Explain what is the change in internal energy

Assignment Help Chemistry
Reference no: EM13231012

What is the change in internal energy (?E) when a system loses 10 kJ of energy and 5000 J of work is done on the system?

Reference no: EM13231012

Questions Cloud

Compute the gibbs free energy change of transformation : Calculate the Gibbs free energy change of transformation at 286 K and 1 atm. Tin transforms from gray tin to white tin at 286 K and constant pressure of 1 atm. The following data are given for both gray and white tin:CP = 21.6 + 18.2 x 10-3 T
Describe the hypothyroidism and hyperprolactinemia : In the case of hypothyroidism induced by a hyperprolactinemia, whatwould the levels of PRL, TRH, TSH, and thyroid hormones
Write program that asks user how many students to process : Write a program that asks the user how many students to process (must be at least 1, but no more than 20) and then reads in the scores for three items, an exam average score (double number), lab average score (double number) and homework average s..
State the final temperature of the two pieces of metal : A 15.0 g piece of iron (Cp = 25.09 J/mol-C) is heated to a temperature of 47.0 ?C and then placed in contact with a 275 g piece of copper at 20.0 ?C (Cp = 25.46 J/mol-C). What was the final temperature of the two pieces of metal?
Explain what is the change in internal energy : What is the change in internal energy (?E) when a system loses 10 kJ of energy and 5000 J of work is done on the system?
Calculate the hole diffusion current density versus x : The total current in a semiconductor is constant and is composed of electron drift current and hole diffusion current. The electron concentration is constant and is equal to 10^17 cm^-3. The hole concentration is given by p(x)
State what is the volume of the gas under the new conditions : 25.0 mL of a gas with a pressure of 1.00 atm is contained in a balloon at 25.0 C. The balloon is then cooled to 5.0 C, and the pressure is found to be 0.750 atm. What is the volume of the gas under the new conditions?
Explain the bottleneck and the founder effects : What two evolutionary agents are most responsible fordecreases in gentic variation in a population, What is the difference between bottleneck effect and the founder effect
Whats the probability of the 5th roll being the first roll : A fair 6-sided die was tossed in a fair way 5 times. a. What's the probability of getting the sequence of outcomes 1, not 1, 2, not 2, 3 b. What's the probability of getting exactly two 6's in the sequence of 5 tosses

Reviews

Write a Review

Chemistry Questions & Answers

  State what is the partial pressure of nitrogen

what is the partial pressure of nitrogen in a container that contains 3.96mol of oxygen

  Explain the flame in a torch used to cut metal

The flame in a torch used to cut metal is produced by burning acetylene (C2H2) in pure oxygen. Assuming the cumbustion of 1 mole of acetylene released 1251 kJ of energy

  State when mixed hcl an acid and naoh a base will react

When mixed HCl an acid and NaOH a base will react with each other. a) Write the balanced neutrali zation equation for this reaction

  Explain methyl iodide and isopropyl bromide

Assume that you need to prepare 4-methyl-2-pentyne and discover that the only alkynes on hand are acetylene and propyne. You also have available methyl iodide, isopropyl bromide, and 1,1-dichloro-3-methylbutane.

  The extinction coefficient dilution of the enzyme

An enzyme-catalyzed reaction produces a product that has a maximum absorbance at 412nm. The extinction coefficient is 4000M^-1cm^-1, A l0 to-l dilution of the enzyme is made and 20 u.L of the dilution are put into a cuvette with 80 ul of water and..

  Compute the number of lines per centimeter

Calculate the number of lines per centimeter that should be etched in the grating for each of the following conditions:(a) A first order diffraction angle (?) of -27° for visible light of 600 nm wavelength

  How man moles of gas were added to the container

a gas sample containing 1.50 mol at 25 exerts a pressure of 400 torr. some gas is added to the same container and the temperature increased to 50 C. If the pressure increases to 800. torr, how man moles of gas were added to the container? assume a..

  Compute the percentage ionization of benzoic acid

calculate the percentage ionization of benzoic acid at the following concentration : assume the approximation for both cases to be correct : a) 0.20M b) .0.00020M

  Explain elucidate the electron transport chain

Inhibitors helped to elucidate the electron transport chain. For the conditions below what would happen i) if rotenone were added to a suspension of respiring mitochondria or, ii) if cyanide were added.

  Calculate the volume of 105 cells in liters

The volume of a certain bacterial cell is 1.60 µm3. What is the volume of 105 cells in liters (L)?

  Supposing the earth is a perfect sphere

Assuming the earth is a perfect sphere with a radius of 6371 km and an atmosphere that extends from the surface to an altitude of 20 km determine the number of metric tons of the elements/compounds+

  How many moles of oxygen are combined

How many moles of oxygen are combined with 4.20 moles of chlorine atoms in C2O7?

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