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Calculate the amount of heat in J required to heat 2.00 grams of ice from -12.0 C to 88.0 C. The heat of fusion of water is 6.02 kJ/mol the specific heat capacity of ice is 2.09 J/gC and the specific heat capacity of water is 4.184 J/gC.
Devise a suitable reaction sequence in which each of the following compounds can be prepared from benzene in good yield. Assume ortho and para isomers are separate from one another, and use any other reagents you desire.
Suppose a black-body chamber is constructed from 55.8 g (one mole) of iron and heated to 500 K. Classical theory and the observations of Dulong and Petit indicate that the total energy of vibration of iron atoms is 3RT per mole.
Would Br2 react faster with a tropylium cation or cyclooctatetrene? Not sure if the aromaticity of the cation comes into play here. Please justify your reasoning
A system absorbs 295 kJ of heat and the surroundings do 177 kJ of work on the system. What is the change in internal energy of the system?
a sample of propane, contains 17.7 moles of carbon atoms. How many total moles of atoms does the sample contain.
Calculate the amount of heat liberated (in kJ) from 421 g of mercury when it cools from 91.0°C to 11.0°C.
When sodium carbonate reacts with hydrochloric acid, the carbonic acid that is formed immediately breaks down into carbon dioxide and water.
Compute the % sodium carbonate (MM = 105.99 g/mol) in this sample.
what should the stock concentration of atp be so that if you pipette a 100 uL aliquot you will obtain a final concentration of 2mM in an assay volume of 3.0 mL
Suppose that 28 g of gold is initially at 29.0 degrees celsius. What is the final temperature gold upon absorbing 2.25 kJ of heat?
Glycerine (glycerol) CH2-OHCH2-OH has a greater resistance to flow (viscosity = 94) than ethanol CH3CH2OH (viscosity = 1.08)
What mass of this substance must evaporate to freeze 185g of water initially at 17 degrees Celsius? (The heat of fusion of water is 334J/g; the specific heat of water is 4.18 J/g-K.)
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