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The Delta H for this reaction is 54.8 kJ. How much energy would be absorbed if 24.7 g of NH_4Cl reacts?
Nitromethane has a relatively high boiling point of around 100 c. Which of the following intermolecular force is not present in pure liquid nitromethane and why.
Given the following data table of average bond enthalpies, estimate the ΔH^rxn for the reactions 2H2+O2-- 2H2O. What is the hybridization of xenon in each of your Lewis resonance structures?
determine the mass of silver phosphate formed when 4.33 g of silver nitrate is reacted with 22.7 mL of .118 M K3PO4 ?
what is the molecular geometry around each central atom: CH2CH2(double bond) C=? C=? Also, for CH3 O CH3 C-O-C C=? O=? C=.
If a 180mg piece of gold (density =19.32g/cm^3 ) is hammered into a sheet measuring 2.1ft x 1.0ft , what is the average thickness of the sheet in meters?
A sample of pure NO2 is heated to 334 degree C at which temperature it partially dissociates according to the equation 2NO2(g)-->2NO(g)+O2(g)
If it takes 1250 J to raise the temperature of 33.5g of a substance 59 deg C what is the specific heat of the substance
The heat of solution of ammonium chloride is 15.2 kJ/mol. If a 6.253 g sample of NH4Cl is added to 65.0 mL of water in a calorimeter at 26.9°C.
A 0.4647-g sample of a compound known to contain only carbon, hydrogen, and oxygen was burned in oxygen to yield 0.8635 g of CO2 and 0.1767 g of H2O.
A gas occupies a volume of 2.45 L at a pressure of 1.03 atm and a temperature of 293K. What volume will the gas occupy if the pressure changes to 0,980 atm and the temperature remains unchanged?
Consider a process carried out on 1.00 mol of a monatomic ideal gas by the following pathway from state A to state B. Pathway
It is often possible to change a hydrate into an anhydrous compound by heating it to drive off the water (dehydration). A 46.06 gram sample of a hydrate of MnSO4
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