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The molar masses of He and of HCl are 4.00 g/mol and 36.46 g/mol, respectively, if helium's average speed is 1200 m/s, what is the average speed of HCl?
Explain the development of MRI imaging technology is one useful spinoff of the basic research into the structure of the atom. Research, but, is expensive. Numerous people argue that the high cost of research outweighs it potential benefits
Sketch a titration curve for the titration of 100mL of 1.25x10^-2 M ascorbic acid with 1.00x10^-2 M NaOH, given that Ka= 8.0x 10^-5 and Ka2= 1.6x10^-12. How many equivalence points should the curve have and what color indicator(s) could be used?
Calculate the conditional formation constant Kf for the formation of an EDTA complex with copper (II) at a pH of 5.00, if log Kf= 18.80
sulfuryl chloride so2cl2 decomposes when heatedso2cl2g ? so2g cl2gin an experiment the initial concentration of
Sample containing three organic compounds: a hydrocarbon (RH), carboxylic acid (RCOOH), and an amine (RNH2, organic compound with acid-base properties similar tammonia).
assuming the temperature is constant predict whether the change in entropy delta s is positive negative or zero during
two evacuated bulbs of equal volume are connected by a tube of negligible volume. one bulb is placed in a 200 k
Acid strength decreases in the series HI > HSO4- > HF > HCN. Which of these anions is the weakest base?
Carbon monoxide gas reacts with hydrogen gas at elevated temperatures to form methanol according to this equation. CO(g) + 2 H2(g) CH3OH (g)
Water vapor is another product. Use this information and data from elsewhere in the text to estimate the carbon-to-sulfur bond energy in methanethiol.
Will a precipitate of Fe(OH)3 form when 100.0 mL of 0.50 M Fe(NO3)3 is added to 500.0 mL of 2.0 M NaCN. Ka = 7 x 10-10 for HCN.
determine what would be its temperature after absorption of 9.4 10-2 kwh of heat if 1.45 l of water is initially at
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