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A) The specific heat of lead is 0.129 J/goC. Find the amount of heat released when 2.4 mol of lead is cooled from 37.2oC to 22.5oC
B) How many kJ ofenergy are needed to raise the temperature of 165 mol of water from 10.55oCto 47.32oC?
Draw the structure of the dimer. Water (circled) is eliminated when the bond between the monomers forms. Circle the atoms of the ester functional group.
What would you observe if Cu2+ and Bi3+ was treated with 6M NHO3 rather than concentrated NH3
What is Go per mole of dichromate ions for the reduction of dichromate ions, Cr2O72-, to Cr3+ by bromide ions, Br-, in acidic solution?
A volume of 70.0 mL of aqueous potassium hydroxide (KOH) was titrated against a standard solution of sulfuric acid (H2SO4). What was the molarity of the KOH solution if 18.2 mL of 1.50 M H2SO4 was needed? The equation is 2KOH+H2SO4K-->2SO4+2H2O
What is the overall balanced reaction in the direction that it is spontaneous and calculate the standard cell potential.
What is the value of K_sp for tin(II) sulfide, given that its solubility
A volume of 10.0mL OF A .00600 msolution of Cl- ions are reacted with .500 M soution of AgNO3. what is the max mass of AgCl that precipitates
What is the molarity of a solution made from 23.1g of NaNO2 dissolved in enough water to make 500ml solution
A piece of amber was cut into a rectangular solid measuring 5.18cm by 10.8cm by 2.85m . What is the volume in cubic centimeters
Calculate the amount of energy that would be required to promote an electron from n=1 to n=100 in Li^2+
if 100.0 grams of copper cu completely reacts with 25.0 grams of oxygen how much copperii oxide cuo will form from
A gamma ray has a frequency of 3.5 x 1019Hz. Determine the wavelength of this radiation in nm and the energy of a photon of this radiation.
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