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A 74.8 g sample of copper at 143.2°C is added to an insulated vessel containing 165 mL of glycerol, C3H8O3 (l) (d = 1.26 g/mL), at 24.8°C. The final temperature is 31.1°C. The specific heat of copper is 0.385 J g-1°C-1. What is the heat capacity of glycerol in J mol-1C-1
A 47 kg sample of water absorbs 388 kj of heat. If the water was initially at 27.6 Celcius, what is its final temperature?
list all degenerated orbitals (with quantam number n, l, and m) of hydrogen atoms under principle quantum number 4.
What volume of water vapor is created by the complete combustion of 38.7 liters of methane gas?
Why is it particularly important to wash the cupric hydroxide intermediate in the synthesis of cupric acetate (verdigris)? Be specific about what is being removed and why it matters.
Draw the missing intermediate and add curved arrows for the production of phenylethyne by the double dehydrohalogenation
CaCN2 + 3 H2O → CaCO3 + 2 NH3 . How much NH3 is produced if 187 g of CaCO3 are produced?
How much ice (in grams) would have to melt to lower the temperature of 352 mL of water from 26 C to 4C? (Assume the density of water is 1.0 g/ml.)
Why do you suppose that the dehydration of cyclohexanol to cyclohexene has been the tradiotional experiment to illustrate the acid-catalyzed dehydration of an alcohol to an alkene?
the air temperature is 38C in which speed of sound is 336m/s. The zero of the meter scale coincides with the top end of resonance column tube.when the first resonance occurs,reading of water level is?
Ascorbic acid, HC6H7O3, also known as vitamin C, is a weak acid. It is an essential vitamin and an antioxidant. A solution of ascorbic acid is prepared by dissolving 2.00 grams in enough water to make 100.0 mL of solution
What is the product of toluene+ conj base of alcohol? ( a ring with a O- ) also, where does equilibrium lies?
Solid lead (I) sulfide reacts with aqueous hydrochloric acid to form solid lead (II) chloride and dihydrogen sulfide gas.
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