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If you had a dye with a molecular weight of 574.76 amu which had a molar absorptivity of 82,000 at 550 nm, what would be the expected value of absorbance at that wavelength if the dye was present at a concentration of 1.0 mg/L? What color would you expect for this dye?
The temperature of a sample of water increases by 6.5 degrees Celsius when 8.5 kilo Joules are applied. The specific heat of liquid water is 4.18 Joules per gram x degrees Celcius. What is the mass of the sample of water?
A 46.2mg sample of phosphorus reacts with selenium to form 135mg of the compound. What is the empirical formula of the phosphorus selenide
Automobile air bags inflate during a crash or a sudden stop by the rapid generation of nitrogen gas from sodium azide, according to the reaction
how many liters of gasoline would you need to buy to complete a 142- trip in Europe? Use the following conversions
Suppose that market demand for golf balls is described by Q = 90 - 3P, where Q is measured in kilos of balls. There are two firms that supply the market.
A. Compare the results of question "C" with the experimental results of the reaction:
Question- A FCC structure with an atomic radius of 2.45 A and the weight is equal to 12.6453 grams figure out the volume by the displacement method after submerging the sample in water we found that the metal displaced 7.23 mL of water.
in photosynthesis, plants use energy from the sun in combination with carbon dioxide and water to form glucose (C6H12O6) and oxygen. If 4.50 moles of water react with carbon dioxide, what mass of glucose is produced?
a solution is made by dissolving 15.5 grams of glucose c6h12o6 in 245 grams of water. what is the freezing-point
Give the formula of the conjugate base of each of the following. (Type your answer using the format CO2 for CO2, (NH4)2CO3 for (NH4)2CO3, [NH4]+ for NH4+, and [Ni(CN)4]2- for Ni(CN)42-.)
calculate the ground state energy, the radius of the first Bohr orbit, and the energy and frequency associated with the n=1 to n=2 transition in a mesonic atom.
Question- From its electronic configuration, predict which of the first 10 elements would be most similar in chemical behavior to the as yet undiscovered element 165.
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