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After 61.0min, 19.0% of a compound has decomposed. Explain what is the half-life of this reaction assuming first-order kinetics?
What wavelength of light would you report in units of nm, if the light had a wavelength of 7.60 x 10-10 m?
If a student added twofold of acetone the acetone will react with itself and the product would be isolated as diacetone alcohol or mesityl oxide. Write a complete reaction to support your result.
The problem: CaCO3 can be roasted to produce CaO and CO2. This reaction is carried out in a flash connected to an open-end mercury manometer when the atmospheric pressure is 754 torr.
Explain how many grams of sodium hydroxide are required to prepare a 300ml solution of sodium hydroxide (NaOH) solution having a concentration of about 0.1 mol * L-1 in a 1000ml beaker
Write a balanced chemical equation, including physical state symbols, for the combustion of gaseous methan into gaseous
A qunatity of .300 grams of copper was deposited from a CuSO4 solution by passing a current of 3.00 Amperes through a solutiong for 304 seconds. Using this information calculate the value of the faraday constant.
light travels extremely rapidly c 3.00times108 . suppose you had to travel 29 miles to work every day. if you traveled
Explain why is it necessary to determine the temperature during the determination of the density of the sodium chloride solutions. Which factor, mass or volume utilized in calculating the density would be affected by temperature. Explain.
Find out whether each of the following events increases photo transduction or does not increase photo transduction either by not initiating a signal or by terminating the signal. The abbreviation cGMP is utilized for guanosine 3\5\-cyclic monophos..
Luminol is a reagent used to detect blood at crime scenes. A technician prepares a stock solution by adding 6.0 g of luminol (molar mass=177 g/mol) to 50.0 mL of H2O.
Explain what is the molar concentration of Na+ ions in a 0.04 M solution of the subsequent sodium salts in water
A 53.6 gram sample of an unknown substance contains 11.5 grams of carbon. What is the percent by mass of carbon in the compound?
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