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Lena [83]
2 years ago
14

Application Question: In Lancaster county, Pennsylvania, it is common for members of the Amish community to use wind mills to pu

mp water from underground to fill a tank for drinking water. The wind causes the turbine blades to spin, rotating a shaft, which is transferred through some gears to operate a pump that is plugged in to an outlet, which pumps water up from deep below the ground to fill an above ground tank. Identify the energy conversions happening in the fill in the blank question on the right.
Word bank (not all words will be used): sound, light, thermal, nuclear, elastic, gravitational, kinetic, electrical
4
Required
Wind blows (--------- energy) causing the turbine to turn, which rotates the shaft and allows the water pump (-----------) to work. The pump causes the water to move up from the well ( energy) where the water is stored in a tank that is positioned 5 feet above the ground (gravitational potential energy).
Chemistry
1 answer:
Free_Kalibri [48]2 years ago
8 0

Answer:

The wind blows wind energy causing the turbine to turn,  the rotating shaft works the pump making mechanical energy.

The motion of water moving up from a well is kinetic energy.

Water in the tank, which is positioned 5 feet above the ground level is potential energy

Explanation:

The wind has in it wind energy which is then used to rotate the turbine shaft which is a form of mechanical work and hence possess mechanical energy

Moving water possesses kinetic energy and when this water is kept at some height it possesses potential energy

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Answer:

El enlace iónico se forma por transferencia de electrones entre metales y no metales. El enlace covalente se forma al compartir electrones entre no metales.

Explanation:

5 0
3 years ago
A method used by the U.S. Environmental Protection Agency (EPA) for determining the concentration of ozone in air is to pass the
baherus [9]

Answer: 1. 9.08\times 10^{-6} moles

2. 90 mg

Explanation:

O_3(g)+2NaI(aq)+H_2O(l) \rightarrow O_2(g)+I_2(s)+2NaOH(aq)

According to stoichiometry:

1 mole of ozone is removed by 2 moles of sodium iodide.

Thus 4.54 \times 10^{-6} moles of ozone is removed by =\frac{2}{1}\times 4.54 \times 10^{-6}=9.08\times 10^{-6} moles of sodium iodide.

Thus 9.08\times 10^{-6} moles of sodium iodide are needed to remove 4.54\times 10^{-6} moles of O_3

2. \text{Number of moles of ozone}=\frac{0.01331g}{48g/mol}=0.0003moles

According to stoichiometry:

1 mole of ozone is removed by 2 moles of sodium iodide.

Thus 0.0003 moles of ozone is removed by =\frac{2}{1}\times 0.0003=0.0006 moles of sodium iodide.

Mass of sodium iodide= moles\times {\text {molar mass}}=0.0006\times 150g/mol=0.09g=90mg    (1g=1000mg)

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3 0
3 years ago
29 Points!!
atroni [7]
The last one would be false
3 0
3 years ago
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Explanation: Mass is the measure of amount of matter in a certain object.

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