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VladimirAG [237]
3 years ago
9

A reaction which forms a gaseous product is an example of a(n)_______

Chemistry
1 answer:
pshichka [43]3 years ago
3 0
Gas evolution reaction.
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Which property of sodium is not typical of a metal
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Answer:

It's a soft metal, reactive and with a low melting point, with a relative density of 0,97 at 20ºC (68ºF)

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Write the correct chemical formula for the following:
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I believe its

A. AlF

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C.HBr


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An asteroid hit the Yucatán Peninsula about 65 million years ago,
Morgarella [4.7K]

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C. It blocked out sunlight

Explanation:

The asteroid impact 65 million years ago was devastating for lot of the animals and plants, resulting in a mass extinction, most noticeably of the dinosaurs. The impact itself killed a lot of flora and fauna, but it was the effect afterward that was crucial. From this impact, there was so much debris propelled into the atmosphere that the sunlight got blocked. Once this happened, most of the plants died out as they were not able to perform photosynthesis. Because the plants were dying out, the herbivores were left without food, so soon they followed, and because the herbivores died out, the predators died out to because they were left without food. The winners turned out to be the small and not specialized plants and animals.

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3 years ago
Is the sweetened iced tea an electrolyte mixture?
Arada [10]

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3 0
2 years ago
Read 2 more answers
What mass in grams of SO2 is needed to react with 37.50 mol of Oz?
-BARSIC- [3]

Answer:

4804.5 g of SO₂ are needed to the reaction

Explanation:

The reaction to produce sulfuric acid is:

2SO₂ + O₂ + 2H₂O →  2H₂SO₄

Ratio is 1:2. 1 mol of oxygen needs 2 moles of sulfur dioxide in order to react. We can propose this rule of three.

If 1 mol of O₂ react to 2 moles of SO₂

Then, 37.50 moles of O₂ will react with (37.5 . 2) /1 = 75 moles of SO₂

We convert the moles to mass, to know the answer:

75 mol . 64.06 g / 1 mol = 4804.5 g of SO₂

6 0
3 years ago
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