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Assuming that all the heat evolved in burning 74.0 L of natural gas at standard conditions is transferred to 9.50 kilograms of water (specific heat = 4.18 J/g K), calculate the increase in temperature of the water
calculate w and delta e when one mole of a liquid is vaporized at its boiling point (80 degrees celscius) and 1.00 atm pressure. Delta H vaporization for the liquid is 30.7 kJ/mol at 80 degrees celscius.
A 643 mL gas sample at STP is compressed to a volume of 187 mL, and the temperature is increased to 33?C. What is the new pressure of the gas in Pa? Answer in units of Pa.
Sodium bicarbonate is called baking soda because when heated, it releases carbon dioxide gas, which is responsible for the rising of cookies, doughnuts, and bread. Calculate the volume (in liters) of carbon dioxide by heating 4.37 g of sodium bica..
A certain substance has a molar heat of vaporization of 31.6 kj/mol. How much of the sunstance is in a sample that requires 57 kj to vaporize.
Assume you place 0.167 grams of a gaseous compound in a 0.346 Liters flask. It exerts a pressure of 0.427 atm of 30 degrees Celsius.
Because HCl and NaOH are a strong acid and base respectively, they dissociate completely and the pH of the solution is dependent only on the excess acid or base in the beaker at that point in the titration.
How many grams of ethylene glycol would be needed to prevent 4kg of water from freezing above -5.0 degress C
When ethane (C2H6) reacts with chlorine (Cl2), the main product is C2H5Cl, but other products containing CI, such as C2H4CI2, are also obtained in small quantities.the formation of these other products reduces the yield of C2H5CI.
A sample of helium gas, He, at 22 degrees C and 101.3 kPa occupies a volume of 2.54L. At a constant pressure, what volume will it occupy at a liquid nitrogen tempature of -197 degrees C?
Substituents on an aromatic ring can have several effects on electrophilic aromatic substitution reactions. Substituents can activate or deactivate the ring to substitution
Explain The Chemistry of Food Composition, find the nutritional values/info in food from USDA Nutrient Data Laboratory?
If the aqueous solution in the above problem with ammonia was also allowed to equilibrate with an atmosphere containing 10 3.5 atm carbon dioxide
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