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A U-tube manometer filled with mercury is connected between two points in a pipeline. If the manometer reading (difference in heights) is 26 mm of Hg, calculate the pressure difference in kPa between the points when (a) water is flowing through the pipeline, and (b) also when air at atmospheric pressure and 20oC with a density of 1.20 kg/m3 is flowing in the pipeline.
A researcher attempts a substitution reaction with two different reagents, water or hydroxide ion, to see which route is better. Draw the major,
Does increasing the size of an axial substituent always result in higher relative strain energies for the axial conformation
In preparation of p-iodonitrobenzene, the reaction is driven forward by the formation of N2 gas for two reasons. Reason number one is thermodynamic and reason number two is kinetic. Explain both of these reasons
Complete and balance an equation describing each of the above reactions. (Use the lowest possible coefficients. Omit states-of-matter in your answer.)
Substituents on an aromatic ring can have several effects on electrophilic aromatic substitution reactions. Substituents can activate or deactivate the ring to substitution,
At 40 degrees celsius the vapor pressure of methyl alcohol is 254 mmHg and at the same temperature the vapor pressure of ethyl alcohol is 135 mmHg.
The label on a bottle of concentrated HCl says the contents are 36% HCl by mass and have a density of 1.179 g/mL. What is the Molarity of the Conc. HCl.
Consider an electrochemical cell with a cobalt electrode immersed in 1.0 M Co2+ and a lead electrode immersed in 1.0 M Pb2+. Co2+ + 2e- --> Co E0 = -0.28 V Pb2+ + 2e- --> Pb
The average molecular speed in a sample of CH4 gas is 641 m/s at 311 K. The average molecular speed in a sample of He gas is ________ m/s at the same temperature.
Cesium ions are added to flood the flame with electrons. It needs to be in a large concentration, larger than what is being measured.
To what volume should you dilute 150 mL of an 8.00 M CuCl_2 solution so that 55.0 mL of the diluted solution contains 5.9 g CuCl_2
a solution was prepared by mixing 50.00 ml of 0.190 m hno3 and 124.00 ml of 0.150 m hno3. calculate the molarity of the
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