Calculate the heat evolved

Assignment Help Chemistry
Reference no: EM13137614

Calculate the heat evolved when 306 g of white phosphorus (P4) burns in air according to the equation below.

P4(s) + 5 O2(g) P4O10(s)
ΔH = -3013 kJ/mol

 

Reference no: EM13137614

Questions Cloud

Conclusion-proportion of women physicians at university : Is there sufficient evidence at the 0.05 level of significance to conclude that the proportion of women physicians at the university health system exceeds 27.9%?
Explain time value of money : Explain the time value of money. Is it important for accountants to have an understanding of compound interest, annuities, and present and future value concepts? Why?
Prepare the job cost sheets for each of the three jobs : in january, Reyes Tool and Dye requisitions raw material for production as follows: Job 1 $900, job 2 $ 1,200, job 3 $700, and general factory use $600.
Determine recovery period for the various assets : Now, conduct research (hint: use a tax service and the term “motorsports entertainment complex”), to determine the recovery period for the various assets if the entire project was completed in July 2007 and the first race was held on October 10, 2..
Calculate the heat evolved : Calculate the heat evolved when 306 g of white phosphorus (P4) burns in air according to the equation below.
Explain turbine of an ideal rankine cycle with reheat : Steam @ 10 MPa, 600 degrees celcius enters the first-stage turbine of an ideal Rankine cycle with reheat. The steam leaving the reheat section of the steam generator is @ 500 degrees celcius
What are the intrinsic values of stocks d & g : person is considering buying the stock of two home health companies that are similar in all respects except the proportion of earnings paid out in dividends.
Islamic extremists and terrorists threats : The United States continues to face a persistent and evolving terrorist threat from Islamic extremists, which can be definite as catastrophic terrorism because it aims to kill people on a large scale.
Conclusion-chebychev-s theorem about percentage of adults : What can you conclude from chebychev's theorem about the percentage of adults in the town whose heights are between 59.7 and 72.9 inches? Show all work.

Reviews

Write a Review

Chemistry Questions & Answers

  Calculate the molar mass of a vapor

Calculate the molar mass of a vapor that has a density of 6.735 g/L at 13°C and 825 torr.

  What is the mass of the steel bar

A volume of 95.0 ml of H2O is initially at room temperature (22.0 C). A chilled steel rod at 2.00 C is placed in the water. If the final temperature of the system is 21.1 C .

  What is the volume in liters

The density of benzene at 25.0 degrees C is 0.879g/cm3. What is the volume in liters of 2.5 kg benzene?

  The 1h nmr spectrum

Integrals for some of the resonances in the 1H NMR spectrum are higher than they should be due to the shear number of hydrogens in this compound

  Determine the molar mass of freon-11 gas

Determine the molar mass of Freon-11 gas if a sample weighing 0.597 g occupies 100 cm3 at 95°C, and 1000 mmHg.

  How many gm of dry nh4cl need to be combined

How many gm of dry NH4Cl need to be combined to 2.30L of a 0.300M solution of NH3, to prepare a buffer solution of pH 8.85.

  How many milliliters of sulphuric acid is needed

How many milliliters (mL) of a 1.28 M sulfuric acid solution are needed to neutralize 60.2 mL of a 0.427M sodium hydroxide solution.

  Calculate the final temperature of a mixture

calculate the final temperature of a mixture of 130.0 g of ice initially at -22.5 Celsius and 310.0 g of water initially at 80.5 Celsius.

  How many moles of gas were added to the bottle

A gas bottle contains 0.650 mol of gas at 730 mm Hg pressure. If the final pressure is 1.15 atm, how many moles of gas were added to the bottle.

  Calculate the ph of the solution

A 20.0-mL sample of 0.800 M HBr solution is titrated with 0.800 M NaOH solution. Calculate the pH of the solution after the following volumes of base have been added.

  Calculation of lethal inhalation

The lethal inhalation dose of sarin for a 200 pound person has been determined to be 0.0015 mg. Determine the LD50 of sarin that researchers used to calculate this lethal inhalation dose.

  Determine the mass of solid sodium formate

Determine the mass of solid sodium formate of MW 68.0 must be combined to 150 mL of 0.66 mol/L

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