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What information is gained from the UV-VIS data?
a. Compound does not contain a conjugated system.
b. Compound does contain a conjugated system.
c. No information is gained from the UV-VIS data.
d. Need more information.
what is the solubility of O2 at an elevation of 12,000 ft where the atmospheric pressure is 0.657 atm? Assume the temperature is 25°C, and that the mole fraction of O2 in air is 0.209 at both 12,000 ft and at sea level.
The balences in the lab can weigh a maximum of 220.000 g at once. if a beaker has a mass of 86.4329 g, what is the maximum volum of water
Give the symbol of the element in the fifth period of the periodic table with five valence electrons, Give the symbol of the element in the fourth period of the periodic table with four 4p electrons
Determine the value of Kc for the following reaction if the equilibrium concentrations are as follows: [N2]eq = 3.6 M, [O2]eq = 4.1 M, [N2O]eq = 3.3 × 10-18 M.
If 85.0 of fluorine-18 is shipped at 8:00 a.m., how many milligrams of the radioisotope are still active if the sample arrives at the radiology laboratory at 1:30 p.m. ?
A flexible container initially holds 2.0 moles of an ideal gas at 293K and 1.0 atm. The container is compressed isothermally
A sample of saturated magnesia is found to have [OH1-] = 3.22 x 10-4M. What is the pOH of the solution. Is magnesia acidic (A), basic (B), or neutral (N)
How many mL of a 0.10 m solution of NaOH are needed to completely react with 120 mL of a 0.15 m solution of H2CO3.
Give the balanced equation for the reaction- exothermic formation of 1 mol of sodium chloride from its elements
If a breakdown of the thermal insulation around the turbine allows a heat loss of 60 kJ per kg of stream, and the exiting steam is at 150oC and 0.3 MPa, what will be the power developed by the turbine if the inlet steam conditions and flow rate ar..
Using the equation pKa= -log Ka, calculate the Ka from the pH value and the starting acetic acid concentration. Calculate the Ka of acetic acid.
If you have 340.0 mL of water at 25.00 °C and add 120.0 mL of water at 95.00 °C, what is the final temperature of the mixture. Use 1.00 g/mL as the density of water.
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