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maksim [4K]
3 years ago
12

You are asked by the President of the United States to design a new memorial statue, similar to Mt. Rushmore (see the engage que

stion on page 6). You can choose any location in the United States for this memorial and you can choose any material to use. What conditions would you look for in determining the best location and material to use in order to withstand chemical and mechanical weathering?
Chemistry
1 answer:
kicyunya [14]3 years ago
3 0

Answer:

I ask him how to fart..................

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A substance that prevents the flow of electric current is a(n) .
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Determine the electron-group arrangement, molecular shape, and ideal bond angle(s) for each of the following:
antoniya [11.8K]

The electron group arrangement of PH₃ is tetrahedral. The molecular shape is a Trigonal pyramid, and the bond angle is 93°.

<h3>What is the bond angle?</h3>

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The bond angle between the atoms of phosphine is 93°. It has one lone pair. The central atom is covered with 4 atoms.

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8 0
2 years ago
To a 0.0001 m solution of mg(no3)2, naoh was added to a final concentration of 0.001m did a precipitate form?
Natalija [7]

I looked on a solubility chart to answer this question, and hydroxides are generally insoluble (with some exceptions of course). However, it says to consider Mg(OH)_{2} as an insoluble substance, though it may be moderately soluble.


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Mg(NO_{3})_{2}_{(aq)} + 2NaOH_{(aq)} → Mg(OH)_{2} {(s)} + 2NaNO_{3}_{(aq)}

8 0
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On the periodic table, the average atomic mass for carbon is 12.01 g. Why is it not exactly 12.00?
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The average the natural abundances of the various isotopes of carbon to arrive at the fractional mass.

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