Problem related to specific heats
Question: Substances A and B are the same mass and at the same initial temperature. When they are heated, the final temperature of A is 55 degree C higher than the temperature of B. What does this tell you of the specific heats of A and B.
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What concentration of O2 (in grams per liter) can dissolve in water at 37 degrees C when the O2 partial pressure is 40 mm Hg? The Henrys law constant for O2 at 37 degrees C is 1.5x1o^-6 mol/(L-mmHg).
Consider 4.90 L of a gas at 365 mmHg and 20. degrees celisus . If the container is compressed to 3.00 L and the temperature is increased to 40.degrees celisus , what is the new pressure, P2, inside the container
a. Provide equation for the complete combustion of ethylbenzene. b. Provide an equation for the partial combustion of acetylene. c. If 100 kg o both material where available, which hydrocarbon (ethylbenzene or acetylene) would produce the most wat
1. The Vmax determined from a Lineweaver-Burk plot corresponds to what function of the slope and y intercept. 2. The Km determined from a Lineweaver-Burk plot corresponds to what function of the slope and y intercept
Write the missing formulas in the chemical equations
Methyl salicylate + NaOH --> disodium salicylate + Ch3OH + H20 disodium salicylate + H2SO4 --> salicylic acid + Na2SO4 The two chemical equations above are for the synthesis of salicylic acid. In the second equation, when H2SO4 is added quic
If the partial pressure of NO is decreasing at the rate of 30 torr/min, what is the rate of change o f the total pressure in the container.
0.8720-g sample of mixture consisting solely of sodium bromide and potassium bromide yields 1.505 g of silver bromide. What are the percentages of the two salts in the sample.
What is the volume of a 1.25 M NaOH solution required to neutralize a mixture of 50.0 mL vinegar (5.0% m/V acetic acid) and 50.0 mL concentrated acetic acid (95.0% m/V) solution? Acetic Acid: 60.05 g/mol
When aluminum is placed in concentrated hydrochloric acid, hydrogen gas is produced. 2Al(s)+6HCl(aq) yeilds 2AlCl3(aq)+3H2(g). what mass of Al(s) if required to produce 725.5 mL of H2(g) at STP
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