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Identify the greatest source of energy in the United States.A) petroleumB) natural gasC) waterD) coalE) nuclear power

Use the standard reaction enthalpies given below to determine ΔH°rxn for the following reaction:     2 S(s) + 3 O2(g) -> 2 SO3(g) ΔH°rxn = ?   Given:    SO2(g) -> S(s) + O2(g)  ΔH°rxn = +296.8 kJ    2 SO2(g) + O2(g) -> 2 SO3(g) ΔH°rxn = -197.8 kJ    A) -494.6 kJ  B) -692.4 kJ  C) -791.4 kJ  D) 1583 kJ  E) -293.0 kJ

 The energy that is associated with the position or composition of an object is calledA) kinetic energyB) thermal energyC) potential energyD) chemical energy

Describe the concept of Orthodoxy vs. Orthopraxy when comparing religions. Give an example of how and why orthodoxy influences religious practice, and one example of how orthopraxy influences religious practice.

How much energy is required to decompose 765 g of PCl3, according to the reaction below? The molar mass of PCl3 is 137.32 g/mol and may be useful.            4 PCl3(g) → P4(s) + 6 Cl2(g)    ΔH°rxn = +1207 kJ A) 2.31 × 103 kJB) 4.33 × 103 kJC) 6.72 × 103 kJD) 1.68 × 103 kJE) 5.95 × 103 kJ

Calculate the change in internal energy (ΔE) for a system that is giving off 65.0 kJ of heat and is performing 855 J of work on the surroundings. A) 64.1 kJB) -64.1 kJC) -65.9 kJD) 9.00 x 102 kJE) -9.00 x 102 kJ

Which of the following is not a standard state?A) for a solid, it is 25°FB) for a liquid, it is 25°CC) for a gas, it is 1 atmD) for a solution, it is 1 ME) for a liquid, it is 1 atm

Describe the concept of the Dao in Daoism. How does it influence followers’ approach to life and ethics?

 Given w = 0, an endothermic reaction has the following.A) +ΔH and -ΔEB) -ΔH and +ΔEC) + ΔH and +ΔED) – ΔH and -ΔE