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A 6.52 g mass of a metal was heated to 103.88°C and then plunged into 100.0 g of water at 24.73°C. The temperature of the resulting mixture became 28.28°C.
A stream of oxygen was passed at a rate of 20mL per minute at S.T.P. for 1 hour through a silent electric discharge followed by a gas-washing bottle containing aqueous ammonium iodide
A bomb calorimeter whose components have a heat capacity of 6.66 kJ/°C is filled with 913 g of water. (The amount of water is not constant from experiment to experiment.
Metabolic regulation is achieved via regulating enzyme activity in 3 ways: allosteric regulation, covalent modification, and enzyme synthesis/degradation.
How much ice(in grams) would have to melt to lower the temperature 352ml of water from 25degrees celcus to 5 degrees celcus? ( assume the density of water is 1.0g/ml)
At equilibrium the total pressure was 1.00 atm and the NOCl prssure was 0.27 atm. 2NOCl(g) &hArr 2NO(g) + Cl2(g) Calculate the partial pressure of NO and Cl2 in the system
A graduated cylinder contain s 23.0 mL water. what is the new water level after 35.6 g of silver metal is submerged in the water?
When 18.5 mL of propanoic acid and 19.0 mL of n-propanol are mixed together, calculate the volume of water expected if the yield of the ester were 100%
accidentally mixed. A 4.50-g sample is burned, and 2.70 g of CO2(g) is produced. What was the mass percentage of the table salt in the mixture?
A mixture of gases with a pressure of 800.0 mm Hg contains 60% nitrogen and 40% oxygen by volume. What is the partial pressure of oxygen in this mixture?
Define the Beer-Lambert Relationship in detail.How does this relationship allow one to quantify an unknown?
the route you would use to go from starting material product to the end.
In a coffee-cup calorimeter, 1.50 g of NH4NO3 is mixed with 76.0 g of water at an initial temperature of 25.00°C. After dissolution of the salt, the final temperature of the calorimeter contents is 23.65°C.
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