Explain reaction spontaneous or unspontaneous

Assignment Help Chemistry
Reference no: EM13488570

For a particular reaction, ?H = 139.99 kJ and ?S = 298.7 J/K. Calculate ?G for this reaction at 298 K. Is this reaction spontaneous or unspontaneous?

Reference no: EM13488570

Questions Cloud

Define the activity in becquerels and curies : A sample of material contains contains 20 mg of I ^131. Calculate: A) The number of I ^131 atoms initially present. B) The activity in becquerels and curies.
What amounts relative to income taxes does m&s report : How much of M&S's 2010 total provision for income taxes was current tax expense, and how much was deferred tax expense?
Define the majority of industrial method for the preparation : The majority of industrial method for the preparation of elemental phosphorus is heating a mixture of phosphate rock, carbon, and sand in electric furnace. The chemical reactions can be represented by 2Ca3(PO4)2 + 6SiO2 ? 6CaSiO3 + P4O10 and P4O10..
What number of diluted weighted-average shares outstanding : How many options were exercisable on March 29, 2010? 3) What number of diluted weighted-average shares outstanding was used by M&S in computing earnings per share for 2009 and 2010? What were M&S's diluted earnings per share in 2009 and 2010?
Explain reaction spontaneous or unspontaneous : For a particular reaction, ?H = 139.99 kJ and ?S = 298.7 J/K. Calculate ?G for this reaction at 298 K. Is this reaction spontaneous or unspontaneous?
Calculate the displacement of the point mass : A point mass on a Hooke's Law spring is pulled aside 10 cm from the center position and then released. Calculate the displacement of the point mass when t = 0.44s
How many forces are acting on the ball : A ball hangs motionless from a ceiling by a string. How many forces are acting on the ball
Explain the molar absorptivity coefficients for dye a : A sample contains a mixture of two dyes, A and B. The molar absorptivity coefficients for dye A are 4,875 M-1cm-1 at 628nm and 2,518 M^-1cm^-1 at 684 and for dye B are 1,578M^-1cm^-1 at 628nm and 11,543M^-1cm^-1 at 684nm. In an unknown mixture of ..
Calculate the shear strain : An aluminum cube 10 cm on a side is subject to shear stress. A force of 40,000 N acts on each of four faces. Calculate the shear strain

Reviews

Write a Review

Chemistry Questions & Answers

  Determine the half- life, in hours of iodine

Determine the half- life, in hours of iodine-123 If the amount of radioactive Iodine-123 in a sample decreases from 0.4 grams to 0.1 grams in 26.4 hours?

  Explain the oxidation numbers of carbons in malate

Using the oxidation numbers of carbons in malate and oxaloacetate, predict if the conversion of malate to oxaloacetate an oxidation or a reduction. You need to show the calculation of the oxidation numbers

  How much energy is needed to heat water

how much energy is needed to heat 24.8g water from 64 degrees to 123 degrees celsius?

  Explain the hydroxide-ion concentration in a solution

What is the hydroxide-ion concentration in a solution formed by combining 200. mL of 0.15 M HCl with 300. mL of 0.091 M NaOH at 25ºC?HCl(aq) + NaOH(aq) ? NaCl(aq) + H2O(l)

  What is the longest wavelength of radiation

If the minimum energy required to break the C-Cl bond in CF3Cl is 540 kJ/mol, what is the longest wavelength of radiation that will break this bond?

  Define density of rb if it crystallizes in a body-centered

Estimate the density of Rb if it crystallizes in a body-centered cubic unit cell and has an atomic radius of 247.5 pm.

  Find out the volume of the naoh solution

Calculate the volume of the NaOH solution prepared in (2) required to react with all of the t-butyl chloride in 1.0mL of the 0.050M solution prepared in (1)?

  Design a range of five volumes of the nacl standard

we will provide a standard solution of 0.100 m nacl and a solution of 20-fold diluted tonic water the unknown for your

  Explain what is the value of kf for acetic acid

What is the value of Kf for acetic acid, given that its freezing temperature is 16.6 C and its density is 1.049 g/mL?

  The rate of a first order reaction is 46 x 10 to the -4

the rate of a first order reaction is 4.6 x 10 to the -4 power at 638k. if the activation energy is 104 kjmol calculate

  What is the molarity of the ethanol in this solution

A solution of ethanol (C2H5OH) in water is prepared by dissolving 67.5 mL of ethanol (density = 0.79 g/cm3) in enough water to make 250.0 mL of solution. What is the molarity of the ethanol in this solution?

  Alkyl bromide reacts fastest with silver nitrate in ethanol

Which alkyl bromide reacts fastest with silver nitrate in ethanol- butyl bromide, sec-butyl bromide, or tert-butyl bromide? Which reacts slowest? Explain how structure affects the rate in the SN1 reaction.

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