Which is a correct statement of what occurs at a turbine during electricity production?
A. They are burned by fossil fuels.
B. They are turned by workers,
C. They are melted by heating.
O D. They are turned using steam.

When hydrogen peroxide (h2o2) is added to potassium iodide (ki) solution, the hydrogen peroxide decomposes into water (h2o) and oxygen (o2). the chemical equation for the decomposition reaction is: 2h2o2—> 2h2o + o2. what is the role of the potassium iodide in this reaction? a. reactant. b. product. c. precipitate. d. catalyst.

Which of these natural resources is non-renewable a.corn b.wind c.geothermal d.natural gas

8. how much enthalpy/heat is transferred when 0.5113gof ammonia (nh3) reacts with excess oxygen according| to the following equation: 4nh3 +502 - 4n0+ 6h20ah = -905.4j