URGENT PLEAS HELP A functional group is a specific arrangement of atoms in an organic compound that is capable of characteristic reactions

Is this true of false
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This element exists in adundance in the sun.explain how you would go about capturing sunlight.would this captured sunlight contain any of the element?

How much would the freezing point of water decrease if 4 mol of sugar were added to 1 kg of water(k=1.86 c/mol/kg for water and i=1 for sugar

If i initially have a gas at a pressure of 12 atm, a volume of 23 liters, and a temperature of 200 k, and then i raise the pressure to 14 atm and increase the temperature to 300 k, what is the new volume of the gas?