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Why can you use calcium chloride to reduce the moisture in a humid basement area?
Calculate the mass (in mg) of KCN needed to make 500. mL of aqueous KCN solution with a pH of 10.00.
a solution of ethanol c2h5oh in water is prepared by dissolving 62.0 ml of ethanol density 0.79 gcm3 in enough water
Calculate the millimoles of sodium hypochlorite used in the reaction: 2.3mL of a 5.25% solution (Clorox). Compare this value with the quantity of cyclohexanol to be used in the reaction. Would you describe the oxidant as being present in slight ex..
The solubility of O2 (g), in water at 25°C is 3.16 mL/100 g H2O when the gas pressure is maintained at 1 atm. What pressure of O2 (g) would be required to produce a saturated solution containing 10.9 mL/100 g H2O?
Calculate the pH of a solution that contains 0.050 M formic acid and 0.10 M sodium formate.
Provide a molecular-level explanation for why the absorbance of light increases as the concentration of dissolved food dye in a solution increases.
The equilibrium constant expression for the reaction 2BrF5(g) Br2(g) + 5F2(g) is A) Kc = [Br2] [F2] / [BrF5] D) Kc = [BrF5]2 / [Br2][F2]5 B) Kc = [Br2] [F2]5 / [BrF5]2 E) Kc = 2[BrF5]2 / ([Br2] × 5[F2]5) C) Kc = [Br2] [F2]2 / [BrF5]5
Conjugated diene addition reaction, a) When HCl is added to 1,3-butadiene either 3-chloro-1-butene or 1-chloro-2-butene forms. Which product is more stable? Explain.
What mass of NaN3(s) must be reacted in order to inflate an air bag to 74.6 L at STP?
find the ph solution amp hydronium ion concentration.1. what is the ph of a solution of 0.17 m acid and 0.81 m of its
Using paper chromatography, a student separated a dye spot into three components, A, B, and C. The components traveled 4.2 cm, 5.7 cm, and 8.0 cm,. respectively from their initial position on the strip
Carbon sequestration technologies are being actively explored by researchers as methods to remove CO2 from the atmosphere, thereby diminishing the greenhouse effect.
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