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A 72.65-g bar of iron was heated to 99.7 degrees C and then dropped into 35.0 mL of water at 20.0 degrees C. The temp of the water increased to a maximum of 33.2 degrees C. Calculate the specific heat of iron. Assume that the density of the water is 1.00 g/mL.
For a solution having 1.00 x 10^-3 equivalents/L total alkalinity (contributions from HCO3-, CO32- and OH-) at [H+] = 4.69 x 10^-11, what is the percentage contribution to alkalinity from CO32-
Explain what is the percent yield of lithium hydroxide with CO2 to yield lithium bicarbonate in which 50.0g of LiOH is reaction as well as 72.8g of LiHCO3 is experimentally obtained
Vanillin is the substance whose aroma the human nose detects in the smallest amount. The threshold limit is 2.0 x 10^-11 g per liter of air. If the current price of 50.0 g of vanillin is $103 determine the cost to supply enough vanillin so that th..
In the appropriate reaction conditions hydrogen and nitrogen react to form ammonia. If a reaction vessel primarily contained 500 hydrogen molecules and 150 nitrogen molecules, which molecules would stay after the reaction went to completion
How would you try to offset the negative effects? What would you suggest to city planners as a way to lessen suburban "sprawl" in future development?
Given that the Ksp for silver bromide is 3.3 x 10-13, which of the following solutions would NOT produce a precipitate of AgBr? and WHY?
Write a balanced chemical equation including phase labels for the reaction between aqueous copper(II) nitrate and aqueous sodium hydroxide
When 2.65g of an unknown weak acid (HA) with a molar mass of 85.0 g/mol is dissolved in 250.0g of water, the freezing point of the resulting solution is -0.256 C. Calculate Ka for the unknown weak acid.
Calculate Enthalpy of HNCO given that the enthalpy of the following reaction is -221.4 KJ/mol.
Question- How many distinct tripeptides can be made from the two amino acids leucine and histidine? (each amino acid can be used more the once).
The bromocresolgreen end point of the titration was reached after the addition of 30.00 mL of hydrochloric acid solution. Calculate the concentration of the acid solution.
Question- Given the Volatic cells what is the equation for the spontaneous redox reation and cell diagram notation.
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