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When 2.00 g of NaOH is added to 50.0 ml of 1.0 M HCl solution in a constant pressure calorimeter, the temperature increased by 13.1oC. Calculate the heat of neutralization in KJ/mol. (S.H.C. for the solution is 4.18 J/K.g, assume the calorimeter does not absorb any heat and the density of the solution is 1.0 g/mL).
Calculate the heat transferred, q. Is water relevant in finding the heat transferred since it is in mL and not in grams?
does it mean that the solution will shift towards the products because there is excess of reactants? what does it mean when the solution is orange (is it shifting towards products or reactant)?
5.00 moles of ammonia are introduced into a 5.00L reactor vessel in which it partially dissociates at high temperatures. 2NH3(g)?3H2(g)+N2(g). At equilibrium at a particular temperature,
The disappearance of X is monitored at timed intervals. Assume that temperature and volume are kept constant. The data obtained are shown in the table below.
Calculate the difference in the ionization energies for 1H and 4He atoms. This result allows you to compare the effect on the ionization energy of changing the nuclear charge
If a random sample of this element collected from the tail of a comet has an weighted average atomic mass of 10.788 amu, what is the percent abundance of the lower-mass isotope?
What is the specific enthalpy and specific volume of steam at 350 c and 60 bar? Is this steam super heated or saturated?
Toluene (C6H5CH3) is a liquid compound similar to benzene (C6H6). Calculate the mole fraction of toluene in the solution that contains 138 g toluene and 106 g benzene.
A 335 mL container holds 0.146 g of Ne and an unknown amount of Ar at 35°C and a total pressure of 628 mmHg. Calculate the moles of Ar present.
If the final solution has a bromide ion concentration of 1.26 M, what was the concentration of the SrBr2 solution? (the volumes are additive) I dont understand how to write the reaction
Calcium metal has a density of 1.55g/cm3 and crystallizes in a cubic unit cell with an edge length of 558.2pm. a. how many Ca atoms are in one unit cell?
draw the shape of the molecules and give the orbital geometry around the central atom; the molecular geometry; and give the hybridization state
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