How many joules of heat are required to raise the temperature of 174g of gold from 22°C to 85°C? The specific heat of gold is 0.129 J/g°C. Question 13 options:

84,977 J

21.41 J

41,974 J

1,414 J

An empty fuel tank can still contain and therefore can be even more dangerous than one full of liquid fuel.

To find the enthalpy of a reaction in the lab, you measured the of the reactants and the change during the reaction.

Which formula equation represents the burning of sulfur to produce sulfur dioxide? s(s) + o2(g) 4502(9) 2h2s(s) + 302(g) —> 2h20(0) + 2502(9) 4fes2+1102 —> 2fe2o3 + 8502 2802(g) + o2(9) v205 , 2503(9)