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utilizing bond energies predict he enthalpy change for the subsequent combustion reaction of methane and oxygen- ch4g
compute the wavelength and the frequency of the photon emitted if an electron in a one dimensional box of length 100
titanium f694 x 10-19 j and silicon f777 x 10-19 j surfaces are irradiated with uv radiation with a wavelength of 233
presume that when you plot a series of volumes as a function of temperature the equation for your line of best-fit is
depict the structures of the compounds as well as predict whether they can diffuse across a membrane without
a compute molarity of sucrose c12h22011 in 250ml of aqueous solution containing 70 g of c12h22o11b compute molarity of
explain an unknown amount of water is mixed with 370ml of a 6m solution of naoh solution a 75ml sample of the resulting
compute the number of moles of oxygen gas that is produced from the complete decomposition of 30g of
if 33ml of 120m hcl is added to 42ml of a solution containing excess sodium hydroxide in a coffee cup calorimeter the
among the isomeric alkanes of molecular formula c5h12 give the structural formula condensed or bond line for the one
the addition of 500 g of a compound to 250 g of naphthalene lowered the freezing point of the solvent by 0780 k compute
1 find out the mass of calcium oxide cao that can perhaps be produced by heating 446 g of calcium carbonate caco32
two 280 ml samples one 0100 m hcl also the other 0100 m hf were titrated with 0200 m koh explain what is the volume of
use coulombs law to compute the ionization energy in kjmol and the wavelength of an atom composed of a proton as well
if an alkane with formula c6h14 can be prepared by reduction with zn and h of only two different alkyle
two solutions primarily at 2469 degrees celsius are mixed in a coffee cup calorimeter ccal1055 j degrees celsius while
if an ionic equation has 2h aq on the left side as well as h2 g on the right are these species spectators as well as
define how a molecule can have a change in a dipole moment also state dipole moment in
determine the reaction fe2o3 6 hcl gt 2 fecl3 3 h2o explain how many moles of h2o will be made from 429 grams of
explain what volume of 0200 m hcl should be added to 5000ml of 0250 m nh3 to have a buffer with a ph of
draw a diagram to compute the molar mass that would be obtained from the actual experimental data under the subsequent
compute the molar mass that would be obtained from the actual experimental data under the subsequent conditions the
examination of ir spectrum for 4-methylcyclohexene synthesized what particular functional groups should be looking to
provide the mechanism for dichlorocarbene addition to cyclohexene utilizing a phase transfer catalyst