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Problem- What mass of salt (NaCl) should you add to 1.54L of water in an ice cream maker to make a solution that freezes at -11.0?C ? Assume complete dissociation of the NaCland density of 1.00 g/mL for water.
Solve the above problem and provide steps with explanation
Important information about Identifying unknown substances, Compound A (C7H14O) burned with a yellow, nonsooty flame and did not decolorize a bromine-methylene chloride solution. It did give a positive 2,4-dinitrophenylhydrazine test
Draw the tetrahedral representation of the S enantiomer of the amino acid alanine, CH3CH(NH2)CO2H.
CuO has the distorted PtS structure. Describe the arrangement of the copper and oxygen atoms
At 25 C, the standard hydrogen electrode (SHE) has a half-cell potential that is defined to be 0.00 volts. If the pH is increased at this electrode (keeping everything else the same), at what pH will the half-cell potential be equal to -0.337 volt..
from the IR, 1H NMR spectrum and uv values decide what functional groups are present in the compound and deduce any other structural information you can, such as existance of conjugation in the carbonyl compound.
Consider the reaction Cu2S + O2 → 2Cu + SO2. If 55.0 grams of Cu2S is heated in excess O2, what is the mass of Cu that can be produced?
An aquifer has a hydraulic gradient of 0.00086, a hydraulic conductivity of 200m*day^-1 and a porosity of 0.23. A chemical with a retardation factor of 2.3 contaminates the aquifer. What is the linear velocity of the contaminant
An alkene forms 2,2-dimethylbutane while catalytically reduced and 1,2-dichloro-3,3-dimethylbutane when treated with Cl2. Depict the structural formula of the alkene.
Calculate the amount of energy in the form of heat that is produced when a volume of 2.73 L of SO2(g) is converted to 2.73 L of SO3(g) according to this process at a constant pressure and temperature of 1.00 atm and 25.0 °C. Assume ideal gas behav..
Explain why you are sometimes unable to make a direct comparison of maximum deviation with the imprecision of the measurements
In the extracton mixture of naphthalene, benzoic acid, ethyl p-aminobenzoate: what form is the organic base and organic acid after extracted into aqueous phase
Suppose you have two joined metals (Gold and Copper(II)) immersed in 1 M HCl acid, based on the reactants present write possible half cell (anode/cathode) and full cell reaction(s).
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