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In a hurry to complete the experiment, Joseph failed to calibrate the spectrophotometer. As a result, all absorbance values for the standard solutions that are measured as well as recorded are too high. Will the equilibrium concentration for FeNCS2+ be too high, too low, or unaffected? Define. Will the equilibrium concentration of Fe3+ be too high, too low, or unaffected? Explain. Will the compute equilibrium be at constants being too high, too low or unaffected? Explain.
Calculate the value of the equilibrium constant for the overall solution process for the sparingly soluble salt in the presence of ammonia.
a 42 gram block of an unknown metal at 86.0oc was dropped into an insulated flask containing approximately 50.0 grams
Beryllium(II) forms a complex with acetylacetone (166.2g/mol). Calculate the ?molar absorptivity of the complex, given that a 1.34-ppm solution has a transmittance of 55.7% when measured in a 1.00-cm cell at 295 nm, the wavelength of maximum absor..
Provide the value of Eh for the following reactions at standard temperature as well as pressure and say whether the reaction will go to the left or to the right. Confirm you say whether Eh is positive or negative.
a nugget of pure gold of 4.90 grams absorbed heat of 270 joules. determine the final temperature of the au if the
A chemical reaction releases 58,500 J of heat into 150 g of water. Assuming no heat is lost to the surroundings
At equilibrium 4.51e-02 mol of H2 is found in the reaction mixture. Calculate the equilibrium pressures of all gases in the reaction vessel and the value of KP for the reaction. Pick the correct statement from the multiple choices. Use the value R..
What wavelength of radiation will be emitted when an electron in a hydrogen atom jumps from the n=5 to the n = 1 principal energy level. Name the region of the electromagnetic spectrum corresponding to this wavelength
A solution made by dissolving 1.20 g of the unknown compound in 25.0 g of benzene had a freezing point of 4.7 degrees Celsius
When 24 copper pennies are submerged in water, the pennies displace 8.26 cm3 of water. If the combined mass of the pennies is 73.86 g, what is the density of copper?
Determine the limiting reagent. (b) after the reaction has gone to completion, calculate the concentration of all species in the reaction
If the observed specific rotation of the mixture is -50.0°, what is the specific rotation of the pure R isomer?
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