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How do you find theoretical yield when the actual yield is 2.4 g.
in most cases the solid substance on the tlc plate called the stationary phase is quite polar. often it is sio2 called
When the equation below is properly balanced, the correct sequence of coefficients is? NaCl(s) + SO2(g) + H2O(l) + O2(g) NaSO4(s) + HCl(g)
Calculate the average value of the cosine of the angle between the electric field direction and the molecular dipole, , of a collection of molecules each with a dipole moment,µ=1.0 x 10-29 Coulomb meters
in a coffee-cup calorimeter 1.60 g of nh4no3 is mixed with 78.0 g of water at an initial temperature of 25.00degc.
canned tuna was analyzed by the Kjeldahl method; 22.66ml of .1224M HCl were required to titrate the liberated ammonia. Calculate the percentage of nitrogen in the sample.
Calculate the mass defect in Fe-56 if the mass of an Fe-56 nucleus is 55.921 amu. The mass of a proton is 1.00728 amu and the mass of a neutron is 1.008665 amu.
HClO is a weak acid (Ka=4.0x10-8) as well as so the salt NaClO acts as a weak base. Explain what is the pH of a solution that is 0.028 M in NaClO
Which of the following enzymes catalyzes a group transfer reaction? A. hexokinase B. aconitase C. phosphoglycerate mutase D. malate dehydrogenase E. triose phosphate isomerase
A 486 mL sample of water was cooled from 50.0°C to 10.0°C. Assuming a specific heat of 4.184 J/K g and a density of 1.00 g/mL, find the amount of heat transferred from the water to the surroundings.
the reaction is commenced with initial concentrations a 0.2 m b 0.2 m and c 0.2 m. in what direction does the
If the step for digesting the precipitate were omitted, will the reported "percent limiting reactant" in the salt mixture be too high, too low, or unaffected
Important information about Heat of Reaction, The combustion of butane produces heat according to the equation 2C4H10(g) + 13O2(g) --> 8CO2(g) + 10H2O(l) deltaHrxn= -5314kJ
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