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Problem
Peyton's and Ryan's swimming pool is turning green. They will fix the chlorine generator again, but they need to add shock to clear up the algae in the pool. Commercially available shocks are typically powders containing calcium hypochlorite. The hypochlorite ion forms the active hypochlorous acid when the product is added to water. Household bleach contains sodium hypochlorite, which Peyton and Ryan think should serve the same purpose. Will one gallon of bleach from the dollar store be as effective at generating hypochlorous acid as a one pound bag of pool shock?
A particular compound has a heat of vaporization of 28600 J/mol. At 281 K it has a vapor pressure of 121 mmHg. What is its vapor pressure at 306 K
Explain the order of elution you would observe while performing gas chromatography during an elimination/dehydration process on 2-butanol. What property of the product molecules seems to be the most important in determining the relative retention ..
The pH of a solution of a weak acid is found to be 4.625. If 10.000 mL of this solution is titrated with 7.3990 mL of 0.012500 M NaoH, what is the Ka of this acid
Calculate the quantity of heat energy in kilocalories evolved when 75 g of liquid water forms ice at 0 0C. (heat of solidification = 80 cal/g).
if the partial pressure of NO is decreasing at a rate of 56 torr/min what is the rate of change of the total pressure of the vessel?
In general, oxides of elements further to the left on the periodic table are basic, moving toward acidic on the right. For nonmetallic oxides, when the oxidation number of the element other than oxygen is high, the oxide tends to be acidic. When t..
The value of delta H for 2CO(g) + O2 (g) = 2CO2(g) is -482 kJ. Calculate the heat released to the surroundings when 38.5 g of O2 (g) reacts with excess CO
A 10.0 L balloon contains helium gas at a pressure of 655 mmHg. What is the new pressure of a helium gas at 1500 mL, if there is no change in temperature
Draw the Lewis structure, and identify the hybridization of the central atom in each of the following molecules and ions. The central atom has been bolded and underlined in the formulas given. (a) XeF4
a which primary alcohol of molecular formula c5h12o cannot be prepared from an alkene? why?b write equations describing
Nitric acid is a strong acid, but nitrous acid is a weak acid. Why? A. there are more electronegative oxygen atoms bonded to the N atom
what is the ph at the equivalence point when when 25.0 ml of 0.189moll hn3aq is titrated with 0.123 moll naohaq?assume
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