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An artist's statue has a surface area of 15 ft2. The artist plans to apply a gold plate coating to the statue and wants the coating to be 25 µm thick. How many grams of gold will be required for the
Explain how to sketch a boiling point-composition figure for mixtures of toluene and water. With water mole percent of 20.2% as well as toluene mole percent 79.8% also a boiling point of 85* C.
The water level in a graduated cylinder initially at 210 mL rises to 277 mL after a piece of lead is submerged. What is the mass in grams of the lead?
How come the reaction of terminal alkynes and alkenes with KMNO4 would yield a carboxylic acid and carbon dioxide. Why woulndn't the reaction yield a carboxylic acid and formic acid
In a manometer, attached to a sample of gas the difference in the height of the mercury levels is 30 mm. The barometric pressure is 749.0 mm Hg. Explain what is the pressure of the gas sample in Pascal's
Calculate how many degrees of un-saturation the compound with the molecular formula C9H7O3N2S Cl4Br contains.
The solubility product constant (Ksp) for the dissolution of CdC2O4 as represented by the chemical equation is 1.5 x 10-8.
Determine the order of the reaction and write a narrative of your approach to determine its order. What is the rate constant for the reaction?
One mole of CO29(g) is mixed with one mole of H2 (g) and passed over a catalyst for the following reaction: CO(g)+2H2(g)=CH3OH(g) At 500 K and a total pressure of 100 bar, 0.40 mol of CH3OH is gounf at equilibrium. What are the values of Kp and Kc?
Write the chemical reaction equations for each of the trials. If you do not observe a reaction, just write "No Visible Reaction". Equations for 8 bottles Cu(NO3)2 + HCl -->
In the extracton mixture of naphthalene, benzoic acid, ethyl p-aminobenzoate: what form is the organic base and organic acid after extracted into aqueous phase
A volume of 95.0ml of h2o is initially at room temperature 22.0 C. A chilled steel rod at 2.00 *C.is placed in the water. If the final temperature of the system is 21.2 *C. what is the mass of the steel bar?
Explain a compound decomposes by a first-order reaction. Explain the concentration of compound decreases from 0.1006M to 0.0810 M in 5.2min. Explain what fraction of the compound remains after 7.0 min
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