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State the balanced net equation for the reaction that takes place when 0.1 M solutions of lead (II) nitrate and lithium iodide are mixed.
The radioisotope 224Ra decays by a emission primarily to the ground state of 220Rn (94% probability) and to the first excited state 0.241 MeV above the ground state (5.5% probability). What are the energies of the two associated a particles
How many moles of gas are there in a 45.0 L container at 25.0 degrees Celcius and 500.0 mm Hg
Methane (CH4), ammonia (NH3), and water (H2O) all have octets around the central atom, yet they have different shapes and bond angles
Unknown compound A (C8H12) is reacted with H2 (excess) in the presence of a palladium catalyst forming compound B (C8H16). In addition when compound A is reacted with O3 followed by zinc and acetic acid the following two compounds are formed
a 6.0-g sample of nih2o6cl2 is dissolved in aqueous solution. if an excess of ethylenediamine en is added to the
The molar enthalpy of fusion of ice at 0 Celcius is 6.02 kJ/mol; the molar heat capacity of supercooled water is 75.3 J/(mol-K). (a) One mole of supercooled water at -10 Celcius is induced to crystallize in a heat-insulated vessel.
a solution transmittance is 35 at 260 nm. what will the solution absorbance be if you dilute 25.0 ml of the solution to
When a molecule forms a hydrogen-bonded dimer as shown in your lab manual on pg 162 or is an electrolyte, you need to account for Van't Hoff factors. For the dimer shown in manual
Assume that the products are carbon dioxide and water. Answer the following question: If ONE mole of iso-octane is burned, how many mols of water are formed
how many valence electrons do each of the following elements have, and what are the specific valence electrons for each element
an sewage from a reactor has a combination of ethanol acetone and acetonitrile with flow rate of 120 kmolh 150 kmolh
A 54.14 g sample of a substance is initially at 28.6 C. After absorbing 2631 J of heat, the temperataure of the substance is 179.1 C. What is the specific heat (c) of the substance
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