Explain the overall change in enthalpy of the process

Assignment Help Chemistry
Reference no: EM13238335

If 9 g of Kr initially at 0.2 bar and 15 L is brought to 0.49 bar and 5L, what is the overall change in enthalpy of this process? Assume that Kr is an ideal gas.

Reference no: EM13238335

Questions Cloud

Explain many moles of the compound were oxidized : If the enthalpy of combustion of the compound is -2978.0 kJ/mol and the temperature of the calorimeter rises from 25.44 C to 27.7 C, how many moles of the compound were oxidized?
Define the enthalpies of formation of oxalic acid : The enthalpies of formation of oxalic acid in the solid and aqueous phases are -826.8 and -818.8 kJ/mol, respectively. The heat capacity of water is 4.184 J/g*K. Ignore the heat capacity of oxalic acid.
How much are households paid for providing entrepreneurial : suppose that businesses buy total of $ 130 billion of the four resources ( labor,land,capital, and entrepreneurial ability) from households. If households receive $ 72 billion in wages, $ 16 billion in rent, and $ 26 billion in interest
What is the height h2 of this taller table : A spring gun is used to launch a metal ball horizontally from a height h1=75.0cm above the floor, What is the height h2 of this taller table
Explain the overall change in enthalpy of the process : If 9 g of Kr initially at 0.2 bar and 15 L is brought to 0.49 bar and 5L, what is the overall change in enthalpy of this process? Assume that Kr is an ideal gas.
What is the cost of one more automobiles of one forklifts : if the economy is at point c, what is the cost of one more automobiles of one more forklifts which characteristics of the production curve reflects the law of increasing opportunity costs: its shape or its length
Find the maximum tension in the chain : A 85.6-kg wrecking ball hangs from a uniform heavy-duty chain having a mass of 27.0kg, Find the maximum tension in the chain
Compute the change in temperature : Compute the change in temperature when 2 g of sodium chloride is dissolved in 270.0 mL of water initially at 25 C. The heat capacity of water is 4.184 J/mL/K. Neglect the heat capacity of the NaCl.
Find the book value at end of 2 years using straight-line : Find the book value at the end of 2 years using straight-line depreciation, the book value at the end of 2 years using sum of the years digits depreciation, and the book value at the end of 2 years using modified accelerated cost recovery system d..

Reviews

Write a Review

Chemistry Questions & Answers

  What effect does the presence of lone-pair electrons have

What effect does the presence of lone-pair electrons have on the bond angles and the geometry of a molecule?

  Calculate the mass of cu(no3)2·3h2o needed

Calculate the mass of Cu(NO3)2·3H2O needed to prepare 50.0mL of a 0.50 M Cu(II) solution?

  State what is the molecular mass of the compound

The vapor pressure of pure ethyl bromide at this temperature is 400.0 torr. Assuming an ideal solution, what is the molecular mass of the compound?

  Explain the decreasing melting point from naf to nai

Consider the following data: expect a BeF2 molecule to be linear but an SF2 molecule to be angular. Explain the decreasing melting point from NaF to Nai.

  Define the density of liquid ammonia the temperature

Ammonia condenses to form a liquid at -33.35C at atmospheric pressure. The density of liquid ammonia at this temperature is 0.6818g/ml. If the ammonia (0.224ml) is condensed at these temperatures, what would be its volume?

  What is the metal

a metal object with a mass 19 degrees celsius is heated to 96 degrees celcius, then transfered to a calorimeter containing 75 grams of water at 18 degrees celcius. the water and metal object reach a final temperature of 22 degrees celcius? what is..

  State giant morel next to a fallen tree

Professor Tipton, being an avid hunter, was stalking the woods for morels. He saw a giant morel next to a fallen tree. When he reached down to get it a small timber rattler bit his hand

  Calculate the mass of sodium chlorate

Calculate the mass of sodium chlorate that must be decomposed to form 6.5 g of oxygen. 2NaClO3(s) → 2NaCl(s) + 3O2(g)

  Calculate the molecular rms speeds of he atoms

Calculate the molecular rms speeds of He atoms at 10, 100, 1000 K in units of meters per second and miles per hour.

  Compute the ph of a buffer solution composed

Calculate the pH of a buffer solution composed of 0.10 M butyric acid (CH3(CH2)2COOH, Ka = 1.5 x 1-^-5) and 0.20 M sodium butyrate, (NaCH3(CH2)2COO).

  Compute the number of spheres in a 3-d patch of spheres

spheres that detect glucose have a diameter of 10nm and are tightly packed into patches. Calculate the number of spheres in a 3-d patch of spheres that is 3mm high and has an area of 6mm^2.

  Compute molar mass of ethanol after calculated molar mass

Compute molar mass of ethanol after calculated molar mass in an experiment and the given molar mass of ethanol is 46.07g

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