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Citrus2011 [14]

3 years ago

9

Continents motion on earth is

1 answer:

Kisachek [45]3 years ago

8 0

The movement of these tectonic plates is likely caused by convection currents in the molten rock in Earth's mantle below the crust. Earthquakes and volcanoes are the short-term results of this tectonicmovement. The long-term result of plate tectonics is the movement of entire continents over millions of years

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Density = _____<br> (A)weight/length<br> (B)mass/weight<br> (C)mass/volume<br> (D)volume/weight

8_murik_8 [283]

Density= Mass/Volume I am positive I just had an assignment on this

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3 years ago

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Determine and compare the physical properties of potassium chloride and zinc and wax. please

gayaneshka [121]

Answer:

odorless, crystalline, white solid with a sour taste.

Explanation:

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2 years ago

Why is an excited atom more reactive than a neutral?

tester [92]

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Small quantities of oxygen can be prepared in the laboratory by heating potassium chlorate, KClO 3 ( s ) . The equation for the

Pavlova-9 [17]

Answer:

Mass of $O_2$ produced = 32 g

Explanation:

Calculation of the moles of $KClO_3$ as:-

Mass = 82.4 g

Molar mass of $KClO_3$ = 122.55 g/mol

The formula for the calculation of moles is shown below:

$moles = \frac{Mass\ taken}{Molar\ mass}$

Thus,

$Moles= \frac{82.4\ g}{122.55\ g/mol}$

$Moles= 0.67237\ mol$

From the reaction shown below:-

$2KClO_3\rightarrow 2KCl+3O_2$

2 moles of potassium chlorate on reaction forms 3 moles of oxygen gas

So,

0.67237 moles of potassium chlorate on reaction forms $\frac{3}{2}\times 0.67237$ moles of oxygen gas

Moles of oxygen gas = 1 mole

Molar mass of oxygen gas = 32 g/mol

<u>Mass of $O_2$ produced = 32 g</u>

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3 years ago

why dont trees spontaneously catch on fire and burn all the time ? why dont fires stop immediately as soon as they start ?

Kamila [148]

Answer:

the fires keep on going

Explanation:

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2 years ago