Explain the density of the rain water is close

Assignment Help Chemistry
Reference no: EM13532766

The concentrationof the alkane C20H42 (FM= 282.55) in a particular sample in rain water is 0.2ppb. Assume that the density of the rain water is close to 1.00 g/ml and find the molar concentration of C20H42.

Reference no: EM13532766

Questions Cloud

Explain the molar mass of compound is measured : The molar mass of compound is measured to be 33.4, 35.2, 34.1, 33.9 g/mol in four trials. What is the avg molar mass & calculate standard deviation and %RSD for determination of the molar mass
Construct a phylogenetic tree of the organisms : Construct a phylogenetic tree of the following organisms: turkey, pine tree, dog, clam, daisy, andfern. Use the following "evolutionary novelties" to defineeach group: backbone, shell, photosynthetic (produces ownfood), flowers, cones, seeds, hete..
State the surface tension at at 25 degrees celsius increases : Although the viscosity varies over a factor of more than two in the series from hexane to nonane, the surface tension at at 25 degrees Celsius increases by only about 20% in the same series. How do you account for this
How fast is the block moving at the bottom of the incline : A 2.95-kg block initially at rest at the top of a 3.69-m incline with a slope of 42.7° begins to slide down the incline. How fast is the block moving at the bottom of the incline
Explain the density of the rain water is close : The concentrationof the alkane C20H42 (FM= 282.55) in a particular sample in rain water is 0.2ppb. Assume that the density of the rain water is close to 1.00 g/ml and find the molar concentration of C20H42.
What are the parts of the hiv virus : What are the parts of the HIV Virus? Can someone please postimages of them and does anyone know if they have three balls on onestick or one ball on a stick? There different pictures of the virusand it confuses me.
Calculate the magnitude of the average force of the bat : A pitcher pitches a baseball of mass 0.20 kg. The baseball arrives at home plate with a speed of 40 m/s and is batted directly back to the pitcher (horizontally) with a return speed of 50 m/s.  find the magnitude of the average force of the bat on ..
A wide variety of efforts : A wide variety of efforts
Explain reaction is balanced in basic solution : When the following reaction is balanced in basic solution using the lowest possible whole number coefficients, the coefficient of ClO2-(aq) will be: Cl2O7(aq) + H2O2(aq) --> ClO2- (aq) + O2(g)

Reviews

Write a Review

Chemistry Questions & Answers

  Calculate the solubility of concentration

A sparingly soluble salt gets precipitated only when the product of concentration of its ions in the solution (Qsp) becomes greater than its solubility product. If the solubility of BaSO4 in water is 8 × 10-4 mol dm-3, calculate its solubility in ..

  State equimolar samples of different ideal gases at the same

Consider equimolar samples of different ideal gases at the same volume and temperature. Gas A has a higher molar mass than gas B.

  Explain how many molecules of acetylene react with oxygen

How many molecules of acetylene (HCCH) react with 131 molecules of oxygen to produce carbon dioxide and water

  Calculate the final temperature of the mixture assuming no

a 10.0-g sample of ice at -20.0degc is mixed with 105.0 g of water at 75.0degc. calculate the final temperature of the

  What must be the pressure of the n2(g)

An application calls for N2(g) with a density of 1.80g/L at 32 degrees. What must be the pressure (atm) of the N2(g)?

  How many moles of cn- ions will be contained

A 295 mL stock solution contains 2.3 M Ca(CN)2. When 100 mL of the stock solution is diluted to 120 mL, how many moles of CN- ions will be contained in the dilute solution?

  Explain how much energy is required to turn

how much energy is required to turn 500 g of ice at -15.0 celsius to liquid water at 55.0 celsius? specific heat (ice) = 2.10 J/g * C. Specific heat (water)= 4.18 J/g*C

  How much work has been done

A piston has an external pressure of 13.00 atm. How much work has been done if the cylinder goes from a volume of 0.160 liters to 0.540 liters.

  Explain what metal ions are involved in electron transport

What metal ions are involved in electron transport, and what is special about them that enable electrons to be shuttled among the various proteins

  Explain what mass of solid sucrose

What mass (in grams) of solid sucrose (C12H22O11) would need to be added to 2000 grams of water to make an ideal solution with a boiling point of 102.9°C? (Kb for water is 0.512°C/m)

  Define what is the enthalpy change for the combustion

What is the enthalpy change for the combustion of 12.5g C4H10 in excess oxygen? C4H10 (g) + 13/2 O2 (g) ------? 4 CO2 (g) + 5 H2O (g) H0 = -1895 kJ

  Explain what is the change in heat content

the inital temperature of the water was 25.2c at equilbrium the temperature of the water and metal was 30.4 degree c.

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