3 years ago

Which of the following would the kinetic theory address?

1 answer:

5 0

I think it’s B vibrations in molecules
Explanation: The Kinetic Theory of Matter states that matter is composed of a large number of small particles—individual atoms or molecules—that are in constant motion.

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For the following reaction, identify whether the compound in bold is behaving as an acid or a base.

harina [27]

Answer: acid

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3 years ago

___ Au₂S₃ + ___ H₂ → ___ Au + ___ H₂S

Natalija [7]

Answer:

2Au₂S₃ + 6H₂ → 4Au + 6H₂S

Explanation:

Balancing:

2Au₂S₃ + 6H₂ → 4Au + 6H₂S

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Chemical formula of binary compound a of oxygen acidic<br>

Reika [66]

A binary compound of oxygen with another element is called oxide. An oxide is a binary compound of oxygen and another element. Oxygen combines with metals and non-metals to form respective oxides.

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3 years ago

Suppose that a substance in a beaker is heated over a burner in a science lab. Which observation would most likely indicate that

victus00 [196]

Answer:

Explanation:

the production of an odor would indicate that the heat ignited a chemical reaction

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3 years ago

Read 2 more answers

How many grams of Mg are needed to produce 224 g of MgO in the complete reaction of Mg

zmey [24]

Answer:

134.4 g of Mg

Explanation:

reaction:

2Mg + O2 ➡️ 2MgO

1) find the mol of MgO

mol = mass / molar mass

mass = 224 g

molar mass = 24+16 = 40

mol = 224 / 40

= 5.6 moles

2 mol = 5.6 moles

2) find the mass of Mg

mass = mol × molar mass

mol = 5.6

molar mass = 24

mass = 5.6 × 24

= 134.4 g

7 0

3 years ago