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Mariulka [41]
3 years ago
15

Gina made a poster for plastic recycling week and included this information on her poster: What corrections should Gina make? Ch

eck all that apply. Gina should put “cellulose” under “Synthetic.” Gina should put “plastic” under “Natural.” Gina should put “rubber tires” under “Synthetic.” Gina should put “starch” under “Natural.” Gina should put “DNA” under “Synthetic.” Gina should put “nylon” under “Natural.”
Chemistry
2 answers:
babymother [125]3 years ago
7 0

Answer:

C and D

Hope I could help <3

Basile [38]3 years ago
3 0
Gina should put “rubber tires” under “Synthetic.”<span>Gina should put “starch” under “Natural.”</span>
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Using the balanced equation for the combustion of ethane: 2C2H6 + 7O2 → 4CO2 + 6H2O, how many moles of O2 needed to produce 12 m
pickupchik [31]

Answer:

14 moles of oxygen needed to produce 12 moles of H2O.

Explanation:

We are given that balance eqaution

2C_2H_6+7O_2\rightarrow 4CO_2+6H_2O

We have to find number of moles of O2 needed  to produce 12 moles of H2O.

From given equation

We can see that

6 moles of   H2O produced by Oxygen =7 moles

1 mole of   H2O produced by Oxygen=\frac{7}{6}moles

12 moles of H2O produced by Oxygen=\frac{7}{6}\times 12moles

12 moles of H2O produced by Oxygen=7\times 2moles

12 moles of H2O produced by Oxygen=14 moles

Hence, 14 moles of oxygen needed to produce 12 moles of H2O.

3 0
3 years ago
Why are you so much older on Mercury?
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Answer:As you can see from the very different numbers in the boxes above, your age changes (sometimes quite a lot) ... Mercury is the closest planet to the Sun and so has a smaller orbit path – it takes just 88 Earth days

Explanation:

4 0
3 years ago
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The wavelength of a light wave can be used to measure which of the following
Tema [17]
Wavelength is the distance between crests of the wave.
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Make the equation equal<br> Fe(NO3)3+KSCN —&gt; Fe(SCN)3 + K(NO3)3
Advocard [28]

Answer:

Fe(NO₃)₃ + 3KSCN  →   Fe(SCN)₃ + 3KNO₃

Explanation:

Chemical equation:

Fe(NO₃)₃ + KSCN  →   Fe(SCN)₃ + KNO₃

Balanced Chemical equation:

Fe(NO₃)₃ + 3KSCN  →   Fe(SCN)₃ + 3KNO₃

Type of reaction:

It is double displacement reaction.

In this reaction the anion or cation of both reactants exchange with each other. In given reaction the cation Fe⁺³ exchange with cation K⁺.

The given reaction equation is balanced so there are equal number of atoms of each elements are present on both side of equation and completely hold the law of conservation of mass.

Double replacement:

It is the reaction in which two compound exchange their ions and form new compounds.

AB + CD → AC +BD

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The Earth’s circumference around the equator is slightly bulged as compared to the circumference around the poles. If the circum
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Answer: 48.123 Mm

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