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A 20.0 gram aluminum ball (specific heat 0.90 J g-1 °C-1) at 80 °C was placed in 50 grams of water initially at 22.9 °C. What is the final temperature of the water and aluminum assuming no heat was lost during the energy exchange.
you decide to use methyle red indicator instead of universal indicator for preparation of your pH color standard what effect have on your data?
Explain why Lewis dot structure for S2Cl2 IS Cl - S - S - Cl why does the two sulfurs have to be beside each other and the two chlorines have to be the first and last?
Find the formula of a compound using stoichiometry and ideal gas equation and Deduce from these data the corresponding equation and write formulas for the oxide and sulfate of M .
Question- A 0.75 M solution H2SO4 in water has a density of 1.046 g/mL. What is the concentration of this solution in a) Mole fraction XH2SO4
A student is asked to determine the formula of a hydrate of colbalt (II) chloride. The mass of the empty clean, dry crucible and cover, after heating is 22.446 g. A sample of 0.324 g of cobalt chloride is added to the crucible.
a female patient requires 2.70times10-2 grams of a sulfa drug then determines how many tablets should be given to her
Using triethylamine with alkyl halides such as iodoethane, 1-bromopropane, 2-bromopropane, describe how steric hindrance affects the rate of an Sn2 reactions. Use specific chemical examples to support the conclusion
What is the change in internal energy of the system, with the system regarded as the CD player alone? Assume that the battery does 500 kJ of work on the CD player, which then does the same amount of work on the surroundings.
What is the molarity of a solution prepared by diluting 25 drops of 0.35 M K2SO4 solution with 75 drops
Spectroscopic studies have shown that the fusion reaction in the sun's core proceeds by a complicated mechanism. One proposed overall equation for the solar fusion reaction is
This might not be a good question to ask on here but I don't know where else to try and get some help. What I cant figure out is what buttons to push on my calculater
This leaves the aspartic acid amine group and the side chain carboxylic acid functional group of aspartic acid. Find the values for these two groups of as partic acid and calculate a predicted pI value for aspartame
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