Explain drinking water is often cooled by evaporation

Assignment Help Chemistry
Reference no: EM13550839

Drinking water is often cooled by evaporation from the surface of a cloth bag or clay pot. the heat cap of water 4.18 j/g C and >> delta heat vaporation = 40.67 kj/mol if tha heat capacity of the container is negligible , 1.8 g of water evaporating from the surface of the container will lower the temperature of 180 g of water inside the bag by how much Celsius?

Reference no: EM13550839

Questions Cloud

Calculate the angle of the third order peak : In an X-ray scattering measurement the first order diffraction peak is observed at ? = 16.5°. What is the angle of the third order peak
Frequency and wavelength of emitted sound wave : A violin string 12.5 cm long and fixed at both ends oscillates in its n = 5 mode. The speed of waves on the string is 268 m/s, and the speed of sound in air is 348 m/s. What are (a) the frequency and (b) the wavelength of the emitted sound wave?
Calculate what is your breathing rate : Suppose that you are traveling on board a spacecraft that is moving with respect to the earth at a speed of 0.935c. what is your breathing rate
Diagnostic ultrasound of frequency : Diagnostic ultrasound of frequency 3.03 MHz is used to examine tumors in soft tissue. (a) What is the wavelength in air of such a sound wave? (b) If the speed of sound in tissue is 1340 m/s, what is the wavelength of this wave in tissue? (Take the sp..
Explain drinking water is often cooled by evaporation : Drinking water is often cooled by evaporation from the surface of a cloth bag or clay pot. the heat cap of water 4.18 j/g C and >> delta heat vaporation = 40.67 kj/mol if tha heat capacity of the container is negligible
Find the fluid flow rate in cubic meters per second : The Venturi tube shown in the figure below may be used as a fluid flowmeter. Find the fluid flow rate in cubic meters per second
Define the henry''s law constant for the gas : If 108.1 mL of water is shaken with a gas at 2.94 atm, it will dissolve 0.00270 g of the gas. Estimate the Henry's law constant for the gas in water in units of g L-1 atm-1.
Determine what is the speed of the air over the wings : A jet airplane in level flight has a mass of 8.65 104 kg, and the two wings have an estimated total area of 94.0 m2. what is the speed of the air over the wings
Determine the minimum uncertainty in the ducks speed : Suppose Fuzzy, a quantum-mechanical duck, lives in a world in which h = 2?J · s. Fuzzy has a mass of 1.80 kg and is initially known to be within a pond 1.00 m wide. What is the minimum uncertainty in the duck's speed

Reviews

Write a Review

Chemistry Questions & Answers

  What is the partial pressure of argon

what is the partial pressure of helium? If the two flasks are connected through a stopcock and the stopcock is opened, what is the partial pressure of argon?

  What volume of cobalt(iii) sulfate is required

What volume of 0.2500 M cobalt(III) sulfate is required to react completely with a) 25.00 mL of 0.0315 M calcium hydroxide?

  Question 1 a solution of 0100 m acetic acid is prepareda

question 1. a solution of 0.100 m acetic acid is prepared.a what is its ph value?b if 20 of the initial acetic acid is

  Compute the molar concentration of h

If the pH of the solution is 5.4, calculate the molar concentration of H^ + (aq) in the solution.. In (M)

  Define ethanol is a common laboratory solvent

Ethanol is a common laboratory solvent and has a density of 0.789 g/mL

  How many l of o2 gas at stp, are needed

How many L of O2 gas at STP, are needed to react with 15.0 g of Na using the following chemical reaction: 2Na(s) + O2(g) => 2NaO(s)?

  Explain what is the rate constant

What is the rate constant? what would happen if you increase the concentration of NO by a factor of 1.9?

  Explain one molecule of solute per liter of solvent

Starting with a 0.1 M solution and making a series of 1:100 dilutions, how many dilutions must you make to prepare a solution, that on average, has fewer than one molecule of solute per liter of solvent.

  What gas was evolved during this washing step

In the preparation of the esters given in this experiment, the reaction product was extracted with 5% sodium bicarbonate solution in the isolation step. Why? What gas was evolved during this washing step? Write a balanced equation for the reaction..

  What is the density of a block of marble

what is the density of a block of marble that occupies 306 cm3 and has a mass of 804 g? answer in units of g/cm3.

  Explain an organic compound has a molecular mass

An organic compound has a molecular mass of 294.2 and contains 81.58% carbon by mass. How many carbon atoms are in each molecule of this compound

  Explain sodium acetate solution and what will be the ph

sodium acetate solution with 0.250MHCl, what will be the pH at the equivalence point? The Ka for acetic acid is 1.8x 10^-5

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