User Account

All Pages

What mass of oxygen gas measured at 238 k and 351 atm is

Assignment Help Chemistry
Reference no: EM13384743

What mass of oxygen gas, measured at 238 K and 3.51 atm, is required in order to release 6670 kJ of heat to the surroundings?
CH4 + 2 O2 -> CO2 + 2 H2O "H = -890.3 kJ 

Reference no: EM13384743

Questions Cloud

A sample of hydrogen gas h2 is in a 298 l container at 708 : 1.a sample of hydrogen gas h2 is in a 2.98 l container at 708 torr and 19 oc. express the pressure of hydrogen in atm
In a certain experiment 280 ml of 0250 m hno3 and 530 ml : in a certain experiment 28.0 ml of 0.250 m hno3 and 53.0 ml of 0.320 m koh are mixed. calculate the amount of water
What does the absorption spectrum of the ligand : what does the absorption spectrum of the ligand ethylenediamine look like in the visible region which you used in this
Cortisone is a steroid used to treat joint inflammation : cortisone is a steroid used to treat joint inflammation. each cortisone molecule contains 21 atoms of carbon plus
What mass of oxygen gas measured at 238 k and 351 atm is : what mass of oxygen gas measured at 238 k and 3.51 atm is required in order to release 6670 kj of heat to the
A sample of nitrogen gas is collected over water at a : a sample of nitrogen gas is collected over water at a temperature of 23.0 degrees celcius. what is the pressure of the
If the aluminum block is initially at 25 degrees c what is : suppose that 1.10 g of rubbing alcohol c3h8o evaporates from a 72.0 g aluminum block.if the aluminum block is initially
1-buytyl bisulfate may serve as teh precursor to an ether : 1-buytyl bisulfate may serve as teh precursor to an ether and an alkene as well as the desired 1-bromobutane. provide
A student mixed 750 ml of water containing 75 mol hcl with : a student mixed 75.0 ml of water containing .75 mol hcl with 75.0 ml of water containing .75 mol of naoh at 25c in a

Reviews

Write a Review

Chemistry Questions & Answers

  The heat of combustion of hexane is 9950 kcalmol how much

the heat of combustion of hexane is 995.0 kcalmol. how much energy is released during the complete combustion of 453

  Explain what is the concentration of the resulting solution

8.0 mL of 10.0 ppm fe 2+ solution is diluted to 100.o ml. What is the concentration (in ppm) of the resulting solution?

  Explain tris to tris-hcl in the resulting buffer solution

After you have added 1 N HCl to adjust the pH of the Tris solution to 8.1, what is the ratio (in mmols) of Tris to Tris-HCl in the resulting buffer solution

  Explain epsom salt or table salt

If you have a white powder that could be either Epsom salt or table salt, how could you decide which one it is

  Explain how much lead is plated out of the solution

A current of 5.64 A is pass through a Ni(NO3)2 solution. How long (in hours) would this current have to be applied to plate out 8.80 g of nickel

  Create diagram to show the stratification in a body of water

Draw a diagram showing the stratification in a body of water. Label the different layers and describe the type of chemistry (and species) that occurs at each level.

  Calculate the equilibrium constant kp for the reaction

Calculate the equilibrium constant Kp for the reaction, {rm SO_2 (g) + 2 H_2S (g) rightleftharpoons 3 S(s) + 2 H_2O(g)} at a temperature of 298 rm K

  State an enzyme-catalyzed reaction produces a product

An enzyme-catalyzed reaction produces a product that has a maximum absorbance at 412 nm. The extinction coefficient is 4000 M^-1 cm^-1. A 10-to-1 dilution of the enzyme is made and 20 microliter of the dilution are put into a cuvette with 80 micro..

  Compute the average absorbance and use this value

Calculate the average absorbance and use this value for an absorbance point on your graph. Use the printed graph from above, find the average Absorbance of the unknown on the y-axis

  Define the second order light of the same wavelength

At what angle would the second order light of the same wavelength be reflected on the same side of the normal to the grating as the incident of light

  Sate what is its heat of vaporization

Octane has a vapor pressure of 40. torr at 45.1 degrees celcius and 400. torr at 104.0 degrees celcius. What is its heat of vaporization (R=8.214 J/K mol)

  How many l of o2 gas at stp, are needed

How many L of O2 gas at STP, are needed to react with 15.0 g of Na using the following chemical reaction: 2Na(s) + O2(g) => 2NaO(s)?

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!

Submit Assignment

Academics

Major Subjects

Majors

Get In Touch

whatsapp: +1-415-670-9521

Phone: +1-415-670-9521

Email: [email protected]

TERMS & POLICIES

HELP & SUPPORT

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd