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A chemical reaction was run in 232.0 mL of H2O. During the reaction, the temperature of the H2O changes from 23.6 oC to 57.6 oC. How much heat (in kJ) did the chemical reaction produce? For H2O, Cp= 4.184 J/(g · oC). Assume the mass of the solution is 232.0 g. Enter your answer as a positive decimal number.
one hundred grams of water is saturated with NH4CLat 50 degrees C. According to table G, if the temperature is lowered to 10 degrees , what is the total amount of NH4CL that will precipitate?
A sample of an ideal gas has a volume of 2.20 L at 288 K and 1.10 atm. Compute the pressure when the volume is 1.79 L as well as the temperature is 301 K.
the solvent travel only half way up the chromatographic paper in the spot testing chromatogram.predict the effect of this procedural change on the solution of the cation in the standard mixture
a 0.650 g steel sample containing mn was dissolved in acid anddiluted to 250 ml. a 50 ml aliquot was treated with kio4
Write a balanced thermochemical equation for the standard formation of CH3OH
Chloroform flows through a 1.68 inch inside-diameter pipe at the rate of 4.00 gallons per minute. What is the average velocity of chloroform in the pipe?
Important information about Chair Conformation, Circle the least stable conformation as well.
Suppose a sample of helium gas has a volume of 4.54L at 230.3K and 1.644 atm. Explain how many helium molecules does it contain
Explain what is a quantum number? The number of sublevels within each energy level. That is for energy level n=1, there is only 1 sublevel, but for n=4, there are 4 sublevel. Explain how are sublevels indicated
Given that Iron(III) oxide or ferric oxide (molar mass = 159.7 g/mol) reacts with Carbon monoxide (molar mass = 28.0 g/mol).
A gaseous mixture containing 0.220 mol fraction of carbon tetrachloride (CCl4) and 0.780 mol fraction of dry air is initially at 75.0°C and 1117 mmHg
dissolved in water in a calorimeter that has a total heat capacity of 2.294 kJ·K-1, the temperature decreases by 0.470 K. Calculate the molar heat of solution of KCN.
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