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Transmittance, T, is defined as the intensity of light transmitted through a sample divided by the intensity of light incident on the sample. The absorbance, A, is defined as
what are the names of M and MS? (Type your answer using the format iron(II) sulfide for FeS.)
The temperature increased by 10.08 oC. Use these data, plus the information given below for CO2 and H2O, to estimate the standard enthalpy of formation, of H, at 25 oC for this compound of H values at 25 oC for CO2(g) and H2O(l) are 394 kJ mol 1 a..
25.0 mL of a calcium chloride solution is added to an excess of aqueous silver nitrate. The resulting precipitate has a mass of 1.25 grams. If the percent yield of this reaction is known to be 85%, calculate the concentration in molarity of the or..
The hottest temperature yet recorded in Phoenix AZ was 122 dgrees F what is the temperaturein degrees C and K
Use condensed structures to illustrate the 3 possible charged species and the one neurtral species that can exist in aqueous environments for the polar acidic acid of your choice. Indicate which conditions are present in each of the four drawings.
Calculate the pH of a solution prepared by mixing 20mL of .20M NH3 with 40mL of .10M HNO3 (Kb for NH3= 1.8 x 10^-5)
Which of the following properties indicates the presence of strong intermolecular forces in a liquid
Draw Line structures of each compound a.Benzyl alcohol, benzaldehyde, benzyl acetate b.Aniline,N,N-dimethylaniline, naphthalene c.Benzophenone, Biphenyl, Benzoic acid.
A concentration cell contains electrodes made of the same metal and solutions containing the same ions but a different concentrations. Consider Zn electrode in 0.1 M ZnSO4 solution in one compartment and Zn electrode in 1.0 M ZnSO4 for another com..
A pure silver ring contains 2.80 x 10^22 silver atoms. How many silver atoms does it contain. Please show your steps and solutions.
A solution of Na3AsO4 is added dropwise to a solution that is 0.0643 M in Bi3+ and 0.000180 M in Cd2+. What concentration of AsO43- is necessary to begin precipitation
What mass of glucose (180.0 g/m) must be added to 0.50 kg of water to increase the boiling point of the solution by 2.0 degrees C?
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