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How much work is done in kilojoules when the volume of a cylinder goes from 2L to 3L and stays at 2.5 atm? Are the surroundings doing work on the system or system doing work on the surroundings?
Calculate the pH of a buffer that is 0.150 M in NaHCO3 and 0.190 M in Na2CO3.
heat capacity of the bomb calorimeter is known to be 10.6 kJ/C From previous measurements,. Now determine the mass percent of naphthalene(C10H8) in the sample?
Write the structure for the organic reagents and products, name the products and indicate stereochemistry when appropriate
Carbon dioxide is a green house gas that is linked to global warming. It is released into the atmosphere through the combustion of octane (C8H18) in gasoline.
50.0 mL of 2.00 M H2SO4 react with 75.0 mL of 2.00M NaOH. Identify the limiting and excess reactants. How many grams of Na2SO4 will be formed.
Give equations for the reaction of aspirin with the following: a. acetyl chloride/ pyridine b. methanol/HCl/heat c. sodium bicarbonate, room temperature d
ow many milliliters of 0.200 M NaOH will be required to titrate 8 mL of 0.479 M H2SO4
gasoline has the density of .73g/cm^3. how many liters of gasoline would be required to increase the mass of an automobile from 1271 kg to 1305 kg.
When gaseous nitrogen,hydrogen & ammonia are mixedin a closed vessel at room temperature no apparent change in the concetrations of regardless of the original amount of gases.
calculate the final volume. A volume of 3.55 L of oxygen at 25 °C and 95 kPa is brought back to normal conditions (STP).
What is the ionization energy of rubidium atoms in kJ/mol if light with lamda=58.4nm produces electrons with a velocity of 2.450*10^6m/s? ( the mass ofan electron is 9.109*10^-31kg)
a fishing boat accidentally spills 3.0 barrels of diesel oil into the ocean. each barrel contains 42 gallons. if the oil film on the ocean is 2.5 x 10^2nm thick , how many square meters will the oil slick cover?
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