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Murljashka [212]
3 years ago
14

What is considered to be an unsafe level of lead in flint michigan water?

Chemistry
1 answer:
Olenka [21]3 years ago
7 0

Answer:

More than 40 percent measured above 5 ppb of lead, which the researchers considered an indication of a “very serious” problem.

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If carbon lost one proton, what atom would be formed
Rudiy27

Answer:

boron

Explanation:

boron has 5 protons and carbon has 6, so if carbon lost a proton, it would become boron since each element has a unique number of protons.

5 0
3 years ago
If you put an egg on a sidewalk on a hot day in July and try to cook it you are using?
Zepler [3.9K]

Answer:

  • <em><u>Passive solar energy</u></em>

Explanation:

First of all, you must know that you if you put an egg on a sidewalk you are dealing with energy from the Sun, i.e. solar energy, while geothermal energy is energy that comes from the inner of the Earth and biomass energy comes from plant or animal material.

The term passive solar energy refers to the fact that the energy of the sun is used directly for the intended task, which in this case is to cook the egg.

The term active solar energy refers to the fact that the energy of the Sun is converted into a  different form of energy and then used for your purpose. For instance, if the energy of the Sun were used to produce electricity and then this electricity used to cook the egg, you would be using an acitve solar energy.

5 0
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Which of the following is a strong base?
malfutka [58]
C. NaOH ammmonia is also an base but not as strong as NaOH
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Isotopes of the same element have the same number of ________ and a different number of _____.
vovangra [49]
<span>C.) Protons, neutrons. Hope it helps :)</span>
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Some of the NH₄+ will combine with the OH- and shift the equilibrium backwards and from NH₄OH to balance the change produced by addition of NH₄+ ions.
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