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Ad libitum [116K]
3 years ago
5

What is the correct value for Avogadro's number?

Chemistry
1 answer:
nydimaria [60]3 years ago
8 0

Answer: Option A. 6.022 x 10^23

Explanation:

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identify the postulate of Dalton's theory that is violated by the following observations: 59.95% of one sample of titanium dioxi
Inga [223]

<u>Answer:</u> This violates the law of constant composition.

<u>Explanation:</u>

Dalton's theory is based on mainly two laws, which are law of conservation of mass and law of constant composition.

Law of constant composition states that a compound always contain the elements in the fixed ratio by their masses.

For Example: In water (H_2O), the hydrogen and oxygen are present in the fixed ratio of 1 : 9 by their mass.

We are given:

A sample of titanium dioxide having 59.95 % of titanium and another sample of titanium dioxide having 60.10 % of titanium.

As, the compound is titanium dioxide. So, the mass percent of titanium must remain the same in both the elements.

Hence, this violates the law of constant composition.

8 0
4 years ago
g Consider the reaction when aqueous solutions of potassium hydroxide and ammonium bromide are combined. The net ionic equation
vichka [17]

Answer:

K^+(aq) + Br^-(aq) -----> KBr(aq)

Explanation:

The net ionic equation shows the actual reaction that occurs in the system. The molecular reaction equation includes the spectator ions but the net ionic equation does not include the spectator ions.

Spectator ions do not participate in the main reaction going on in the system.

Hence, for the reaction of potassium hydroxide and ammonium bromide, we have;

K^+(aq) + Br^-(aq) -----> KBr(aq)

8 0
4 years ago
Do different types of atoms exist inconsistent
GalinKa [24]
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3 years ago
Which of the following represents a chemical change. A water to boiled
horsena [70]
Hello,

Here is your answer:

The proper answer to this question is option D "wood is burned". Its a chemical change because its changing forms wood to ash.

Your answer is D.

If you need anymore help feel free to ask me!

Hope this helps!
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3 years ago
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This doesn’t seem like the full question
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