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3 years ago

Choose all the answers that apply.

Chemistry

1 answer:

AnnZ [28]3 years ago

8 0

Answer:

accepting your faults

seeing exercise as a treat

looking at your ultimate goal

Explanation:

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Which component of the dri reflects the requirement of a nutrient for 50 percent of healthy americans and canadians in a specifi

grandymaker [24]

The component of the dri reflects the requirement of a nutrient for 50 percent of healthy americans and canadians in a specific life stage and gender is Estimated Average Requirement (EAR).

What is EAR?

A daily food intake number known as the Estimated Average Requirement (EAR) is one that is thought to satisfy the needs of 50% of healthy persons in a given life stage and gender group.

Based on a review of the scientific literature, the estimated average requirements (EAR) are predicted to meet the needs of 50% of the population in that age range.

It serves as the foundation for the creation of RDAs and is employed to assess the sufficiency of nutritional consumption for a given population.

To learn more about EAR click the given link

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6 0

1 year ago

Approximately 1.0g of caffeine will dissolve in 28ml of methylene chloride and in 46ml of water. calculate the distribution coef

suter [353]

<span>K D = 1.0g/ 28 ml 0.0357

-------------- = ---------- = 1.65

1.0 g/46 ml 0.0217

is the distribution coefficient of caffeine in this solvent system</span>

7 0

3 years ago

A chemist working for Udensi industries wants to create a new ink for tattoos and cosmetics. Determine the theoretical yield of

leva [86]

Answer:

35.36 g

Explanation:

We'll begin by writing the balanced equation for the reaction. This is illustrated below:

8Fe + S₈ —> 8FeS

Next, we shall determine the mass of Fe that reacted and the mass of FeS produced from the balanced equation. This can be obtained as follow:

Molar mass of Fe = 56 g/mol

Mass of Fe from the balanced equation = 8 × 56 = 448 g

Molar mass of FeS = 56 + 32 = 88 g/mol

Mass of FeS from the balanced equation = 8 × 88 = 704 g

SUMMARY:

From the balanced equation above,

448 g of Fe reacted to produce 704 g of FeS.

Finally, we shall determine the theoretical yield of FeS as follow:

From the balanced equation above,

448 g of Fe reacted to produce 704 g of FeS.

Therefore, 22.5 g of Fe will react to produce = (22.5 × 704)/448 = 35.36 g of FeS.

Thus, the theoretical yield of FeS is 35.36 g

3 0

3 years ago

Mixture's and solutions

Anastaziya [24]

Mixtures and solutions... what?

8 0

3 years ago

What are the physical properties of chlorine?<br>

Sonbull [250]

Answer:

The Physical Properties of Chlorine are as follows:

Color: Greenish-yellow.

Phase: Gas.

Odor: Disagreeable, suffocating smell.

Density: About two and one-half times as dense as air.

Solubility: Is soluble in water. ...

Boiling Point: The boiling point of chlorine is –34.05°C.

Melting Point: The melting point is –101°C.

Explanation:

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7 0

3 years ago