• What is the mechanism of the reverse of claisen reaction?

• Heat of combustion of carbon is 96 Kcal. When some quantityt of carbon is burnt in oxygen, 48 K cal of heat is liberated. What is the volume (in lit) of oxygen at STP reacted with this carbon

• How to find the buffering capacity of Phosphates

• What pill causes skin eruptions that look like bug bites

• Bond Enthalpy o=o(495kj/mol),S-F(327kj/mol),S=O(523 kj/mol) Part C Use average bond enthalpies to estimate the enthalpy of the following reaction: 2SF4+O2=2OSF4

• porcelain dissolve in which substance

• a volume of gas measures 778 mL at 752 mmHg pressure. What will be the volume at 1.34 atm?

• Given that 4NH3(g) + 5O2(g) 4NO(g) + 6H2O(g), if 8.2 moles of NH3 react with sufficient oxygen, how many moles of water will be formed?

• how much energy is needed to raise the temperature of a 55 g sample of aluminum from 22.4 c to 94.6 c?

• find the number of moles of an ideal gas contained in a 4.7 L tank at 6 degrees celsius and 710 mm Hg

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