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Korolek [52]
3 years ago
9

Last year, Kylee moved to a new town, got hooked on heroin, and had some medical scares that made her realize she wants to quit

her substance abuse for good. Her parents have offered to help financially, but they're upset with things that she's done and said they don't want to see her again until she's been clean for at least one year. What is the best treatment option for Kylee?
A. A residential program that removes her from her current living situation, followed up with support groups to offer accountability

B. An outpatient program that allows her to continue with her current living and work situation without much disruption

C. A residential program that runs for two full weeks, followed by monthly check-ins after she returns to her current living situation

D. An outpatient program that she can complete while living at her parents' home to receive a balance of medical and family support
Chemistry
2 answers:
kherson [118]3 years ago
8 0
<span>Kylee will have the best treatment of a residential program that removes her from her current living situation, followed up with support groups to offer accountability. She want to change but her parents are mad at her that they wanted her to be clean at least 1 year. A residential program will help her and other people, who are in the same situation, to change themselves and they will get support from the organizers of the program. </span>
rosijanka [135]3 years ago
7 0

Answer:

Answer is A

A residential program that removes her from her current living situation, followed up with support groups to offer accountability

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What mass, in grams, of CO2 and H2O<br> is formed from 2.55 mol of propane?
oksian1 [2.3K]

Answer:

336.6 grams of CO₂ and 183.6 grams of H₂O are formed from 2.55 moles of propane.

Explanation:

In this case, the balanced reaction is:

C₃H₈ + 5 O₂ → 3 CO₂ + 4 H₂O

By stoichiometry of the reaction (that is, the relationship between the amount of reagents and products in a chemical reaction), the following amounts of reactant and product participate in the reaction:

  • C₃H₈: 1 mole
  • O₂: 5 moles
  • CO₂: 3 moles
  • H₂O: 4 moles

Being the molar mass of each compound:

  • C₃H₈: 44 g/mole
  • O₂: 16 g/mole
  • CO₂: 44 g/mole
  • H₂O: 18 g/mole

Then, by stoichiometry, the following quantities of mass participate in the reaction:

  • C₃H₈: 1 mole* 44 g/mole= 44 grams
  • O₂: 5 moles* 16 g/mole= 80 grams
  • CO₂: 3 moles* 44 g/mole= 132 grams
  • H₂O: 4 moles* 18 g/mole= 72 grams

So you can apply the following rules of three:

  • If by stoichiometry 1 mole of C₃H₈ forms 132 grams of CO₂, 2.55 moles of C₃H₈ how much mass of CO₂ will it form?

mass of CO_{2} =\frac{2.55 moles of C_{3} H_{8}*132 gramsof CO_{2} }{ 1 mole of C_{3} H_{8}}

mass of CO₂= 336.6 grams

  • If by stoichiometry 1 mole of C₃H₈ forms 72 grams of H₂O, 2.55 moles of C₃H₈ how much mass of H₂O will it form?

mass of H_{2}O =\frac{2.55 moles of C_{3} H_{8}*72 gramsof H_{2}O }{ 1 mole of C_{3} H_{8}}

mass of H₂O= 183.6 grams

<u><em>336.6 grams of CO₂ and 183.6 grams of H₂O are formed from 2.55 moles of propane.</em></u>

3 0
3 years ago
What is the empirical formula for a compound which contains 67.1 zinc and the rest is oxygen
wolverine [178]

Answer:

The empirical formula is ZnO2

Explanation:

What is the empirical formula for a compound which contains 67.1% zinc and the rest is oxygen?

Step 1: Data given

Suppose the compound has a mass of 100.0 grams

A compound contains:

67.1 % Zinc  = 67.1 grams

100 - 67.1 = 32.9 % oxygen  = 32.9 grams

Molar mass of Zinc = 65.38 g/mol

Molar mass of O = 16 g/mol

Step 2: Calculate moles of Zinc

Suppose the compound is 100 grams

Moles Zn = 67. 10 grams / 65.38 g/mol

Moles Zn = 1.026 moles

Step 3: Calculate moles of O

Moles O = 32.90 grams / 16.00 g/mol

Moles O = 2.056 moles

Step 4: Calculate mol ratio

We divide by the smallest amount of moles

Zn: 1.026/1.026 = 1

O: 2.056/1.026 = 2

The empirical formula is ZnO2

To control this we can calculate the % Zinc for 1 mol

65.38 / (65.38+2*16) = 0.67.1 = 67.2 %

7 0
3 years ago
What are the 4 kingdoms listed in the Eukarya Domain? List all 4 Kingdoms
stellarik [79]

Answer:

protista, fungi, plant, animal

Explanation:

this is the answer

4 0
3 years ago
What is the correct measure of density
Darya [45]
Dividing the mass by the volume.
4 0
3 years ago
Read 2 more answers
Which metal is most likely to form more than one kind of positively charged ion?
nataly862011 [7]
C. Nickel, hope this helps!
4 0
3 years ago
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