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Explain the following statements in terms of the laws of thermodynamics.
(a) Energy can be neither created nor destroyed.
(b) Entropy can be created but not destroyed.
Calculate the volume of oxygen gas at stp produced when 3.57 grams of h2O2 decomposes to produce water and oxygen
Identify the factors that affect toxicity in a population. Pick three of the factors and provide a brief discussion on how that factor can affect the health of a population.
A 23.0 ft tall cylindrical tank, which is closed at the top and bottom. The top of the tank is filled at a gauge pressure of 30.0 psig. The tank contains a crude oil with SG = 0.820 to a depth of 19.0 ft. If the atmospheric pressure is 1.02 atm, c..
As the sample descended, the water pressure compressed the balloon and reduced its volume. When the pressure had increased to 35.0 atat was the volume of the sample. Assume that the temperature was held constant.
use the measure "mass of 10.00mL" which is 10.574g, to calculate the density of mass NaCl which is 5.923g
How would you adjust the volume of a container in order to maximize the product yield in the following reaction
A patient weighs 146 pounds and is to receive a drug at a dosage of 45.0 mg per kg of body weight. The drug is supplied as a solution that contains 25.0 mg of drug per mL of solution.
You determine the mass of a clean dry beaker and found that it was 58.1884 g. You filled water up to the mark and transferred this to the beaker and found that the new mass was 82.9658 g. What is the actual volume of the pipet?
Will a precipitate of Mg(OH)2 form when 25 mL of 0.010 M NaOH is combined with 75 mL of a 0.10M Solution of magnesium chloride
Problem- Part 1) If you carry out the reaction between table salt (NaCl) and lead(II) iodide (PbI2) in 100.0mL of water, the salt lead(II) iodide will behave similarly to the salts given in the tab named Slightly Soluble Salts.
A sample of N2O3 (g) has a pressure of 0.017 atm. The temperature of (in K) is then doubled and the N2O3 undergoes complete
A 100 L reaction container is charged with 0.704 mol of NOBr, which crumble at a certain temperature say between 100 and150 ºC according to the subsequent reaction
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