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at 1 atm, how much energy is required to heat 55.0 grams of water at -24.0 degrees Celsius to water at 157.0 degrees Celsius
Explain how these products are produced by showing the mecahnism involved. (draw).
Calculate the equilibrium concentration of Cl2O(g) if 1.0 g of H2O(g) and 2.0 g of Cl2O(g) are mixed in a 1.0-liter flask.
The pH in the stomach of a certain animal is 3.8. This means that the hydrogen ion concentration in the stomach
In Europe, gasoline efficiency is measured in km/L . If your car's gas mileage is 30.0 miles/gal, how many liters of gasoline would you need to buy to complete a 284- km trip in Europe?
A hiker caught in a thunderstorm loses heat when her clothing becomes wet. She is packing emergency rations that, if completely metabolized, will release 30 kJ of heat per gram of rations consumed.
Working with ideal gas law, The pressure of a sample of gas at a constant temperature of 25 degrees C is increased from 1.0atm to 1.3atm
centered orthorhombic has two lattice positions one on the rectangular top and bottom face
If the molar enthalpy of water is 6.009 kJ/mol, how much energy is needed for 4.5 moles of ice to melt at STP?
what is the molecular formula and empirical formula of NH2Cl, molar mass = 51.5 g/mol
35.5 grams of an unknown substance is heated to 103.0 degrees Celsius and then placed into a calorimeter containing 100.0 grams of water at 24.0 degrees Celsius.
39 grams of C6H6 are mixed with 136.6 grams of O2 and allowed to react. How much CO2 could be produced by this reaction?
What is the mol fraction Na2SO4 in a solution which is 11.5% by weight Na2SO4 (molar mass Na2SO4 = 142.06 g/mol and H2O = 18.016 g/mol)?
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