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What is the energy in joules of a mole of photons associated with visible light of wavelength 486 nm? A. 6.46 x 10-16J B. 6.46 x 10-25J C. 2.46 x 10-4J D. 12.4 kJ E. 246 kJ
all chemical used in this test are binary compounds. what portion of the periodic table is responsible for the color
if 25.0 mL of 0.125 M HCl is neutralized by exactly 14.8 mL of NaOH, what is the concentration of the base?
Thirteen grams of titanium react with 60.0 g of bromine. How many grams of titanium(IV) bromide are produced, assuming 100% yield.
Draw all of the resonance forms of 4-nitrobenzaldehyde which contribute to the enhanced electrophilicity of the aldehyde carbon relative to benzaldehyde
propanol (p*1 = 20.9 torr at 25 °C) and 2-propanol (p*2 = 45.2 torr at 25 °C) form ideal solutions in all proportions. Let x1 and x2 represent the mole fractions of 1-propanol and 2-propanol, respectively
Two compounds of nitrogen tetroxide(N2O4) and hydrazine(N2H4) are used as rocket fuels.When the two are mixed,they ignite and produce nitrogen gas and water.
Which law states that when equilibrium is disturbed, the reaction will change to counteract the disturbance
A tightly sealed 5.0 L flask contains argon at 85.2 deg. C and 781 mm Hg. The flask is heated until the pressure is doubled. What it the temperature of the gas
Lewis Structure and state which of the given compounds are isomers - There are three compounds are given as I. pentane , II. 2-methylbutane , III. 2,3-dimethylbutane , IV. 2,2-dimethylpropane V.
the following changes in a DNA molecule may have no effect on the protein for which the DNA codes
How many grams of sucralose would you need for a solution that has the same sweetness as one made with 2.00g of sugar? Please show how to solve problem
Calculate the cell potential E for a silver-silver chlroide lectrode immersed in 0.800 M KCl at 25 C.
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