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Explain what is the heat of the fusion of ice? If cup is 3.494g as well as ice is 11.732g and water 32.128g. Initial water is 23.2 degree Celsius, ice initial is 20 degree Celsius and final temp is 0 degree Celsius. And moles of ice 0.65.
Calculate the cumulative acid equivalents per square meter that were deposited in the watershed over the entire period 1880-1950.
A standard oxalic acid solution is 0.065 M. It was prepared by dissolving H2C2O4*2H2O in distilled water.
When 7.00 moles of gas A and 3.00 moles of gas B are combined, the total pressure exerted by the gas mixture is 1.0 atm. What is the partial pressure exerted by gas A in this mixture?
What are the equilibrium concentrations of NO-2 , HNO2, H+, and OH- in an aqueous solution prepared by combining 50.0 mL of 0.0500 M NaNO2 and 50.0 mL of 0.0800 M HCl? Ka = 7.2 x 10-4 for HNO2.
Calculate the molality of each of the following solutions. (a) 13.7 g of sucrose (C12H22O11) in 671 g of water m (b) 7.24 moles of ethylene glycol (C2H6O2) in 3808 g of water
When (R)-6-chloro-2,6-dimethyloctane undergoes solvolysis in 80% aqueous acetone, what is the relationship between the substitution products formed in the reaction
what is the relationship between the carbon to nitrogen bond lengths and bond order for HCN molecule
From the ration of the mass of the black product to the initial 5g placed in the flask, could the remaining black compound be the anhydrous copper carbonate hydroxide molecule?
When 25.0 g of Zn reacts, how many L of H2 gas are formed at 25 °C and a pressure of 854 mmHg?
double bond energy= 837 h single bond cl = 431 C single bond C = 347 C single bond H = 414 C single bond Cl 339 It says answer is -154 kJ but im not getting that
A 64.3-g piece of aluminum at 94 °C was immersed into 70.0-g water at 25.0 °C. The water temperature rose to 36.4 °C. Calculate the molar heat capacity of the metal.
A voltaic cell consists of an Mn/Mn2+ half-cell and a Pb/Pb2+ half-cell. Calculate [Pb2+] when [Mn2+] is 1.1 M and Ecell = 0.35 V. How about when [Mn2+] is 3.1 M and Ecell = 0.45 V. Calculate the Molarity for both situations.
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