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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
Firefly luciferase is the enzyme that allows fireflies to illuminate their abdomens. Because this light generation is an ATP-requiring reaction, firefly luciferase can be used to test for the presence of ATP.
some people said that the precipitate disappeared and the solution went back to a bright orange/yellow clear colour, what is the chemical equation that describes both these reactions,
When will the solutions be available for the book Chemistry- an atoms-focused approach by Gilbert, Kirss, and Foster. The ISBN # is 978-0-393-91234-0?
How many milliliter of .120 M NaOH are required to titrate 50.0 mL of .0998 M hypochlorous acid to the equivalence point. The ka of hypochlorous acid is 3.0*10^-8.
dry-cleaning solvent molecular weight 146.99 gmol that contains c h and cl is suspected to be a cancer-causing agent.
How many grams of magnesium metal must be burned to release 500 kcal of heat according to the following reaction: 2 Mg (s) + O2 (g) ® 2 MgO (s) DH° = - 288 kcal
1. what is the formula of a compound if a sample of the compoundcontains 0.537 mol x 0.358 mol y and 0.895 mol z?2.
A total of 2.00 moles of a compound is allowed to react in a foam coffee cup that contains 127g of water. The reaction caused the temperature of the water to rise from 21.0 to 24.7 celcius .
calculate the equilibrium constant for this reaction at 25 C Part II at what temperature is this reaction spontaneous. Br2(I) Br2(g) delta H = 31.0 Kj/mol' delta s = 93.0 J/K.mol
A solution contains 35 g of NaCl per 100.0 g of water at 25 degrees Celsius. Is the solution saturated, unsaturated, or supersaturated
How many grams of amonnia are needed to react with 50.0 grams of potassium tetrachloroplatinate then calculate how many grams of cisplatin are formed from 50.0gm of potassium tetrachloroplatinate, if percent yield for the reaction is 75%.
What is its energy in joules? Enter your answer in the form 1.02E12 for 1.02 x 1012 with three significant figures
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