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Select the more polar bond in each of the following pairs: a) C-C or C-O; b) P-Cl or P-Br; c) Si-S or Si-Cl; d) F-Cl or F-Br; e) P-O or P-S.
Determine how much heat is formed by this reaction if a typical packet has 250 g of Fe to warm your hands (or feet for up to 4 h) express your answer in kJ?
2 FeS + 3 N2 → 2 FeN + 2 SN2 This reaction has a 65.0% yield. How much N2 is consumed if 13.6 g of FeN are produced?
a 43 L tank contains a gas under a pressure of 369 atm. What volume would the gas occupy at the same temperature at 710 torr of pressure?
Be sure to fully explain how your experiment and the resulting data would allow you to determine the wavelength of maximum absorbance for the FeSCN2+ complex.
what is the minimum distribution coefficient that permits the removal of 99% of a solute from 50 mL of water with a. two 25mL extrations with toluluene
Acetylene gas (C2H2) is produced as a result of the reaction CaC2+2H2O-->C2H2+Ca(OH)2 If 16g of CaC2 are consumed in this reaction, how much H2O is needed? answer in units of mol.
In an excess amount of oxygen, how many grams of CO2 (g) are theoretically produced from the combustion of 901.0 g of glucose [C6H12O6 (s), molar mass of 180.2 g/mol]?
What quantity of heat is required to change 40.0 g of ice at melting point to liquid water? The heat of fusion of ice is 335 J/g. The answer should be 13400 J Please include steps in solving
Calculate the percent manganese in the sample as Mn3O4 (only part or none of the manganese may exist in this form, but we can make the calculations on the assumption that it does)
A cylindrical bar of metal having a diameter of (4.740x10^0) mm and a length of (9.9406x10^2) mm is deformed elastically in tension with a force of (1.281x10^4) N.
Use ICE table and henderson-hasselbach equation to calculate pH of BUFFER A after your particular volume of acid was added to achieve pH change of 1.0.
Determine the mass in gms for pure Ag sample that loses 2.88kJ if its temperature drops from 143 degree celsius to 28 degree celsius.?
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