The molar mass of an oxygenated hydrocarbon substance is
The molar mass of an oxygenated hydrocarbon substance is 88.0 g / mole.Its composition is as follows:O:36.4%,H :9.0%,C:54.6%.Calculate the empirical formula and molecular formula.(use atomic mass C=12.0,H=1.0,O=16.0)
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You look directly overhead and see a plane exactly 1.2·km above the ground, flying faster than the speed of sound. Find the angle of the shock wave cone
Calculate the concentration of (C6H6O6)2- in an aqueous solution of .0619 M ascorbic acid, H2C6H6O6 (aq).
Why the presence of a phenyl group causes loss of stereospecificity in this alkene bromination?
A model rocket engine has an average thrust of 5.26 N. It has an initial mass of 25.9 g, which includes fuel mass of 13.4 g. What is the average exhaust speed of the engine
Nichrome wire of cross-sectional radius 0.758 mm is to be used in winding a heating coil. find the length of wire you must use to wind the coil
If the firm's beta is 1.6, the risk-free rate is 9%, and the average return on the market is 13%, what will be the firm's cost of common equity using the CAPM approach?
What would be the effect of increasing the temperature on the following reaction? C2H2(g) + H2O(g) <=> CH3CHO(g) DHrxn = -15 1 kJ 1. [CH3CHO] would increase
The dissolved oxygen of sample water is 1.5 mg/L. At 25 C, the dissolved oxygen of the dilution water is 8.25 mg/L. You are told the BOD5 of the sample is 130 mg/L. You have a target final dissolved oxygen of 3.0 mg/L (give yourself some leeway).
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