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4 years ago

1. The best thing to do during a hurricane is to _____.

2 answers:

4 0

Stay inside away from windows
Star that is about to enter a black hole
Soil forms weathers rock and organic matter
Volcanic eruption
Conduction convection radiation

Papessa [141]4 years ago

3 0

Answer:

1. stay indoors, away from windows

2. the stage after a red giant finishes nuclear fusion

3. Soil forms from weathered rocks and organic material.

4. volcanic eruptions

5. Radiation

Explanation:

1. In a case of a hurricane, it is advisable to stay indoors and away from objects like windows.

A hurricane is a low pressure zone that tends to break things in the house due to the high velocity and low pressure wind. Therefore, it is not safe tp sate near windows

2. a white dwarf called a degenerate dwaf, is a stellar component composed mostly of electron degenerate matter.

3. Soil is as a result of weathering of rocks into small granules

4. volcanoes contribute to global warming

5. Heat travels through to one area by radiation

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4 years ago

Energy removal is illustrated in. A. Changing water ice to waterB. Changing water to steamC. Boiling of gasolineD. Evaporation o

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2 years ago

How many ions of aluminum oxide (Al²O³) are there in 200 g of Al²O³??

valentinak56 [21]

= 6.022 × 1020

Explanation;

Mole of aluminium oxide (Al2O3) is

⇒ 2 x 27 + 3 x 16

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i.e., 102 g of Al2O3= 6.022 x 1023 molecules of Al2O3

Then, 0.051 g of Al2O3 contains = 6.022 x 1023 / (102 x 0.051 molecules)

= 3.011 x 1020 molecules of Al2O3

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Therefore, the number of aluminium ions (Al3+) present in 3.11 × 1020 molecules (0.051g) of aluminium oxide (Al2O3)

= 2 × 3.011 × 1020

= 6.022 × 1020

hope it helps_

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2 years ago