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A sample of CaCO3 with a mass of 4.74 g is placed in 500.0 mL of 0.63M HCl, forming CaCl2, H2O, and CO2. What mass in grams of CO2 is produced
If the mass of water surrounding the calorimeter was exactly 1000 g and the heat capacity of the bomb calorimeter was 1.75 kJ/°C, calculate the molar heat of combustion of liquid methanol .
How many grams of steam at 105 degree celcius must be mixed with 25g of ice at -15 degree celcius in an adiabatic calorimeter with a heat capacity of zero in order to produce a final mixture
When 4.70 g of a nonelectrolyte solute is dissolved in 915 mL of water at 21 degrees C, resulting solution exerts an osmotic pressure of 839 torr.
The Haber process is very important for agriculture because it converts N2 (g) from the atmosphere into bound nitrogen which can be taken up and used by plants. The reaction is N2 + H2->NH3
The molecular mass found by mass spectrometry is 210.06 amu. What is the molecular formula of the compound?
Draw the abbreviated structural formula of the products of the complete hydrolysis of lidocain.
Calculate the inital pH of buffers A, B, & C using the Henderson-Hasselbach equation.
Determine the rate of heat transfer to the heat engine if both devices are reversible and all of the power output from the heat engine is used to supply the refrigerator
The rate law for the reaction, 2NO(g) + O2(g) 2NO2(g), is found to be: rate of reaction = k [?NO]2?[O2?]2. The first, fast step is 2NO(g) N2O2 (g)
gas has a volume of 0.40 L and a pressure of 6.0 atm, what is its kelvin temperature?
How many grams of naphthalene (C10H8) must be added to 25.00 g of CCl4 so that the vapor pressure of CCl4 over the solution is 483 mm Hg?
Draw a diagram of a molecule of H2O ( Water), showing the outer layers and how the individual electrons are shared. 3. Why does each atom feel more stable?
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