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SSSSS [86.1K]
3 years ago
12

HURRY ⚠️ How many Chlorine atoms in 2HCI? Hiw many Hydrogen atoms are in 2HCl?

Chemistry
2 answers:
slega [8]3 years ago
5 0

Answer:

2 in each

Explanation:

tresset_1 [31]3 years ago
5 0
Two in each one true 2 in front acts the same as a subscript except it applies to the whole equation.
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Answer:

Exam 3 Material

Homework Page Without Visible Answers

This page has all of the required homework for the material covered in the third exam of the first semester of General Chemistry. The textbook associated with this homework is CHEMISTRY The Central Science by Brown, LeMay, et.al. The last edition I required students to buy was the 12th edition (CHEMISTRY The Central Science, 12th ed. by Brown, LeMay, Bursten, Murphy and Woodward), but any edition of this text will do for this course.

Note: You are expected to go to the end of chapter problems in your textbook, find similar questions, and work out those problems as well. This is just the required list of problems for quiz purposes. You should also study the Exercises within the chapters. The exercises are worked out examples of the questions at the back of the chapter. The study guide also has worked out examples.

These are bare-bones questions. The textbook questions will have additional information that may be useful and that connects the problems to real life applications, many of them in biology.

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How does carbon dioxide get into the atmosphere?
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By condensation.

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What type of tectonic activity occurs in the San Andreas Fault?
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A student with an unknown code of Q3A conducts a qualitative analysis of her unknown. Her results indicated the formation of a y
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Answer:

Grey precipitate implies the presence of silver ions

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Explanation:

Qualitative analysis provides us a quick method of identifying ions present in a sample by chemical reactions involving simple reagents. Precipitates having a unique colour is formed. The identity of ions in the sample is deduced from the colour of precipitate obtained when particular reagents are added.

In the question, a precipitate containing silver ions upon standing turn into grey colour. Similarly, lead II ions give a yellow precipitate.

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