Calculating the percent of the acid
If the freezing point of a 0.105 m CH3COOH solution is -0.206°C, calculate the percent of the acid that has undergone ionization.
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An ideal PEM cell needs 30.35 g H2 to produce one kWh of electrical output. Suppose an electric car can travel 10 miles per kWh. How much hydrogen would be needed to give the car a range of 300 miles if the source of electricity is an on-board
A radioactive metal atom decays (goes to another kind of atom) by emitting an alpha particle (He2+ ion). The alpha particles are collected as helium gas. A sample of helium with a volume of 12.75 mL was obtained at 771 mmHg and 23°C. How many
In the reaction between glucose and oxygen 10.0 g of glucose reacts and 7.50 L of carbon dioxide is formed. What is the percent yield if the density of C)2 is 1.26 g/L?
A bakelite plate (see Fig. 2) with an elliptical hole is being examined to ßnd the stress concentration factor. It is in a state of plane stress. By a method called photoelasticity.
A 10.0 L vessel at 20*C contains butane, C4H10(g), at a pressure of 2.00 atm. What is the maximum amount of work that can be obtained by the combustion of this butane.
A sample of ethanol (ethyl alcohol), C2H5OH, contains 6.3 10E23 hydrogen atoms. How many C2H5OH molecules are in this sample?
USE VHDL and the two 7 segment digits on your eSOC to count up from 0~99 with 0.5 second interval. Once it reaches 99, count down 99~0 and repeats 0~99 (up and down) continuously."
If O2 is collected over water at 40.0 Celsius and a total pressure of 737 mmHg, what volume of gas will be collected for the complete reaction of 23.92 g of NiO?
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