How could government laws have the most direct impact on water quality?

Chemistry

1 answer:

MariettaO [177]3 years ago

4 0

Answer:

provide rewards to use solar power

Explanation:

Using solar power we can avoid bad energy like Coal, oil, natural gas, uranium and water from a dam.

All these kinds of energy producing air pollution, water pollution, or greenhouse gases.

But solar power has some toxic materials, also, using a lot of water to keep and clean solar power. In addition, if we create a solar power near a river or lake may cause damage.

We must think in these factors before to do a solar power.

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How is condensation explained by the Kinetic Molecular Theory? Cooling reduces particle motion, resulting in coalescence by attr

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Temperature means, in this context, movement.

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Calculate the hydroxide ion concentration [oh-] for human urine (ph = 6.2). notice this is about hydroxide.

igomit [66]

[OH⁻] = 1.6 × 10⁻⁸ mol / dm³

<h3>Explanation</h3>

By definition, $[\text{H}^{+}] = 10^{-\text{pH}}$ , where $[\text{H}^{+}]$ is the concentration of proton in the solution.

pH = 6.2 for this solution. As a result, $[\text{H}^{+} = 10^{-6.2} = 6.31 \times 10^{-7} \; \text{mol} \cdot \text{dm}^{-3}$ .

$[\text{H}^{+}] \cdot [\text{OH}^{-}] = \text{K}_w$ , where $[\text{OH}^{-}]$ the concentration of hydroxide ions and $\text{K}_w$ is the dissociation constant of water.

$\text{K}_w = 10^{-14} \; \text{mol}\cdot \text{dm}^{-3}$ at 0.10 MPa and 25 °C. As a result, $[\text{OH}^{-}] = \text{K}_w / [\text{H}^{+}] = 10^{14} / (6.31 \times 10^{-7}) = 1.6 \times 10^{-8} \; \text{mol}\cdot \text{dm}^{-3}$ .