What mass of water can be heated

Assignment Help Chemistry
Reference no: EM13145975

Suppose that coal of density 1.5 g/cm3 is  pure carbon. (It is, in fact, much more com-  plicated, but this is a reasonable ?rst approximation.) The combustion of carbon is  described by the equation  C(s) + O2 (g) -→ CO2 (g) ?H  ?  = -394 kJ  What is the value of q (heat) when a lump  of coal of size 7.9 cm × 7.4 cm × 6.9 cm is  burned?  What mass of water can be heated from 16C to 100C by burning this piece of coal? Answer in units of g.

Reference no: EM13145975

Previous Q& A

  Aving learned the five core principles does this make sense

Typically the interest rate on the fixed-rate mortgage is higher. Having learned the five core principles, does this make sense?

  What is the difference

the relative price of chicken has increased, so Brain would be expected to purchase less both are true, what is the difference?

  Determining cafr financial statements

The City of Springfield has three pension plans: a locally administered police plan for which it is trustee, a statewide cost sharing plan, and a statewide agency plan. The City would include in its CAFR financial statements for:

  Minimum space requirements for a factory shed

Find out the minimum space requirements for a factory shed, where such lathes are to be installed. The production is done on single shift basis, @ 8 hrs per day for a week of 6 working days and for 50 weeks/year.

  What prevents the ends of chromosomes from getting shorter

What prevents the ends of chromosomes from getting shorter and shorter with each round of replication?

  How much x and y should the consumer purchase

he consumer has $32 to spend, and the price of X, PX = 4, and the price of Y, PY = 1. How much X and Y should the consumer purchase in order to maximize her utility and How much total utility does the consumer receive?

  Basic earnings per share

Angel's net income for the year ended December 31, 2009, was $6 million. The income tax rate is 20%. What is Angel's basic earnings per share for 2009, rounded to the nearest cent?

  Compute also how long it would take for half of a to react

Calculate k, Calculate also how long it would take for half of A to react. assume pseudo first order with k'=k[OH-], since [OH-] is in great excess.

  Which parts of a eukaryotic gene are transcribed

Which parts of a eukaryotic gene are transcribed?

  What effect would this have on the firm optimal output

What effect would this have on the firm's output. Finally, suppose that MCL =$20 and P=$50 but that labor productivity (output per labor hour) is expected to increase by 25%over the next 5 years. What effect would this have on the firm's optimal ..

Reviews

Write a Review

 

Similar Q& A

  Solve the work function problem

The work function for Cu metal is 4.80 eV. If a piece of Cu is bombarded by violet light (λ = 4,000 Å), will electrons be ejected? "YES" or "NO" with supporting argument/calculation.

  What percent (by moles) of he is present

Helium-oxygen mixtures are used by divers to avoid the bends and are used in medicine to treat some respiratory ailments. What percent (by moles) of He is present in a helium-oxygen mixture having a density of 0.508g/L at 25C and 721mmHg?

  Organic chemistry

Organic Chemistry-In the mass spectrum of butylbenzene, the base peak occurs at m/z

  What is the rate constant for this reaction

The rate constant k for a first order reaction is 1.36 * 10 -3 s -1 at 90 degrees Celcius and the activation energy is 78.4 kJ/mol. What is the rate constant for this reaction at 50 degrees Celcius?

  How many moles of electrons are transferred

Considering which elements are being oxidized and reduced, determine how many moles of electrons are transferred between the elements being oxidized and reduced

  Determine the ph change

total molarity of acid and conjugate base in this buffer. A boy mixes 5.70mL of a 0.330M Hydrochloric acid  solution to the beaker. Determine the pH change if  The pKa of acetic acid = 4.760.

  What is the theoretical yield of bismuth

What is the theoretical yield of bismuth when 393 g of Bi2O3 reacts with excess carbon as shown below? Bi2O3 + C(s) => Bi(s) + CO(g) (not balanced)

  How many grams of o2 are required

Otane has a density of 0.692 g/mL at 20°C. How many grams of O2 are required to burn 5.95 gal of C8H18?

  Compute the concentration of ethanol in wine

Calculate the concentration of ethanol in wine in terms of mass percent and molality. mass percent? answer in % molality? answer in mol/kg

  What would have been the percent error

if the syinge colume had been incorrectly read, giving a calculated system volume of 25.6 mL, what would have been the percent error in the calculated value of R?

  What is the volume of 1.5 mol of nitrogen gas

What is the volume of 1.5 mol of nitrogen gas at 0.5 atm of pressure and 58 degrees celsius

  Explain the overall percent recovery for the three step

The weight of the product (Hexaphenylbenzene) for this part of the reaction was 2.04 g. What is the percentage yield? What is the overall percent recovery for the three step process?

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