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Explain when a gas is cooled at constant volume form an primary temperature of 50 C to 25 C it loses 60J of heat. Define when the same gas is cooled from 50C to 25C at constant pressure it loses 100J of heat. State what is the value of enthalpy change delta H when the gas is heated from 25C to 50 C at constant volume?
A sample of 2.75 moles of carbon dioxide gas at 125°C and 248 torr occupies a volume of 275 L. Explain what will the gas pressure be if the volume is increased to 321 L at 125°C
How many grams of ice at 0 degrees Celsius and 101.3 kpa can be melted with the addition of 0.400 kJ of heat.
Calculate the percent ionization of 0.085 moles/l of lactic acid in a solution containing 0.050 moles/l sodium lactate
At standard temperature, a gas has a volume of 335 mL. The temperature is then increased to 123 degrees celcius, and the pressure is held constant. What is the new volume
What are the resonance structures and intermediates in the formation of bromoacetanilide from the reaction of acetanilide and bromine liquid with acetic acid
a 10g sample of acetic acid hc2h3o2. was burned in a bomb calorimeter in an excess of oxygen. the temperature of the
Depict the structural formula for 2,5,6-trimethylnonane, 3-propyl-4,5-dimethylheptane., and 1-ethyl-3-methylcyclohexane.
What would be the product if D2O were added to a Grignard reagent such as phenylmagnesium bromide? Is this type of product in Grignard
What is theoretical yield of nitrogen monoxide in grams d. How many moles of excess reactant remain e. What is the % yield of the reaction
A girl is celebrating her seventh birthday. Each guest is served one large slice of chocolate cake, a hamburger, French fries, and some oranges. Identify the food groups mentioned above.
A 4.05 g sample of a compound containing only C, H, and O was burned completely. The only combustion products were 10.942 g CO2 and 4.476 g H2O. What is the empirical formula of the compound.
A 0.4000M solution of nitric acid is used to titrate 50.00mL of 0.237M barium hydroxide. (Assume that volumes are additive). Write a balanced net ionic equation for the reaction that takes place during titration.
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