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1. Calculate the energy in J required to raise the temperature of 250g of ice from -5.5C to 110C at 1 atm. 2. A aqueous 5L salt solution contains 0.5kg of NaNO3. Calculate the melting point, boiling point, vapor pressure and osmotic pressure of the solution at 25C. Assume density = 1.0g m/L. 3. C3H6 + H2--------C3H8 Keq=7.4 X 10 to the 16th power2M propene gas reacts with 1M hydrogen gas to form propane gas. At equilibrium what concentration of hydrogen remains?
chlorination of ethane yields in addition to ethyl chloride a mixture of two isomeric dichlorides. what are the
How many moles of water can be produced from 14 moles of carbon dioxide. How many moles of CH4 will be produced along with 6 moles of water
What is the energy of a mole of photons associated with light of viavelength and how many significant figure should be used in reporting.
Describe why this is based on the wavelength range that is transmitted. What color would you see if you mixed the two solutions with ?max = 520 and ?max = 610?
A 0.4168-g sample of a compound known to contain only carbon, hydrogen, and oxygen was burned in oxygen to yield 0.7745 g of CO2 and 0.1586 g of H2O. What is the empirical formula of the compound?
Predict the anode, cathode, and overall cell reactions when an aqueous solution of each of the following salts is electrolyzed in a cell having
the human body contains 0.20 natural potassium. k-40 represents 0.0117 of naturally occurring potassium. 1. what is the
a 50.00-ml sample of 0.100 m koh is titrated with 0.152 m hno3. calculate the ph of the solution after 52.00 ml of hno3
three gases 8.00 of methane 18.0 of ethane and an unknown amount of propane were added to the same 10.0- container.
1) Draw all aldehyde and ketone isomers of C 6 H 12 O. 2) What is the reaction that occurs with hexanal and propanol (give both the hemiacetal and acetal products)?
it is found that the concentration of Pb2+ in a saturated solution of lead bromide is 1.2x10^-2M. what is the ksp for PbBr2
A compound with a molecular formula of C8H16 demonstrates the subsequent spectroscopic data. Identify this compound.
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