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Part A
Calculate the enthalpy change, Delta H, for the process in which 32.6 g of water is converted from liquid at 1.2 C to vapor at 25.0 C.For water, H = 44.0 kJ/mol at 25.0 C and s = 4.18J/g C for H2O(l)
Part B
How many grams of ice at -5.3 degrees Celsius can be completely converted to liquid at 27.7 degrees Celsius if the available heat for this process is 5.29×10^3 kJ
Additional information: Specific heat of ice is 2.01 J/g*degrees Celsius and delta H of ice is 6.01 kJ/mol
If you have 4.26 g of caffeine dissolved in 94.6 mL of water and the extraction coefficient between H2O and CH2Cl2 is 21.51. How many grams of caffeine will extract into the CH22Cl2 layer if you use 59.9 mL
Determine the maximum number of electrons that could be emitted from metal by a burst of light with a total energy (E)of 9.86× 10^(-7) Joules?
Americium-241 is widely used in smoke detectors. The radiation released by this element ionizes particles that are then detected by a charged-particle collector. The half-life of 241Am is 432.2 years, and it decays by emitting alpha particles
the energy of a photo is 3.16 times 10^-19J. what is the wavelength of the corresponding light. what is the color of this light.
depending on temperature, RbCl can exist in either the rock-salt or cesium-chloride structure. What is the coordination number of the anion and cation in each of these structures?
a crystal consists of a building block an atom or group of atoms that is repeated periodically through space.a describe
by solving this problemnbsp student understand about isotopic abundance and how to calculate atomic weight average
Aluminum metal reacts with sulfuric acis, H2SO4, to yield aluminum sulfate and hydrogen gas. Calculate the mass of aluminum metal needed to produce 13.2g hydrogen.
Li is in row 2 of the periodic table, Na is in row 3, and K is in row 4. How do their row numbers affect how their electron configurations end.
If 5.00 g Br2 and 3.00 g NH3 react according to the equation below, what is the maximum mass of ammonium bromide produced. 3 Br2(l) + 8 NH3(g) ? 6 NH4Br(s) + N2(g)
The reaction of 2,2-dimethyl-1-propanol with HBr is very slow and gives 2-bromo-2-methyl-propane as the major product
explain how do you compute the minimum volume of h2owater required to dissolve nacl sodium chloride of 500 grams in h2o
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