The volume of a sample of gas is 2.8 L when the pressure is 749.5 mm Hg and the temperature is 31.2 C. What is the new temperature in degrees Celsius if the volume increases to 4.3 L and the pressure increases to 776.2 mm Hg? a 120 C
b 280 C
c 480 C
d 210 C

Which of the following is the correct definition of chemical energy? a. energy an object has because of its motion or position b. energy resulting from the flow of charged particles, such as electrons or ions c. energy produced from the splitting of atoms d. energy stored in chemical bonds of molecules

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Iron (fe) reacts with copper sulfate (cuso4) to form iron (ii) sulfate. in this reaction, cu2+ gains electrons to form cu. which statement is true about this reaction? fe(s) + cuso4(aq) → feso4(aq) + cu(s)