Preparing solution of nh4clo4 beginning with water
If you prepare a 1.00 m solution of NH4ClO4 beginning with water at 22.5 C, what is the final temperature of the solution in C? Assume that the specific heats of both pure H2O and the solution are the same, 4.18J/K.
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What is the theoretical amount of water (MW 18.02 g/mol), in grams, that could form when 26.67 grams of aluminum oxide (MW 101.96 g/mol) reacts with excess hydrogen gas (MW 2.02 g/mol) to produce water and aluminum metal (MW 26.98 g/mol) (meaning
It says that isothiocyanate(CH3NCS)'s carbon atom actively responses to material that has nonbonding electron(such as OH-). Then, what are proper the resonance structures for CH3NCS?
When o.514 g of biphenyl (C12H10) undergoes combustion in a bomb calorimeter, the temperature rises from 25.8 to 29.4 degree Celcius. Find delta energy reaction for the combustion of biphenyl in KJ/mol biphenyl. The heat capacity of the bomb calor
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A gas occupies a volume of 458 mL at a pressure of 1.01kPa abd temperature of 295 K. When the pressure is changed, the colume becomes 477 mL.
Find the gram formula mass of each compound.
How many grams of NO(g) can be formed from 5.0 moles of NH3(g) if there is sufficient O2(g) to use all of the ammonia?
Ethanol (C2H5OH) melts at -114°C. The enthalpy of fusion is 5.02 kJ/mol. The specific heats of solid and liquid ethanol are 0.97 J/g·K and 2.3 J/g·K, respectively. How much heat (kJ) is needed to convert 25.0 g of solid ethanol at -135°C t
25.0 mL of a calcium chloride solution is added to an excess of aqueous silver nitrate. The resulting precipitate has a mass of 1.25 grams. If the percent yield of this reaction is known to be 85%, calculate the concentration in molarity of the origi
When the mixture has come to equilibrium, the concentration of iodine monobromide is 1.190 M. What is the equilibrium constant for this reaction at 350°C?
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