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garri49 [273]
3 years ago
15

This is the star at the center of the solar system around which the earth and other matter orbit

Chemistry
1 answer:
Fynjy0 [20]3 years ago
8 0

The answer is the Sun.

Thank you

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Which of the following reactions would result in the formation of a gaseous product?
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The third reaction will form a gaseous product, CO₂
KHCO₃ + HBr → KBr + H₂O + CO₂
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2 years ago
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What is the molarity of 122.5 g of AlCl3 in 1.0 L of solution? (MM = 133 g/mol)
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Answer: Molarity is defined as moles of solute per liter of solution. So, find the moles of solute and divide by the liters of solution.
molar mass AlCl3 = 133g/mole
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Explain: I looked it up on wyzant.com
4 0
3 years ago
Describe an experiment for the preparation and collection of Oxygen sodium peroxide​
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Answer:

Making oxygen

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Apparatus arranged to measure the volume of gas in a reaction. Reaction mixture is in a flask and gas travels out through a pipe in the top and down into a trough of water. It then bubbles up through a beehive shelf into an upturned glass jar filled with water. The gas collects at the top of the jar, forcing water out into the trough below.

To make oxygen in the laboratory, hydrogen peroxide is poured into a conical flask containing some manganese(IV) oxide. The gas produced is collected in an upside-down gas jar filled with water. As the oxygen collects in the top of the gas jar, it pushes the water out.

Instead of the gas jar and water bath, a gas syringe could be used to collect the oxygen.

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yes

Explanation:

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