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Explain (using chemical equations) why NaOCl (bleach) is not terribly effective at killing bacteria in pools or tubs where the water has become acidic over time. What might you do to increase the effectiveness of your disinfection procedure?
Using the average initial pH of your acetic acid solutions, and the average molarity of those solutions, calculate a value of Ka for acetic acid. when initial pH is 2.63 and average molarity is 0.06475.
calculate w and ?U when 1 mole of xenon gas assumed ideal under goes adiabatic expansion from 27?c to 127? assuming(heat capacity of constant volmue=12.5)
Solid silicon and solid magnesium chloride forms when silison tetrachloride gas reacts with magnesium metal.
A chemist burns 160g of aluminum oxygen to produce aluminum oxide. She produces 260g of aluminum oxide. Write a balanced equation and calculate the theoretical and percent yield
A solution contains 3.60 mol of water and 1.50 mol of nonvolatile glucose (C6H12O6). What is the mole fraction of water in this solution?
Describe an electrochemical cell that would have the following net equation, by answering the following questions. Fe(s)+Ni^2(aq)-->Ni(s)+Fe^2+(aq)
What mass of carbon reacts completely with 17.8 grams of SiO2 according to the following equation? SiO2 (s) + 2C (s) → SiC (s) + 2CO (g)
Solid ammonium nitrate (NH4NO3) and solid calcium chloride were placed in water and the mixture was stirred. What is the precipitate?
How many grams of sodium phosphate will be needed to produce 500ml of a solution that has a concentration of Na+ ions of 1.10M ?
Include activity coefficients in your solubility-product expression. The Ksp of AgI is 8.3 x1017.
The rate law for a hypothetical reaction is rate=k[A]2 When the concentration is 0.10 moles/liter, the rate is 2.7 * 10-5 moles/liter second. What is the value of k?
The crystalline form of rhodium (Rh) is composed of face-centered cubic unit cells. If the density of rhodium is 12.42 g/cm3 at room temperature
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