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Find the heat transferred (in kJ) when 5.55 L of ethylene glycol (d = 1.11 g/mL) in a car radiator cools from 40.0°C to 25.3°C.
What minimum votage is required to electrolyze anhydrous HF. the H-F bond is so polar that liquid HF is essentially composed of H^+ and F^- ions.
Compounds in a and b were named incorrectly. On a sheet of paper draw the molecule that fits the given description. From the structure you drew determine the correct IUPAC name. Write the correct IUPAC name in the blank.
What kind of experimental conditions do you think you would need in order to carry out the reverse reaction. (The preparation of ester from an acid and alcohol)
Fish are processed into Fish meal and used as a supplemen- tary protein food. In the processing the oil is First extracted to produce wet Fish cake containing 80 wt % water and 20 wt % bone-dry cake
Transition from the n=7 to n=2 level of the hydrogen atom yields a photon at the edge of human visual perception. Determine the energy and wavelength of this light.
The average January temperature in New Orleans is 56 F. The average July temperature is 83 F. Consider a house in the city that exchanges heat with the outside in accordance with the relation dq/dt = A(To - Ti).
The formaldehyde content of a pesticide preparation was determined by weighing .3124g of liquid sample into a flask containing 50ml of .0996M NaOH and 50mL of 3%H2O2. On heating, the following reaction took place
Can someone please draw the scheme of Selenium: "A sample is preserved in the field at 4oC. The sample aliquot is oxidized, in acidic persulphate
sample of sodium reacts with 0.497 kg of chlorine forming 819 g of sodium chloride, what mass of sodium reacted
what is the bp of its enantiomer?What optical rotation would be observed if 7.2 g of (S)-amine were mixed with 7.2 g of the (R)-amine?
How many grams of liquid sodium (minimum) are needed to absorb 4.70 MJ of energy (in the form of heat) if the temperature of the sodium is not to increase by more than 10.0 °C?
How to prepare ml of 0.2ml of calcium chloride solution from calcium chloride anhydrous or from calcium chloride dihydrate?
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