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What is the order of C=O absorption frequencies for aldehydes, ketones, esters, anhydrides, carboxylic acids, amides, and acid chlorides? That is, what is the trend describing the relative frequencies of these groups?
what is the volume of co2 is being produced for every metric ton 1103 kg of limestone cao that the plant produces from
The half-life of tritium (31H) is 12.3 years. If 55.0 mg of tritium is released from a nuclear power plant during the course of a mishap, what mass of the nuclide will remain after 49.2 years?
a what safety precaution should you follow when working with thegas chromatogram injection port?b what will raising the
Write a net ionic equation for the reaction that occurs when zinc sulfide (s) and excess hydriodic acid (aq) are combined.
A buffer solution is prepared by dissolving 0.200 mol of NaH2PO4 and 0.100 mol of NaOH in enough water to make 1.00 L of solution. What is the pH of the H2PO4- / HPO42- buffer if the Ka2 = 6.2 * 10^-8 A) 7.71
How much time is required to produce 200g of aluminum metal from molten aluminum oxide dissolved in cryolite, if you use a 12amp current
A gas expands and does 82.7 J of work on the surroundings. At the same time, the gas loses 103 J of energy to the surroundings as heat. What is the change in the internal energy of the gas?
calculate the ph of solution formed by mixing 150 ml of 0.10m hc7h5o2 with 100 ml of 0.30m nac7h5o2. the ka for hc7h5o2
Use enthalpies of formation to calculate the standard enthalpy of reaction for the following methane-generating reaction of the methanogenic bacteria
Draw the organic product(s) of the reaction of p-methylbenzoic acid with aqueous sodium hydroxide
Equilibrium shift of the reaction and the pH of solution, 1. The pressure on each of the following systems is decreased from 5 atm to 1 atm. Which way does the equilibrium shift in each of the following systems?
The molar mass of the substance was found to be about 300g/mol. what is the molecular formula of the unknown powder? was the substance cocaine?
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