A sample of lead is heated to 189.4 degree Celsius. It is then placed in a cup containing 32.8 g water at 24.3 degree Celsius. The final temperature of the water and lead is 29.6 degree Celsius. Calculate the mass of the sample of lead. The specific heat of water is 4.184 J/ g degree Celsius and the specific heat of lead is 0.130J/ g degree Celsius.
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Select the correct answer how does the heat content of the reaction change in the process of photosynthesis when a glucose molecule is formed? ca the value of is negative the value of qis positive the value of a remains constant the value of a decreases the value of equals zero e
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Consider the reaction of a(g) + b(g) + c(g) => d(g) for which the following data were obtained: experiment initial [a], mol/l initial [b], mol/l initial [c], mol/l initial rate, mol/l.s 1 0.0500 0.0500 0.0100 6.25 x 10^-3 2 0.100 0.0500 0.0100 2.50 x 10^-2 3 0.100 0.100 0.0100 1.00 x 10^-1 4 0.0500 0.0500 0.0200 6.25 x 10^-3 what is the rate law for the reaction?
Answers: 3
A sample of lead is heated to 189.4 degree Celsius. It is then placed in a cup containing 32.8 g wat...
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