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Veronika [31]
3 years ago
7

Which of the following choices is an example of gathering evidence

Chemistry
1 answer:
-BARSIC- [3]3 years ago
3 0

Answer: Taking measurements

Explanation:

Apex

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_______ and _______ are located in the nucleus of the atom, while _______ exist in areas of probability around the nucleus.
Reika [66]
The correct answer would be C.
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As a pilot is flying in level flight at 9,500 ft, the altimeter in the instrument panel is set to a pressure of 29.48 mm of Hg.
bearhunter [10]

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from the ideal gas law, P2 /P1 = T2 /T1 for the same volume and quantity of gas. P2 = (758 mmHg) (45 +273 K) / (15 +273K) = 837 mmHg.

Explanation:

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2 years ago
You carefully weigh out 11.00 g of caco3 powder and add it to 44.55 g of hcl solution. you notice bubbles as a reaction takes pl
Zinaida [17]
The bubbles that were observed after the mixing of the two substances is one of the products of the reaction. It is the carbon dioxide that is produced. To determine the mass of this gas produced, we need to remember the Law of conservation of mass where mass cannot be created or destroyed. With this, we can say that the total mass that goes in a process should be equal to the mass that is goes out of the process no matter what the reaction is. We do as follows:

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mass of carbon dioxide = 4.51 g
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3 years ago
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