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2 years ago

8

How did dmitri mendeleev arrange the periodic table.

1 answer:

worty [1.4K]2 years ago

3 0

Answer:

order of increasing relative atomic mass

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Which of the following devices can measure only atmospheric pressure? A. Pressure gauge B. Mercury tube C. Tire gauge D. Baromet

kap26 [50]

D. Barometer. Hope this helps

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3 years ago

fiasKO [112]

Answer:land

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2 years ago

What are the chemical symbols for the two elements found in iron oxide

Gnom [1K]

For Iron: $Fe$

For Oxygen: $O$

These are the two chemical symbols for the two elements found in Iron Oxide.

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3 years ago

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A study of the decomposition reaction 3RS2  3R + 6S yields the following initial rate dat

shutvik [7]

Missing question: What is the rate constant for the reaction?
<span>[RS2](mol L-1) Rate (mol/(L·s))
0.150 0.0394
0.250 0.109
0.350 0.214
0.500 0.438</span>
Chemical reaction: 3RS₂ → 3R + 6S.
Compare second and fourth experiment, when concentration is doubled, rate of concentration is increaced by four. So rate is:
rate = k·[RS₂]².
k = 0,438 ÷ (0,500)².
k = 1,75 L/mol·s.

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2 years ago

If you stirred some sugar in water the sugar would disappear but the water would taste sweet. This is because __________ change

olganol [36]

a hopefully this is helpful

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