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lidiya [134]
3 years ago
7

Write 2 different scenarios of how livestock animals provide a service. (Example – Zoe the

Chemistry
1 answer:
Anon25 [30]3 years ago
6 0

Answer:

Interacting with animals has been shown to decrease levels of cortisol (a stress-related hormone) and lower blood pressure. Other studies have found that animals can reduce loneliness, increase feelings of social support, and boost your mood.

Explanation:

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How many atoms are in 0.85 moles of Platinum?
Fofino [41]

Answer is in the photo. I can only upload it to a file hosting service. link below!

tinyurl.com/wpazsebu

3 0
3 years ago
How can you help your muscles stay healthy?<br> No links, If right I will mark Brainliest.
timofeeve [1]

Explanation:

Keeping your muscles healthy will help you to be able to walk, run, jump, lift things, play sports, and do all the other things you love to do. Exercising, getting enough rest, and eating a balanced diet will help to keep your muscles healthy for life.

8 0
3 years ago
Read 2 more answers
What is the total number of moles of O2(g) that must react completely with 5.00 moles of C4H10(g)?
Naddika [18.5K]

Answer:

32.5 moles of O2(g) are necessaries for a complete reaction

Explanation:

Based on the reaction of combustion of C4H10(g):

C4H10(g) + 13/2 O2(g) → 4CO2(g) + 5H2O(g)

<em>1 mole of C4H10 needs 13/2 moles O2 for a complete reaction.</em>

<em />

That means, the moles of O2 required for a reaction of 5.00 moles of C4H10 are:

5.00 moles C4H10 * (13/2mol O2 / 1mol C4H10) =

32.5 moles of O2(g) are necessaries for a complete reaction

4 0
3 years ago
What is the percentage composition of each element in carbon dioxide, CO2? Remember percent composition is based on mass. (Show
Phantasy [73]

%C = 27.3%

%O=72.7%

<h3>Further explanation </h3>

Proust states the Comparative Law that compounds are formed from elements with the same Mass Comparison, so that compounds have a fixed composition of elements

The empirical formula is the mole ratio of compounds forming elements.

MW CO₂ : 44 g/mol

Ar C = 12 g/mol

Ar O = 16

  • %C

\tt \dfrac{12}{44}\times 100\%=27.3\%

  • %O

\tt \dfrac{2.16}{44}\times 100\%=72.7\%

4 0
3 years ago
Which of the following substances could the unknown be: KOH, NH3, HNO3, KClO2, H3PO3, CH3COCH3 (acetone)?
valkas [14]

Answer:

CH3COCH3

Explanation:

Acetone is an organic compound belonging to the organic ketone function.

To recognize which function a compound belongs to, we must analyze its functional group. For example, hydroxyl (OH) is characteristic of alcohols. For ketones, the functional group is carbonyl, which is represented below.

Analyzing the options, we can notice that NH3, HNO3, KClO2 and H3PO3 are inorganic compunds, because they don't have carbon in their structures. KOH has the hydroxyl, so it's a alchol, and CH3COCH3 may be writing as a ketone.

6 0
3 years ago
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