Explain what quantity of heat is needed to convert

Assignment Help Chemistry
Reference no: EM13181924

(CH3)2CHOH (2-propanol), aka rubbing alcohol, is an organic compound whose MM=60.09502 g/mol. Propanol freezes at -89.5 degrees C and boils at 82.3 degrees C. What quantity of heat is needed to convert 10.0 g of solid 2-propanol at -89.5 degrees C to a vapor at 82.3 degrees C?

Delta H fus= 5.37 kJ/mol

c= 2.60 J/g x K

Delta H vap= 39.85 kJ/mol

Reference no: EM13181924

Questions Cloud

State the half life for the beta decay of strontium : How many atoms of 90Sr are in a 220.0 mL glass of milk with 1.25 Bq/L of 90Sr radioactivity? (The half life for the beta decay of strontium
State what is the temprature at the condenser outlet : degress Celcius and 1 atm enters a coller in which 55% of the feed is condensed at a constant pressure. What is the temprature at the condenser outlet and explain?
Is demand elastic-inelastic or unit elastic : Find the equilibrium price and quantity. Find the elasticity of demand and the elasticity of supply, evaluated at the equilibrium price and quantity. Is demand elastic, inelastic, or unit elastic? Is supply elastic, inelastic, or unit elastic?
How could we return to long run equilibrium : If Greece leaves the Euro zone there will be macroeconomic consequences. The possible collapse of the Euro zone acts as a shock to sellers around the world worried about international economic stability. Show the short run impact of such an event..
Explain what quantity of heat is needed to convert : Propanol freezes at -89.5 degrees C and boils at 82.3 degrees C. What quantity of heat is needed to convert 10.0 g of solid 2-propanol at -89.5 degrees C to a vapor at 82.3 degrees C?
Explain what is nitroglycerin''s molar mass : What is Nitroglycerin's molar mass if the addition of 0.454 g of nitroglycerin to 100.0 g of benzene changes the solution's vapor pressure to 94.85 mm Hg?
State the aqueous electrolytic solution : The aqueous electrolytic solution (d= 1.230 g/cm^3) in a typical automotive battery contains approximately 368 g of hydrogen sulfate (H2SO4, sulfuric acid, MM= 98.07948 g/mol) per liter. Calculate the following concentrations
What is the break-even sales price per unit : A consumer product company is considering introducing a new shaving system called DELTA-4 in the market. The company plans to manufacture 75 million units of DELTA-4 a year. The investment at time 0 that is required for building the manufacturing..
Explain what was the concentration of the nh : An 8mL sample of an unknown concentration of NH3 is titrated with HCl. It is found that 12mL of 0.10M HCl is required to reach the equivalence point. What was the concentration of the NH3 in the initial 8mL sample?

Reviews

Write a Review

Chemistry Questions & Answers

  Compute the solubility of silver sulfate in water

calculate the solubility of silver sulfate in water at 25 degree celcius, express answer in molarity; and how would the solubility of silver sulfate change

  How many moles of n2 are produced

How many moles of N2 are produced by the decomposition of 1.40 of NaN3 ?

  Calculate ?s for the process

15 g of steam at 373 K is added to 250g of H2O (l) at 298 K at constant pressure of 1 bar. Is the final state of the system steam or liquid water? Calculate ?S for the process.

  Determine the molarity of a saturated aqueous solution

Determine the molarity of a saturated aqueous solution of NaI formed as 25degree celsius assuming that the added NaI does not add significantly to the volume of the water?

  Draw graphs representing boyles law

Draw graphs representing Boyle's law, Charles's law, and Gay-Lussac's law for a fixed amount of gas. Make sure that you label each axis and state the assumptions for each law-that is, the variable(s) that is (are) held constant for each law.

  How many moles of oxygen,o, were in the sample

If 7.50 g of the unknown compound contained 0.250 mol of C and 0.500 mol of H, how many moles of oxygen,O, were in the sample?

  Compute the mean and standard deviation of w v percentage

Calculate the mean and standard deviation of w/v percentage of acetic acid and the 95% confidence interval for the mean. Calcium in a mineral was analyzed five times by each of two methods

  Explain what is the change in average specific

What is the change in average specific (kJ/kg) enthalpy of this system if the quality increases by 0.71 at a constant pressure of 10 bar?

  What is the concentration of the origional sulfuric acid

34.62 mL sample of .1510 molar NaOH was needed to completely neutralize 50 mL of an H2SO4 solution. what is the concentration of the origional sulfuric acid solution?

  State the effusion rate of oxygen gas

A certain gaseous oxide of sulfur has an effusion rate that is 0.707 times the effusion rate of oxygen gas

  Why are active on-duty firefighters likely to experience

Why are active on-duty firefighters likely to experience the adverse health effects from inhaling 300 ppm of carbon monoxide faster than nonactive off-duty firefighters who inhale the same concentration of the same substance?

  Explain what is the highest percent yield of n2

In one experiment, 11.5 g of NO formed when 112.4 g of each reactant was used. What is the highest percent yield of N2 that can be expected?

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