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If 4.168 kJ of heat is realsed be a reaction inside a calorimeter containing 75.40 g of water, the temperature of the water as well as the calorimeter increases from 24.58C to 35.82C. Compute the heat capacity of the calorimeter (in J/C). The specific heat of water in 4.184 J/gx C
Marble (calcium carbonate) reacts with hydrochloric acid solution to form calcium chloride solution, water, and carbon dioxide. What is the percent yield of carbon dioxide if 2.90 g of the gas is collected when 10.5 g of marble reacts
The temperature of 2.50 moles of an ideal gas increases from 13.5'C to 55.1'C as the gas is compressed adiabaticaly. Calculate q,w,deltaU and deltaH.
combustion of 1.96g of a compound containing only hydrogen and carbon produced 6.35g of co2 and 2.25g of h2o. the
A polonium parent having 84 protons as well as 130 neutrons undergoes a series of three radioactive decays, one β decay and two α decays. Explain what the name is as well as symbol for the daughter species that results from this decay
Determine what volume of 1.0 mol/L solution of Copper monosulfide can be made from 23.9 grams of Copper monosulfide?
A. trigonal pyramidal, square planar, linear B. trigonal pyramidal, tetrahedral, see-saw C. trigonal planar, tetrahedral, square pyramidal D. T-shaped, see-saw, square pyramidal E. trigonal planar, see-saw, square planar I hate shapes, not positiv..
Depict the skeletal structure of the monohalogenated alkenes formed when trans-1-chloro-4-iodocyclohexane is reacted with 1 equivalent of sodium tert-butoxide.
carbon disulfide can b made by the reaction of carbon dioxide and sulfur trioxide 2so3(g) + Co2(g) + heat >
magnesium has three naturally occurring isotopes 24mgisotopic mass 23.9850 amu abundance 78.99 25mgisotopic mass
Calculate the pH in the cathode compartment if the cell emf = 0.67 V when PNO = 1.00 atm, [Sn4+] = 0.10 M, [NO3-] = 0.010 M, and [Sn2+] = 0.020 M
Explain when 0.593 g of an unknown solute is dissolved in 14.9 g of water, the freezing point is depressed by 1.74 Celsius degree. Compute the molecular weight of the unknown solute, pretentious that it is a nonelectrolyte.
Balance the chemical equation given below, and determine the number of grams of MgO needed to produce 15.0 g of Fe2O3. ___ MgO(s) + ___ Fe(s) ? ___ Fe2O3(s) + ___ Mg(s)
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