User Account

All Pages

Change exothermic or endothermic

Assignment Help Chemistry
Reference no: EM131116229

A certain system absorbs 0.200 kJ of heat and has 0.700 kJ of work performed on it. What is the value of ΔEfor the change? Is the overall change exothermic or endothermic?

Reference no: EM131116229

Questions Cloud

Find the pareto set, core and competitive equilibrium : Find the Pareto set, core and competitive equilibrium - u1.x; y/ D x C y; u2.x; y/ D 2x C 3y
Prepare the journal entries for these transactions : Equity Investment-Trading Feiner Co. had purchased 300 shares of Guttman Co. for $40 each this year and classified the investment as a trading security. Feiner Co. sold 100 shares of the stock for $43 each.
Why do governments use fund accounting : What factors distinguish a government entity from a non-profit entity? Discuss at least 3-4 factors. Why do governments use fund accounting and how do they determine how many funds to use? Discuss at least three reasons for each part of this questi..
Appreciably with temperature : has ΔHº = -163.14 kJ. What is the value of ΔEfor the decomposition of 161 g of N2O at 25 ºC? If we assume that ΔHdoesn't change appreciably with temperature, what is ΔEfor this reaction at 331 ºC?
Change exothermic or endothermic : A certain system absorbs 0.200 kJ of heat and has 0.700 kJ of work performed on it. What is the value of ΔEfor the change? Is the overall change exothermic or endothermic?
What is a joint venture : What is a joint venture?
Equity investments trading swanson company : How much was Gator Co.'s share of Demo Co.'s net income for the year?  How much was Gator Co.'s share of Demo Co.'s dividends for the year?
Heat of vaporization : Chloroform, formerly used as an anaesthetic and now believed to be a carcinogen, has a heat of vaporizationΔHvaporization = 31.4 kJ mol-1.The change,CHCl3(l)  CHCl3(g)hasΔSº = 94.2 J mol-1K-1.At what temperature do we expect CHCl3to boil (i.e., at wh..
Has cross-listing been beneficial for most listed companies : Has cross-listing been beneficial for most listed companies? If yes, why doesn’t every company cross-list?

Reviews

Write a Review

Chemistry Questions & Answers

  Explain what is the radius of a aluminum atom in meters

An atom of aluminum (Al) has a diameter of about 1.2 10-8 cm. (a) What is the radius of a(n) aluminum atom in Angstroms (Å)? Å What is the radius of a aluminum atom in meters

  Which the color change occurs for bromcresol green

Indicators change colors over about 1-1.5 pH units. For bromthymol blue, the pKa is about 7.0. Estimate the pH range over which the color change occurs for bromcresol green indicator.

  What is the density of a block of marble

What is the density of a block of marble that occupies 253 cm and has a mass of 752 g? Answer in units of g/cm

  Actually the resulting mixture could be safely disposed of

a student doing this experiment was puzzled by the fact that while each of the individual solutions being used is

  How much heat is required

How much heat is required to raise the temperature of 7.50 grams of water from 10 degrees celcius to 55 degrees celcius

  Find the composition of stick antiperspirant or deodorant.

Making fibers waterproof or water repellant is a big business. Locate articles on this topic.How many patents does 3M hold in this area?

  Explain how would excess solvent affect the melting point

How would excess solvent affect the melting point. How will impurities affect the melting point.

  Calculate w and q and compute qrev for this change of state

One mole of an ideal gas with a volume of 1.0 L and a pressure of 5.0 atm is allowed to expand isothermically into an evacuated bulb to give a total volume of 2.0L. Calculate w and q. Also calculate qrev for this change of state.

  Explain metal m reacts with oxygen to give the metal oxide

An unknown metal M reacts with Oxygen to give the metal oxide MO2. Identify the metal based on the following information.

  Caffeine has the formula c6h10n4o2

Problem- Caffeine has the formula C6H10N4O2. If an average cup of coffee contains approximately 125mg of caffiene how many moles of caffiene is inone cup

  Explain carbon as carbon dioxide is converted to biomass

Consider a waterbody at that temperature containing 7.0 mg l-1 oxygen. By photosynthesis, 1.5 mg of carbon (as carbon dioxide) is converted to biomass (CH3O) during a single hot day.

  Compute the molarity of c2h5oh in the solution

A solution composed of 20.00 g C2H5OH in 60.00 g CCl4 has a density of 1.280 g/mL. Calculate the molarity of C2H5OH in the solution.

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