What percentage difference in the hydrogen ion concentration
The pH of ocean water is about 8.1. If it changes as expected over the next century it may drop by 0.3 to 0.5 pH units. What percentage difference in the hydrogen ion concentration will this make?
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Express the work of isothermal reversible expansion of a vanderwaals gas in reduced variables and find a definition of reduced work that makes the overall expression independent of the identity of the gas.
A sound source of 500 Hz with an acoustic power of 1/10 of a watt how do you find the intensity 1/2 a m from the source, the pressure amplitude, and the magnitude of the specific acoustic impedance assuming the amplitude of the particle velocity i
How does the mass density compare to the density of individual neutrons (take them to have a radius of 2.3 attometers.
A copper penny has a mass of 3.1 g. Being electrically neutral it contains equal amounts of positive and negative electricity.
a. What equal positive charges would have to be placed on the earth and on the moon to neutralize their gravitational attraction?
Calculate the change in molar Gibbs energy of carbon dioxide (treated as a perfect gas) at 200 C when its pressure is changed isothermally from 1.0 bar to (a) 3.0 bar (b) 2.7 x 10-4 atm, its partial pressure in dry air at sea level.
A mixture of the compounds aluminum chloride and magnesium sulfide contains 48.2 g of aluminum chloride and is 68.3 % by mass aluminum chloride. Calculate the mass (g) magnesium sulfide in the mixture.
Calculate the molar composition of the product gas for each of the following three cases: (i) theoretical air supplied, 100% conversion of butane; (ii) 20% excess air, 100% conversion of butane; and (iii) 20% excess air, 90% conversion of butane.
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What is another way to say ". It is important to ensure that the youth understand what the study involves, what their participation entails
The purpose is to examine the psychological factors affecting how teenagers in an impoverished urban area spend their time outside of school using:
Question: Identify a true statement about validity as applied to a test. Multiple choice question
Prior to your taking this graduate HR law class you had heard of the term "gender stereotyping," but didn't know much about it.
Working in the yard, you feel unpleasantly hot and sweaty when you come in the house, so you take a shower and begin to feel better.
Describe the results, including any scores. Result: E6% Extraverted Action oriented, Outgoing, Expressive, Hands-On S17% Sensing Traditional,
Problem 1: Identify a specific theory of cognitive or moral development, and summarize the major assumptions.