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Fiesta28 [93]
3 years ago
7

How can human behaviors affect our natural resources?

Chemistry
1 answer:
tekilochka [14]3 years ago
8 0
The need for humans in society to expand and grow can deplete our natural resources such as deforestation and using a fossil fuels
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Write the balanced COMPLETE ionic equation for the reaction when
Vera_Pavlovna [14]

Answer:

Ba²⁺(aq) + 2 NO₃⁻(aq) + 2 Rb⁺(aq) + 2 OH⁻(aq) = Ba(OH)₂(s) + 2 Rb⁺(aq) + 2NO₃⁻(aq)

Explanation:

Let's consider the molecular equation between barium nitrate and rubidium hydroxide to produce barium hydroxide and rubidium nitrate.

Ba(NO₃)₂(aq) + 2 RbOH(aq) = Ba(OH)₂(s) + 2 RbNO₃(aq)

The complete ionic equation includes all the ions and the molecular species.

Ba²⁺(aq) + 2 NO₃⁻(aq) + 2 Rb⁺(aq) + 2 OH⁻(aq) = Ba(OH)₂(s) + 2 Rb⁺(aq) + 2NO₃⁻(aq)

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3 years ago
How many mole of chlorine gas react with 0.100 mol of metal iron?<br> Fe+Cl2-&gt; FeCl2
satela [25.4K]
                       2 mol Cl
.100 mol Fe  x ------------- = .05 mol Cl
                        1 mol Fe 
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if 2 grams of element x combine with 4 grams of element y to form compound xy how many grams of element y would combine with 34
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Question 2<br> How many significant figures does the number have?<br> 23.0702
Pavlova-9 [17]
The number 23.0702 has 6 significant figures.

To answer this, you must have the rules for significant figures,

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4. Trailing zeros are ONLY significant if the number has a decimal point

The number 23.0702 has 4 non-zero numbers(rule 1), and both zeros are between two non-zero digits(rule 2). Since all 6 figures in the number 23.0702 are significant, the number 23.0702 has 6 significant figures.
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4 years ago
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