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3 years ago

_____________ are solvents made from natural sources such as pine and citrus oils.

Chemistry

1 answer:

pshichka [43]3 years ago

8 0

Answer:

Option d = terpenes

Explanation:

Terpenes:

It is unsaturated hydrocarbons extracted from the plants specially from pine and citrus. These are cyclic compound with the formula C₁₀H₁₆.

1. It is used as a solvent for natural products.

2. It is used in food , cosmetics and pharmaceutical industries.

3. It is very effective ingredients for agricultural pesticides.

4. It is used as a fragrance in perfumes.

5. As a flavoring agent it is also added into the beverages products.

6. It is highly concentrated and used in very small amount to create fragrances.

7. Its high concentration can led to the bad flavor and fragrances.

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Elias serves a volleyball at a velocity of 16 m/s. The mass of the volleyball is 0.27 kg. What is the height of the volleyball a

frosja888 [35]

Answer:

2,7 m

Explanation:

You can solve this doing an energy balance:

$m*g*h-\frac{1}{2} *m*v^{2} =41,7[J]$

Solving this equation to get h:

$\frac{41,7- \frac{1}{2} *m*v^{2} }{m*g}=h$

Replacing the values and solving brings to 2,7 m

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3 years ago

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A ____ is the remains of a once-living organism found in layers of rocks, ice, or amber

aksik [14]

Answer:

fossil

Explanation:

the dead organism is called a fossil i think

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3 years ago

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A 24.00 mL sample of a solution of Pb(ClO3)2 was diluted with water to 52.00 mL. A 17.00 mL sample of the dilute solution was fo

lara [203]

Answer:

0.238 M

Explanation:

A 17.00 mL sample of the dilute solution was found to contain 0.220 M ClO₃⁻(aq). The concentration is an intensive property, so the concentration in the 52.00 mL is also 0.220 M ClO₃⁻(aq). We can find the initial concentration of ClO₃⁻ using the dilution rule.

C₁.V₁ = C₂.V₂

C₁ × 24.00 mL = 0.220 M × 52.00 mL

C₁ = 0.477 M

The concentration of Pb(ClO₃)₂ is:

$\frac{0.477molClO_{3}^{-} }{L} \times \frac{1molPb(ClO_{3})_{2}}{2molClO_{3}^{-}} =0.238M$

6 0

3 years ago

20 pts. I am making holiday cookies and the recipe says that it will make 48 cookies. After eating some raw cookie dough I bake

Nikitich [7]

Check the attached file for the answer.

5 0

3 years ago

Use the data set to answer the question.

andrezito [222]

Answer:

It is both accurate and precise.

Explanation:

Precision and accuracy are two different terms used to describe data or measurements. Accuracy refers to how close a set of measurements/experimental values is to an accepted or correct value while Precision refers to how close a series of experimental values are to one another.

In the given set of data in the question below, the Correct Value is 59.2 while the experimental values are as follows;

Trial 1: 58.7

Trial 2: 59.3

Trial 3: 60.0

Trial 4: 58.9

Trial 5: 59.2

Based on comparison, it can be observed that these experimental values are close to the correct value (59.2). Hence, they are said to be ACCURATE. Also, the experimental values are close to one another, hence, they are said to be PRECISE.

Therefore, the data set is both accurate and precise.

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3 years ago