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How is "soap" chemically differnt from "detergents"? What chemical features and properties of detergents make them better than soap for hard water application?
when zinc metal is placed into a copper (II) nitrate solution, a single-displacement reaction occurs. Write a balanced equation to describe this reaction.
Calculate the pH for the following case in the titration of 50.0 mL of 0.140 M HClO(aq) with 0.140 M KOH(aq).HClO is a weak acid with a Ka
Organic chemists rely heavily on the spectroscopic methods of IR and NMR. Explain in great detail why the two methods have to be used in tandem to
To obtain the same antifreeze protection requires 76g of propylene glycol to replace each 62g of ethylene glycol. Calculate the mass of propylene glycol required to replace 7.00gal of ethylene glycol. The density of ethylene glycol is 1.12 .
3H2+N2=How many grams of NH3 can be produced from 3.91g of N2?
Fluoride, in the form of sodium silicofluoride (Na2SiF6), is commonly added to municipal drinking water to prevent tooth decay. It is generally added at a level of 1.0 mg/L,
A solution containing 80 g of KCl in 200 g of water at 50 0 C is cooled to 20 0C, a) How many grams of KCl remained in solution at 20 0C and b) How many grams of KCl crystallized out
Calculate the concentrations of ALL species in a 0.740 M Na2SO3 solution. The ionization constants for sulfurous acid are Ka1
Aluminum has a specific heat of 0.900 J/g·°C. How much energy is required to raise the temperature of 160. g of aluminum from 20.0°C to 183.0°C?
How many moles of BCl3 are needed to produce 25.0 g of HCl(aq) in the following reaction?
Using the formula W = mg, how many milliliters of water with a density of 1g/mL are required to weigh 0.75 newtons and g = 9.81 m/s2?
What is the pressure in a 10.0 L cylinder filled with 0.470 mol of nitrogen gas at a temperature of 329 K ?
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