Explain how many grams of water can be cooled

Assignment Help Chemistry
Reference no: EM13214557

For many years drinking water has been cooled in hot climates by evaporating it from the surfaces of canvas bags or porous clay pots. How many grams of water can be cooled from 40.°C to 19°C by the evaporation of 41 g of water?

Reference no: EM13214557

Questions Cloud

Compute the amount of heat required to melt : Calculate the amount of heat (in J) required to melt the sample. Use the following data: Tp = 44oC; C = 94 JoC-1 mol-1; ?Hfusion = 2.5 kJ/mol.
Explain the molar concentration of methanol in the mixture : What is the molar concentration of methanol in the mixture? Give answer in M, 2 significant digits, do not write down the units.
State octane ratings are assigned to gasoline mixtures : Octane ratings are assigned to gasoline mixtures based on their ability to prevent knocking relative to isooctane. Estimate the energy released during the combustion of 1.00 mol of pure isooctane.
Explain what mass of this substance must evaporate to freeze : The heat of vaporization of CCl2F2 is 289 J/g. What mass of this substance must evaporate to freeze 165 g of water initially at 15°C? (The heat of fusion of water is 334 J/g; the specific heat of water is 4.18 J/g-K.)
Explain how many grams of water can be cooled : For many years drinking water has been cooled in hot climates by evaporating it from the surfaces of canvas bags or porous clay pots. How many grams of water can be cooled from 40.°C to 19°C
State what is stands for molality solution of hcl : What is the molarity of a 15.5 m (m stands for molality) solution of HCl if the density of the solution is 1.33 g/cm^3.
Explain a mixture of acetic acid and acetate ion : This buffer is to be prepared by mixing 25.0 mL of 0.1 M HCl with the correct mass of solid sodium acetate. You will determine the mass of solid sodium acetate needed.
Calculate the cash dividend to be paid in 2008 : Calculate the cash dividend to be paid in 2008 under each of the three proposals-Proposals for distributing of 2008 profits Maintain the dividend payout ration of 2007
Explain what is the rate constant at this temperature : The half-life for a first-order reaction is known to be 379 seconds at a given temperature. What is the rate constant at this temperature?

Reviews

Write a Review

Chemistry Questions & Answers

  Explain the efffect of temperature on the solubility of gas

Explain the efffect of temperature on the solubility of gases in liquid? What effect does pressure have on the solubility of gases in liquid( Henry's Law)?

  Need to carry out chemical reaction that is water sensitive

you want to carry out chemical reaction that is water sensitive, however the glassware contains salts and you need water to wash them out. the reaction you are going to perform can be done either in acetonitril or toluene

  Define the product was then treated with toluene

The product was then treated with toluene. Will the product result in the formation of 1-hexene, ethyl hexyl ether (1-ethoxyhexane), or both? Please explain.

  How much nh3 is needed to react

Consider the reaction 2NH3 + CH3OH → products .How much NH3 is needed to react exactly with 21 grams of CH3OH?

  State a balanced chemical equation for the reaction

Write a balanced chemical equation for this reaction. Express your answer as a chemical equation. Identify all of the phases in your answer.

  What is the total pressure in the flask

A 1.20 sample of dry ice is added to a 745 mL flask containing nitrogen gas at a temperature of 25.0 C and a pressure of 735mmHg .

  How fast must a 144.1g baseball travel

how fast must a 144.1g baseball travel in order to have a de Broglie wavelength that is equal to that of an x-ray photon with = 73 pm?

  Explain anomer of its pyranose haworth structure

Starting with d-talose (you can find this in the book or online) draw the \(\beta\) -anomer of its pyranose Haworth structure.

  What are the amounts in grams of feo in original sample

A mixture of FeO and Fe2O3 with a mass of 10.0 g is converted to 7.43 g Fe of pure Fe metal. What are the amounts in grams of FeO and Fe2O3 in the original sample

  What mass of hcl gas must be added to produce a solution

What mass of HCl gas must be added to 1.00 L of a buffer solution that contains [acetic acid] = 2.0 M and [acetate] = 1.0 M in order to produce a solution

  What are the percentages of co2 and ne in the sample by mole

If the sample contains a combined total of 1.90 mol and has a total mass of 60.3g, what are the percentages of CO2 and Ne in the sample by mole?

  Compute the osmotic pressure of a sucrose solution

Calculate the osmotic pressure of a 20% sucrose solution given that the molecular weight of sucrose is 342g.

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