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How many grams of boric acid, B(OH)3 (FM 61.83), should be used to make 2.00 L of 0.0500 M solution? What kind of flask is used to prepare this solution?
A 2kg sample of lead is heated from a temperature of 30 degrees celsius to a temperature of 60 degrees celcius. The specific heat of lead is 128 J/kg degrees celsius. How much heat energy di this sample absorb?
A solution of water (Kf = 1.86 degrees C/m) and glucose freezes at -2.55 degrees C. What is the molal concentration of glucose in this solution? Assume that the freezing point of pure water is 0.00 degrees C. Express the molal concentration numeri..
Phenol and straight chain alcohol, The compound C6H5OH is a phelol, and C6H13OH is a straight chain alcohol.
How much energy is released during the complete combustion of 372 grams of cyclohexane ?
Calculate the mass of silver chloride in grams required to make 5.6 grams of silver plating?
Calculate the number of moles of H+ and OH- initially present the number of moles of h2O produced in the response regulation reaction.
a retro calculation of the amount of Ni(Nh3)6Cl2 that is needed if 20mL of 0.10M HCl are used to neutralize ammonia. The number I got was 0.07727 g.
A solution of ethanol (C2H5OH) in water is prepared by dissolving 56.0 mL of ethanol (density = 0.79 g/cm3) in enough water to make 255.0 mL of solution. What is the molarity of the ethanol in this solution?
How many grams of ice at 0 degrees Celsius and 101.3 kpa can be melted with the addition of 0.400 kJ of heat.
When 5.19g of NaCl is dissolved in 85.0 mL of water at 22.2 degrees Celsius, the temperature of water drops by 6.6 degrees Celsius. Calculate the heat of solution of NaCl.
The solution's boiling temperature is 103.25 degrees celsius. What is the molar mass of this molecular compound?
Rank the following compounds in order of reactivity toward nitration with HNO3
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