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2 years ago

A nuclear power plant, a hydroelectric dam, a coal burning power plant have what in common?.

SAT

1 answer:

Agata [3.3K]2 years ago

6 0

Answer:

Many other power plants like coal-fired power plants have cooling towers or these large bodies of water as well. This similarity exists because the process of turning heat into electricity is almost identical between nuclear power plants and coal-fired power plants.

Explanation:

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Determine the empirical formula of a compound containing 47. 37 grams of carbon, 10. 59 grams of hydrogen, and 42. 04 grams of o

Effectus [21]

Considering the definition of empirical formula, the empirical formula is C₃H₈O₂ and the molecular formula is C₉H₂₄O₆.

<h3>Definition of empirical formula</h3>

The empirical formula is the simplest expression to represent a chemical compound, which indicates the elements that are present and the minimum proportion in whole numbers that exist between its atoms, that is, the subscripts of chemical formulas are reduced to the most integers. small as possible.

<h3>Empirical formula in this case</h3>

In this case, you have:

Carbon (C): 47.37 grams
Hydrogen (H): 10.59 grams
Oxygen (O): 42.04 grams

Then it is possible to calculate the number of moles of each atom in the molecule, taking into account the corresponding molar mass:

Carbon (C): $\frac{47.37 grams}{12 \frac{g}{mole} }$ = 3.95 moles
Hydrogen (H): $\frac{10.59 grams}{1 \frac{g}{mole} }$ = 10.59 moles
Oxygen (O): $\frac{42.04 grams}{16 \frac{g}{mole} }$ = 2.63 moles

The empirical formula must be expressed using whole number relationships, for this the numbers of moles are divided by the smallest result of those obtained. In this case:

Carbon (C): $\frac{3.95 moles}{2.63 moles }$ = 1.5
Hydrogen (H): $\frac{10.59 moles}{2.63 moles }$ = 4
Oxygen (O): $\frac{2.63 moles}{2.63 moles }$ = 1

Finally, since in the empirical formula the numbers of moles must be expressed in whole numbers, the ratio of atoms is multiplied by some number with which everything is obtained in simple whole numbers (in this case by 2):

Carbon (C): 1.5× 2= 3
Hydrogen (H): 4× 2= 8
Oxygen (O): 1× 2= 2

Therefore the C: H: O mole ratio is 3: 8: 2

Finally, the empirical formula is C₃H₈O₂.

<h3>Molecular formula</h3>

To obtain the molecular formula you must relate its molecular weight (PMc) with the molecular weight of the empirical formula (PMfe).

PMfe= PM (C₃H₈O₂)= 76 g/mole

The molar mass of the compound (PMc) was determined to be 228.276 g/mol. Dividing this mass PMc by the molar mass of the empirical formula PMfe gives:

228.276 g/mol ÷ 76 g/mole= 3

This means that in the molecular formula there are 3 unit formulas (empirical formulas), so it is necessary to multiply the number of all atoms by 3.

Then, the molecular formula is C₉H₂₄O₆.

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2 years ago

What's the best way to study?

pentagon [3]

1.Take breaks
2.Use keywords to refocus yourself
3.Take good notes in class
4.Rewrite your notes at home
5.And Make things interested
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3 years ago

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Fill in the boxes in the template to identify the nucleotide sequence, from 3′ to 5′, of the trna anticodon that will recognize

Dvinal [7]

The Filled up boxes that identify the nucleotide sequence is given in the image attached.

<h3>How do you get the tRNA anticodon?</h3>

An anticodon is known to be seen at a given end of a transfer RNA (tRNA) molecule. In protein synthesis, when an amino acid is added to the growing protein, a tRNAis said to be produced as the base pairs along with its complementary sequence that is seen on the mRNA strand.

Conclusively, Note that codon is regarded as the a follow up of three nucleotides on mRNA, that encodes for a particular amino acid at translation.

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2 years ago

the price of gas has increased and people are moving away from their old gas guzzlers to more fuel-efficient cars. this is an ex

azamat

The switching from old gas guzzlers to more fuel-efficient cars is an example of substitution effect.

Substitution effect is the switching of customer from a more expensive product to a cheaper product. This is usually because of an increase in price or a decrease in the customers income.

Substitution effect can be positive for consumers if they can continue to by the products they like. Also, this effect can be negative for consumers if it results in fewer choices of that product or products of lower quality.

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3 years ago

Which one of the following actions is more appropriate for dealing with major frustration than with minor frustration

bagirrra123 [75]

I would say minor frustration because it is easy to get rid of it

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3 years ago