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Bumek [7]
3 years ago
11

What are the two types of reinforcers?

SAT
1 answer:
LiRa [457]3 years ago
7 0

Answer:

There are two types of reinforcement, known as positive reinforcement and negative reinforcement; positive is where by a reward is offered on expression of the wanted behavior and negative is taking away an undesirable element in the persons environment whenever the desired behavior is achieved.

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.

Learn more about empirical formula:

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3 0
2 years ago
Some of the orders were sent to incorrect addresses.
densk [106]

Answer:

watch on the box to see if it have a number on it and call the number to return the box

6 0
2 years ago
Hurry Please, I really need help. Its due today!!
ikadub [295]
The 32 ounce box because it’s cheaper per ounce
3 0
3 years ago
What did President Reagan’s new approach to the Cold War reveal about his foreign-policy strategy? He thought that aggressive mi
choli [55]

President Reagan’s new approach to the Cold War reveal about his foreign-policy strategy is:

  • <u>C. He wanted to work for peace from a position of military strength. </u>

<u />

The Cold War was a period in history between the United States and Russia (then known as the Soviet Union) where there were conflicts which led to trade embargoes, diplomatic issues and threats of war.

The two leaders of America and the Soviet Union respectively, President Reagan and Comrade Gorbachev were engaged in war of words and President Reagan tried to make peace and evoid conflict, even though the United States were stronger from a military perspective

Therefore, the correct answer is option C

Read more here:

brainly.com/question/3571607

7 0
2 years ago
A person has parents with high cholesterol. how will this impact the person's risk of developing a blood disease? brainly
ollegr [7]

Answer:

The person will have a higher risk for atherosclerosis regardless of his current or past lifestyle choices.

Explanation:

i took the test got it right

4 0
2 years ago
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