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Methanol (CH3OH)is used as fuel in race cars. (a) write a balanced equation for the combustion of liquid methanol in air. (b) calculate the standard enthalpy change for the reaction, assuming H2O(g) as a product. (c) calculate the heat produced by combustion per liter of methanol. Methanol has a density of 0.791g/ml. (d) calculate the mass of CO2 produced per kJ of heat emitted.
What is the anode reaction during electrolysis of neutral aqueous copper(II) sulfate using inert electrodes
how do you predict the charge on an ion most likely to form from any main group
Standards added to tap water contained 0.160 ng/mL (ppb) of Eu(III), but those added to pond water were 100 times more concentrated. (a) From the x intercepts in the graph, calculate the concentration of Eu(III) (ng/mL) in tap water.
a critical reaction in the production of energy to do work or drive chemical in biological systems is the hydrolysis of adenosine triphosphate, ATP to adenosine diphosphate ADP
you have two perfectly insulated cups. one contains water and the other contains an equal volume of another liquid that
Given the tabulated data, what is the lattice energy of crystalline calcium chloride?
What volume of ammonia at 25 °C and 1.5 atm pressure is needed to produce 500 g of urea?
For the following pair of polymers, state whether or not it is possible to determine whether one polymer is more likely to crystallize than the other. 1) linear and syndiotactic polypropylene
Will a red blood cell undergo crenation, hemolysis, or no change in each of the following solutions
In what type of material is the energy gap between the valence and the conduction band the greatest? Na, Ge or diamond. Draw a rough energy band showing the valence
Are the following processes exothermic or endothermic. the combustion of gasoline in a car engine water condensing on cold pipe CO2(s) CO2(g) F2 2F(g)
The vapor pressure of pure water at 25 degrees Celsius is 28.3 mmHg. Estimate the mass in grams of KCl needed per liter of pure water to reduce the vapor pressure of water at 25 degrees Celsius by 5%.
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