How many moles of gas are present in a cylinder of 2.50 L at 97.1 kPa and 21.3oC.
grams of 1.0ft3 of Hg
Suggest /propose remedial/corrective measures/steps for environmental protection in your own words.
Discuss the role and importance of each branch of chemistry in our daily life; along with considerations of environmental consequences and problems associated with these branches
Write a detailed/comprehensive report/note on various/different branches of chemistry
Determine the quantity of energy that will be needed to melt 2.5 X 105 Kg of iron at its melting
point 1536°C. The enthalpy of fusion of iron is 13.807 kJ/mol.
7.3 kJ of energy required to melt 0.65 mol of ethylene glycol at its melting point. Calculate the
molar enthalpy of fusion of ethylene glycol and the energy absorbed.
How many atoms are in 5.60 moles of Rb
Calculate the moles of potassium sulfide formed when 5.4g of potassium gas reacts with excess sulfur.
2 K+S > K2S
How many grams is 5.97E24 molecules of C6H12O6 gas at STP?