Explain the constant-pressure heat capacity of a sample

Assignment Help Chemistry
Reference no: EM13552304

The constant-pressure heat capacity of a sample of a perfect gas was found to vary with temperature according to the expression cp/(J K?1) = 20.17 + 0.3665(T/K). Calculate q, w, ?U, and ?H when the temperature is raised from 48°C to 220°C at the following conditions.

(a) at constant pressure

q,w,delta u, and delta h

(b) at constant volume

q,w,delta u, and delta h

Reference no: EM13552304

Questions Cloud

Explain a large cylinder of helium filled : A large cylinder of helium filled at 2000 lb/in^2 had a small orifice through which helium escaped into a space at the rate of 6.4 mmol/hour. How long would it take for 10 mmol of CO toleak through a similar orifice at the same pressure
What must the capacitance be for a station : The variable capacitor in the tuner of an AM radio has a capacitance of 2820pF when the radio is tuned to a station at 571kHz. What must the capacitance be for a station
Complete orthonormal set of eigenfunctions of the operator : A bound quantum system has a complete set of orthonormal, no-degenerate energy eigenfunctions u(subscript n) with difference energy eigenvalues E(subscript n). The operator B-hat corresponds to some other observable and is such that:
Estimate the magnetic field in the center of the solenoid : A very short solenoid contains N = 20 circular loops of wire. The radius of the loop is R = 0.5 meters, what is the magnetic field in the center of the solenoid
Explain the constant-pressure heat capacity of a sample : The constant-pressure heat capacity of a sample of a perfect gas was found to vary with temperature according to the expression cp/(J K?1) = 20.17 + 0.3665(T/K). Calculate q, w, ?U, and ?H when the temperature is raised from 48°C to 220°C at the f..
Define how many excess electrons has it acquired : On a dry day, your body can accumulate static charge from walking across a carpet or from brushing your hair. If your body develops a charge of -14 (microcoulombs), how many excess electrons has it acquired
Find the filaments temperature : The tungsten filament of a certain 100 W light bulb radiates 2.50 W of light. (The other 97.5 W is carried away by convection and conduction.), Find the filament's temperature
Identify an enterprise technology used in organizations : Identify an enterprise technology used in organizations today that is used to manage the value chain.
Acceleration of ocean liner during this period of time : A boat came to rest at the surface of the ocean before it started to sink. Due to the resistance of the seawater, the sinking boat reached a terminnal velocity of 10m/s for 30 s . Determine the average acceleration of the ocean liner during this peri..

Reviews

Write a Review

Chemistry Questions & Answers

  Explain how many liters of water are required to dissolve

How many liters of water are required to dissolve 1 g of barium sulfate. What is the solubility of barium sulfate in parts per million

  How many moles of ba(oh)2 are present

how many moles of Ba(OH)2 are present in 165ml of 0.600M Ba(OH)2.

  Compute the molar mass of the solute

A solution that contains 87.2g of an unknown compound in 392.4g of water freezes at -8.00 degrees C. Calculate the molar mass(in units of g/mol) of the solute. Kf of water is 1.86 degrees C/m.

  Explain minimum pressure must the tank be able to sustain

A full 50.0 L He cylinder that is attached to a gas chromatograph contains 1.20 kg of the gas. During transport, the temperature of the cylinder may vary from 0ºC to 40ºC. What minimum pressure must the tank be able to sustain

  Explain how many grams of magnesium sulfate were added

Magnesium sulfate, MgSO4, is added to 461 mL of 0.030 M sodium hydroxide, NaOH, until a precipitate just forms. How many grams of magnesium sulfate were added?

  Calculate equiibrium concentration of the carbon monoxide

For the equilibrium H2+CO2-> Kc= 3.18 at 1106K. If each of the 4 species was initially present at a concentration of 3.000M.

  Explain what is the concentration of contaminant in ppm

It is determined that 3.75 x 10^-4g of a contaminant is present in 3750g of a particular solution. What is the concentration of contaminant in ppm (m/m)?

  State the stuctures of molecular substances

Compare the stuctures of molecular substances with those of giant molecular substance

  Define a dilute aqueous solution of ptcl42

What explanation can you give as to why a dilute aqueous solution of PtCl42- is pale yellow to colorless, but a concentrated solution is deep red?

  Define the cell reaction is nonspontaneous

The cell reaction is spontaneous with a standard cell potential of 5.85 V. B. The cell reaction is spontaneous with a standard cell potential of 0.11 V. C. The cell reaction is nonspontaneous with a standard cell potential of -0.11 V. D

  Explain what is the balanced equation of sodium borohydride

What is the balanced equation of sodium borohydride and 4-tert-butylcyclohexanone? The reduction reaction has the product 4-tert-butylcyclohexanol which is a mixture of cis and trans isomers.

  Explain the hypothetical ionic compound mx2

Calculate the lattice energy (kJ/mol) of the hypothetical ionic compound MX2 from the information given below. IE1+ IE2 (M) = 1,487 kJ/mol M(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!

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