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Andrei [34K]
2 years ago
15

What is the difference between ethanol and methanol.

Chemistry
1 answer:
KiRa [710]2 years ago
7 0
Methanol and ethanol are alcohol variants. Methanol contains only one carbon and ethanol contains two carbon in each molecule. Both substances can be used as energy sources, but methanol primarily serves as a research subject, and its use as a motor fuel has been mostly phased out in the United States.
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Hanna hypothesizes that granite is denser than sandstone. How can Hanna test her hypothesis?
kherson [118]
To test if the hypothesis is correct, a good way is to think of it this way:
Density = mass/volume, right?
Calculate the mass and volume of each and do the equation; this will test your hypothesis.
You will be left with the density of each. But, make sure that the sample sizes are the same (controlled variable) otherwise it will be an unfair test. 

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3 years ago
What is the voltage of a circuit in a toaster with 12.0 amps of current and 8.0 ohms of resistance?
3241004551 [841]
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3 0
2 years ago
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What are 2 examples of stress the science meaning
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4 0
3 years ago
What volume of carbon dioxide (CO2) will be produced if 2.90 moles of it on (Fe) is produced?
dolphi86 [110]

Answer:

= 97.44 Liters at S.T.P

Explanation:

The reaction between Iron (iii) oxide and Carbon monoxide is given by the equation;

Fe2O3(s)+ 3CO(g) → 3CO2(g) + 2Fe(s)

From the reaction when the reactants react, 2 moles of Fe and 3 moles of CO2 are produced.

Therefore; Mole ratio of Iron : Carbon dioxide is 2:3

Thus; Moles of Carbon dioxide = (2.9/2)×3

                                                   = 4.35 moles

But; 1 mole of CO2 at s.t.p occupies 22.4 liters

Therefore;

Mass of CO2 = 22.4 × 4.35 Moles

                     = 97.44 L

6 0
3 years ago
Thyroid hormone contains the mineral thyroid hormone contains the ________.
erica [24]

Thyroid hormone contains the mineral iodine (option I). Details about thyroid hormone can be found below.

<h3>What is the thyroid hormone?</h3>

Thyroid hormone is the hormone produced by the thyroid gland of the body, which is a large butterfly-shaped endocrine gland situated on the front of the neck that produces various hormones.

The thyroid hormone is responsible for regulating metabolism, which controls the amount of calories burnt in a day.

One of the major minerals found in the thyroid is iodine. The thyroid gland absorbs iodine from the bloodstream, and then stores it to aid in the production of thyroid hormones.

Therefore, the thyroid hormone contains the mineral iodine.

Learn more about thyroid at: brainly.com/question/13856314

#SPJ1

8 0
1 year ago
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