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Given the following equation: Heat (cal) = g x ?T(°C) x specific heat and that the heat of water is 1.00 cal/g°C.
A metal object with a mass of 32 g is heated to 99°C, and then transferred to a calorimeter containing 75 g of water at 18°C. The water and metal object reach a final temperature of 24°C. What is the specific heat of this metal object?
Calculate the standard free-energy change for the following reaction at 25 °C 2Au+3Ni---->3Au+3Ni2+
ch3 h cl draw the two stereoisomeric markovnikov addition products of this reaction. are both products chiral? explain.
It is produced natrually from degradation of organic matter, and also anthropogenically from fuel combustion.) The acid dissociation constant, Ka for formic acid is 10-3.7. Assume T=4*C and I=0.
many metallic catalysts especially precious metal catalysts are deposited as thin films on materials with a very high
when heated hydrogen sulfide gas decomposes according to the equation above. a 3.40 g sample of h2sg is introduced into
How many moles of carbon, hydrogen and oxygen atoms does a mass of 32.5grams of sugar represent? How many atoms of each type are there in this mass of sugar?
Predict the intensities of the peaks at masses 57 and 114 in the spectrum of 2,2,3,3-tetramethylbutane. Support your answer with its corresponding fragmentation reaction.
What is the pressure of the gas in this mercury manometer if h = 69 mm and atmospheric pressure is 749 mmHg
The barometric pressure was 768.6 mmHg when the open end manometer attached to a flask holding a gas read 13.0 mmHg. (mercury level highest on the side connected to the flask.) what is the pressure of the gas in the flask in kilopascals?1.00 atm =..
Illustrate with a net ionic equation for each of the following how the pH would increase, decrease, or stay the same with the indicated changes: (b) Adding ammonium nitrate to a solution of ammonium hydroxide
The pH of a 0.010 mol L-1 solution of a weak monoprotic acid is 2.09 at 25oC. What is the pKa for this acid
calculate the number of atoms per cubic meter in aluminum. the density and atomic weight of aluminum are 2.70 gcm3 and
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