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Choose the statement below that correctly describes information listed on a food label.
In which one of the following aqueous solutions would you expect silver (I) bromide to have the lowest solubility. and why
How much heat is given off when 11.0 grams of manganese is converted to Mn2O3(s) at standard state conditions? Hf of Mn2O3(s) is -962.3 kJ/mol.
List infrared peaks which are found for methyl m-nitrobenzoate which would not be found in the infrared spectrum of methyl benzoate. List functional group/bond as well as position.
Rate of reaction for 8H2S +4O2 -> 8H2O + S8, if started with 21.35g of H2S and 15.36g of O2. What is the limiting reactant and how much S8 can be produced?
a. determine the electron-domain geometry of osf4b. draw two possible molecular geometries for the molecule based on
Problem- Acetyl-CoA and succinyl-CoA are both high-energy thioesters, but their chemical energy is put to different uses. Explain how the chemical energy is used in the two cases.
1.50 grams of butane (C4H10(g), ΔHf° = -125.6 kJ/mol) is completely combusted in the presence of excess oxygen. Assume that all the heat produced goes into heating a cylindrical plate of aluminum (d = 2.70 g/cm3) that is 2.00 cm thick and 10.0 cm ..
A 250.0-mL sample of water was adjusted to pH 10 with ammonia buffer and calmagite indicator was added. The prepared sample required 30.84 mL of 0.00802 M EDTA for titration to the endpoint. Calculate the hardness as ppm CaCO3
In an effusion experiment, it was determined that nitrogen gas, , effused at a rate 1.812 times faster than an unknown gas. What is the molar mass of the unknown gas
How many grams of oxygen reacted with the phosphorus?
Given that the delta H of vaporization = 35.00 kj/mol and delta H of sublimation= 40.00 kj/mol, calculate the triple point of this material. this compound melts at 170.0 k to 270.0 k temperature.
Utilizing the integrated form of the Gibbs-Helmholtz equation compute the Gibbs energy of vaporization of elemental mercury at a temperature of 213 C and a pressure of 1.00bar. Note- Presume the enthalpy of vaporization is constant between 25 C an..
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