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To make sure that the white powder was all sodium chloride and not mixed with sodium hydrogen carbonate, would you need to add a little less or a little more hydrochloric acid to the reaction?
What is the overall mass-transfer coefficient for oxygen (O2) from the atmosphere to the river (b) Which part of the transfer mechanism controls the overall rate
how much heat (in kj) is needed to convert 866g of ice at -10 degree C to steam at 126 degree C? (the specific heats of ice and steam are 2.03 j/g degree C and 1.99 j/g degree C.
What is teh dilution of your unknown, so calculate back to final concentration. And if 1000 ppm is to be used for the serial dilutions (unknown is close to 1 ppm), what standard concentration should I use for additions
What effect will increasing the temperature have on the system? Fe3O4(s) + CO(g) ?? 3 FeO(s) + CO2(g) DH°= +35.9 kJ A) No effect will be observed. B) The reaction will shift to the right in the direction of products.
how many grams of zinc metal will react with 24.5 ml of 2.0 m hydrochloric acid hcl forming zinc chloride zncl2?
When NO(g) reacts with H2(g) to form N2(g) and H2O(l), 376 kJ of energy are evolved for each mole of NO(g) that reacts. Write a balanced thermochemical equation for the reaction with an energy term in kJ as part of the equation.
Write half reactions for the anode and cathode and the write a balanced cell reaction. Please include the states of matter in the equation
you take 20.0 g of a sucrrose c12h22o11 and nacl mixture and dissolve it in 1.0 l of water. the freezing point of this
Please draw the mechanism for this reaction: Acetic anhydride (C4O3H6) with 2 eqivalents of Dimethylamine (CH3)2HN makes C4NOH9 (one double bond going to Oxygen coming off the 2nd carbon and the 2nd carbon is also attached to the N.
If potassium ion is in solution, the ion could be reduced to potassium metal. In acidic solution, which would be more thermodynamically favorable: the reduction of K+ or the reduction of H+
The rate at which an Australian tree cricket chirps is 184 per minute at 35oC, but only 50 chirps per minute at 10oC. Assuming that cricket chirping follows the Arrhenius Law, what is the activation energy for the cricket chirping (in kJ/mol)? Ent..
if a room has a volume of 127m3 then calculate its volume a in km3? b in dm3? c in cm3?a suspension of an infant
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