Compute the calorimeter constant

Assignment Help Chemistry
Reference no: EM13184905

When 2.25 mg of antracene, C14H10 (s), was burned in a bomb calorimeter the temperature rose by 1.35 K.

1. Calculate the calorimeter constant. The enthalpy of combustion of antracene is -7061 kJ/mol.

2. By how much will the temperature rise when 135 mg of phenol, C6H5OH (s), is burned in the calorimeter under the same conditions? The enthalpy of combustion is -3054 kJ/mol.

Reference no: EM13184905

Questions Cloud

State what are the expected impurities in acetophenetidin : what are the expected impurities in acetophenetidin synthesis?
What is the growth rate of the book value of equity : What is the present value of growth opportunities? or P/E ratios the price is at a point in time while the earnings occur over a period of time. It is, therefore, necessary to specify whether the earnings are for the trailing twelve month period (..
What is the expected return on the equity : Company A just paid a $3.00 dividend per share. The dividend is expected to grow at a 4% rate indefinitely. The beta of the stock of Company A is 1.5. The market risk premium is 8% and the risk-free rate is 3%. (a) What is the expected return on t..
Compute the calorimeter constant : Calculate the calorimeter constant. The enthalpy of combustion of antracene is -7061 kJ/mol.
Explain economic stimulus package-expansionary fiscal policy : By early 2008, most economists believed we were heading towards recession. Congress and the President passed an Economic Stimulus Package (Expansionary Fiscal Policy) and the Federal Reserve cut interest rates (Expansionary Monetary Policy). Expla..
State how many molecules of nh are produced : How many molecules (not moles) of NH3 are produced from 1.52×10?4g of H2?
Compute the pka of the second ionizable group : An uncharacterized compound Z is thought to have an amino group with a pKa of 10.0 and another ionizable group with a pKa between 4 and 7.
How does a two-part tariff differ from bundling : (a) Will a monopolist's total revenue be larger with second-degree price discrimination when the batches on which it charges a uniform price are larger or smaller Why (b) How does a two-part tariff differ from bundling

Reviews

Write a Review

Chemistry Questions & Answers

  What is the number of water molecules in the formula

The compound KB5O8·X H2O was analyzed and found to contain 24.6% of water. If the formula weight of this compound is 293.15 g/mol, what is the number of water molecules (X) in the formula?

  Name this compound

The substance CS2 has a melting point of -110.8°C and a boiling point of 46.3°C. Its density at 20°C is 1.26 g / cm3. It is highly inflammable. a.)Name this compound.

  Computing concentration at equilibrium

Calculating concentration at equilibrium, The equilibrium constant Kc for the reaction is 54.3 at 430 deg C

  Define synthesis of a liquid crystal

Synthesis of a Liquid Crystal, experiment in which added 500 mg of cholesterol to 1.5 mL of dry pyridine. Then added 1.7 mmol of benzoyl chloride and heated the mixture.

  What volume of 2.0 m naclo must be diluted

What volume of 2.0 M NaClO must be diluted with water to prepare 500.0 mL of 0.10 M NaClO?

  What was the concentration of the solution

A 303- sample of unknown solution reacts completely with to form 14.1 . What was the concentration of the solution?

  How much energy (kj) is required

How much energy (kJ) is required to convert a 25.0 g ice cube at -15.0oC to water vapor at 250oC?

  Determine the number of grams of sodium acetate

Determine the number of grams of sodium acetate and the amounts in mLs of 6.00M acetic acid that you would need to make 50.00mL of a sodium acetate/acetic acid buffer solution at the pH equal to 5.00 in order to make a final concentration of 0.05M..

  Explain what is the mass fraction of gas

The Al2O3 does not react. If the sample residue weighs 2.456 g, what is the mass fraction of Fe2O3 in the original sample?

  State what is the vapor pressure of a solution

What is the vapor pressure of a solution prepared by dissolving 51.0 g of C6H12O6 (a nonvolatile solute) in 120 g of water? (Assume the solution is ideal.)

  What mass (in grams) of steam must be mixed

What mass (in grams) of steam at 100°C must be mixed with 375 g of ice at its melting point, in a thermally insulated container, to produce liquid water at 66.0°

  Calculate the solubility of mx in strong acid

For the compound MX, Ksp is 2.00 × 10-11. The anion X- forms the weak acid HX (Ka = 1.8 × 10-5). Calculate the solubility of MX in 10.00 M strong acid.

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