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Gala2k [10]
3 years ago
7

Are the noble gases considered inert or reactive? Why?

Chemistry
1 answer:
mr Goodwill [35]3 years ago
8 0

Answer:

Noble gases are considered as Inert because they are unreactive.

Explanation:

Seven noble elments are known to us , they are: helium, neon, argon, krypton, xenon, radon, and oganesson. Noble gases have 8 electrons in their outermost shell and hence their valence shell is complete, they donot need further electrons to complete their octet so they are unreactive. Also they posses following properties.

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When the metal was placed in the calorimeter its
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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.

Explanation:

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2 years ago
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Explain the three laws of chemical reaction in detain gilling examples​
kotykmax [81]

Answer:

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A chemical compound is always found to be made up of the same elements combined together in the same fixed proportion by mass.

potassium and chlorine gas ---> chloride.

Hope this helps, have a good day.✌

8 0
2 years ago
Choose the correct mole ratio for the balanced equation below.<br><br> Ca + 2H2O → Ca(OH)2 + H2
Cerrena [4.2K]

Answer: For every one mole of Ca used in this reaction, two mols of H20 are used, one mole of Ca(OH)2 is formed, and one mole of H2 is formed.

Explanation: Once the equation is balanced, you can get the ratio from the coefficients. If you are looking at the ratio of Ca to H2O, the ratio is 1:2; Ca to H2 1:1.

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Saccharin (C7H5NO3S) is sometimes dispensed in tablet form. Ten tablets with total mass of 0.5795 g were dissolved in water. The
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0.4575 g of saccharine is present in the ten tablets of saccharine dissolved in water.

From the information in the question, the sulfur in saccharin (C7H5NO3S) was completely converted to sulfate ion (SO4^2-). This ion was now reacted with excess  barium chloride to form barium sulfate BaSO4. This later reaction occurs as follows;

SO4^2-(aq) + Ba^2+(aq) --------> BaSO4(s)

Number of moles of BaSO4 obtained = 0.5240 g/233 g/mol

= 0.0025 moles

Since the reaction is 1:1, 0.0025 moles of sulfate ions from saccharine reacted.

Molar mass of saccharine = 7(12) + 5(1) + 14 + 3(16) + 32

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Learn more: brainly.com/question/1527403

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