User Account

All Pages

Change in internal energy of the system

Assignment Help Chemistry
Reference no: EM131057133

What is the change in internal energy of the system (ΔU) if 36 kJ of heat energy is absorbed by the system and 84 kJ of work is done by the system for a certain process?

  • 120 kJ
  • -120 kJ
  • 48 kJ
  • 36 kJ
  • -48 kJ

Reference no: EM131057133

Questions Cloud

Normal boiling point of o-xylene : At the normal boiling point of o-xylene, ΔH°vap = 36.2 kJ/mol and ΔS°vap = 86.7 J/(mol • K). What is the normal boiling point of o-xylene?
What should the moderator say in their introductory remarks : Why have feminists argued that focus groups successfully avoid "decontextualizing" their participants? What are the two main forms of group interaction that Kitzinger identifies in focus group sessions?
Standard enthalpy of fusion of bromobenzene : The standard enthalpy of fusion of bromobenzene is 10.7 kJ/mol at its melting point, 242.4 K. What is the standard change in entropy for the melting of bromobenzene at its melting point?
Information system and organization : Information System (IS) is the back bone of every organization. It assists an organization in many ways and in most cases proper integration of Information System into an organization triggers greater profit margins.
Change in internal energy of the system : What is the change in internal energy of the system (ΔU) if 36 kJ of heat energy is absorbed by the system and 84 kJ of work is done by the system for a certain process?
Determine the absolute and relative flow angles upstream : determine the absolute and relative flow angles upstream of the runner at the hub, mean, and tip radii.
Potential of a standard hydrogen : 1) A current of 4.72 A is passed through a Ni(NO3)2 solution. How long (in hours) would this current have to be applied to plate out 4.90 g of nickel? 2) What would the potential of a standard hydrogen (S.H.E.) electrode be if it was under the f..
Perform a life cycle costing calculation : PRJM6001 PROJECT COST MANAGEMENT - ASSIGNMENT. Assignment Details - You are contemplating the purchase of a new SUV for family use. You are to choose a new model and perform a Life Cycle Costing calculation using the Net Present Value method to det..
What is meant by the term ethnographic particulars : What is meant by the term "ethnographic particulars"? What have conversation analysts found that people generally do to "repair" the damage caused by a "dispreferred response"?

Reviews

Write a Review

Chemistry Questions & Answers

  Describe complete ionic equation and net ionic equation

For the following reactants, predict the products formed (if any) and write the balanced molecular equation, complete ionic equation and net ionic equation. NaHSO3(aq)+HI(aq)

  State what probabilities will values occur

If the electrons after S_x measured are sent through a Stern - Gerlach analyzer to measure S_z(spin momentum along z-axis) again, what values will be found? with what probabilities will these values occur?

  High blood levels of triglycerides are thought to partially

High blood levels of triglycerides are thought to be partially responsible for clogging of arteries, heart attacks, and strokes. A female had a blood test that gave a high triglyceride level

  State fluorescence of the diluted sample solution was found

A 0.1019g portion of an aspirin tablet was dissolved in sufficient water to prepare 1.000L of solution. A pipet was used to transfer 10 mL of the solution to a 100 mL volumetric flask.

  How to calculate the concentration of ch3oh

Suppose that the molar concentrations for CO and H2 at equilibrium are [CO] = 0.05 and H2= 0.08 . Use the formula CH3OH= Kc[CO][H2]^2 to calculate the concentration of CH3OH.

  Balance the eqaution c4h9soo2 co2 so2h2o using the

balance the eqaution c4h9soo2 co2 so2h2o using the smallest possible integers. what is the sum of the coefficients in

  What is the energy of the transition

CO exhibits an infrared absorption band at 2143 cm^-1 that is attributed to the symmetric stretching transition. Assuming this corresponds to a transition from the v=0 to v=1 vibrational quantum number

  Describe how many milliliters of each solution

Given a buret filled with 0.13 M acetic acid and a second buret filled with 0.17 M sodium acetate, how many milliliters of each solution should be mixed together to produce 23.5 mL of a solution with a pH of 4.82

  Explain how many milliters of the stock solution

If a chemist wants to make 1.3 l of 0.25 m solituion of KOH by diluting a stock solution of 0.675 m KOH, how many milliters of the stock solution would the chemist need to use

  Explain study diffusion in liquids and methylbenzene

Two solutes were used to study diffusion in liquids, methylbenzene, which is a small molecule that can be approximated as a sphere, and a liquid crystal that is long and rod like.

  Explain what is the concentration of n2 gas at equilibrium

What is the concentration of N2 gas at equilibrium when the concentration of NO2 is twice the concentration of O2 gas

  What products are formed when aqueous solutions

Problem- What products are formed when aqueous solutions of calcium bromide and potassium phosphate are mixed

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