the acid solution.
What is the total pressure of the system : If a mixture of gases contained 78% nitrogen at a pressure of and 22% carbon dioxide at 345 torr, what is the total pressure of the system?

Reviews

Write a Review

Chemistry Questions & Answers

  Calculate the volume in mililiters (ml) of 6 m naoh needed

calculate the volume in mililiters (mL) of 6 M NaOH needed to make 500 mL of a 0.100 molar (M) NaOH solution.

  Calculate the molar mass of the biomolecule

a .350 g sample of a biomolecule was dissolved in 15.0 g of chloroform, and the freezing point depression was determined to be .240 degree celcius. Calculate the molar mass of the biomolecule.

  How much heat is evolved

How much heat is evolved in converting 1.00 mol of steam at 130.0 C to ice at -50.0 C? The heat capacity of steam is 2.01 J/g*C and of ice is 2.09 J/g*C.

  Determine the amount of energy involved in calories

Determine the amount of energy involved in calories given off when 85 grams of H2O cools from 45 degrees Celsius to 25 degrees Celsius?

  Compute the ph at the temperature

compute the pH at the temperature of twenty five degrees Celsius of a solution combined by adding 50 mL of 1.60 M sodium hydroxide solution

  What will be the freezing point and boiling point

What will be the freezing point and boiling point of this aqueous solution if given that Kb(H 2 O) = 0.51 oC/m and Kf = 1.86o C/m.

  Could the remaining black compound be the anhydrous copper

From the ration of the mass of the black product to the initial 5g placed in the flask, could the remaining black compound be the anhydrous copper carbonate hydroxide molecule?

  Does isotopic substitution affect the probability

What is the probability of populating the first excited vibrational state (n = 1) at 298 K? Does isotopic substitution affect the probability? Would the intensity of absorption peaks be affected by isotopic substitution?

  Explain when heating the acetone in a water bath

When heating the acetone in a water bath, why must there be a hole in the foil cap

  Explain iron is extracted from its ore using carbon

Iron is extracted from its ore using carbon. This can be represented using the following equation. Calculate the percent atom economy for pure iron.

  What will the final volume of the sample be

A sample of oxygen that occupies 1.00 × 10-6 mL at 575 mm Hg is subjected to a pressure of 1.25 atm. What will the final volume of the sample be if the temperature is held constant

  What tempreture must moles of water vapor be heated

what tempreture must 0.040 moles of water vapor be heated in a 500ml flask before the pressure in the flask becomes 2 atm.

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