The Value of a Human Life: $129,000. In theory, a year of human life is priceless. In reality, it's worth $50,000. That's the international standard most private and government-run health insurance plans worldwide use to determine whether to cover a new medical procedure.
Answer: -
Bond dissociation energy is the energy required to dissociate two atoms with covalent bonds.
This energy must be supplied during the course of a reaction.
Interesting to note that not all the bonds need to be broken during a chemical reaction, only the ones involved in the reaction.
The majority of wind turbines consist of three blades mounted to a tower made from tubular steel. There are less common varieties with two blades, or with concrete or steel lattice towers. At 100 feet or more above the ground, the tower allows the turbine to take advantage of faster wind speeds found at higher altitudes.
Turbines catch the wind's energy with their propeller-like blades, which act much like an airplane wing. When the wind blows, a pocket of low-pressure air forms on one side of the blade. The low-pressure air pocket then pulls the blade toward it, causing the rotor to turn. This is called lift. The force of the lift is much stronger than the wind's force against the front side of the blade, which is called drag. The combination of lift and drag causes the rotor to spin like a propeller. So therefore your answer would be A.
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Answer:
Explanation:
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In this case, since the determination of empirical formulas requires the moles of the constituents, we first need to calculate the moles in the given grams of the listed elements:
Next, we divide each moles by the fewest moles, in this case, those of phosphorous, in order to determine their subscripts in the empirical formula:
Thus, we multiply these subscripts by 5 to get whole numbers:
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