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german
3 years ago
12

Which sequence of events best summarizes how multicellular animals get energy and nutrients for growth, movement, healing, and o

ther activities? O A. Digest food - Use nutrients from food Eat food O B. Use nutrients from sunlight – Make food - Digest food O C. Absorb sunlight Take in inorganic molecules Make food O D. Eat food – Digest food Use nutrients from food​
Chemistry
2 answers:
d1i1m1o1n [39]3 years ago
8 0

Answer:

The correct option is D

Explanation:

Multicellular organisms are organisms with more than one cell (usually having different cells exhibiting specialized functions). Examples of this organisms are mammals. These organisms generally look for food, <u>eat this food, process/metabolize this food in order to derive nutrients from them</u>. From the explanation above, it is clear that the correct option is D.

pashok25 [27]3 years ago
7 0

Answer:

D. ∆pex

this is only being written because I need 20 characters

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Consider the following reversible reaction.
Marina86 [1]

Answer:

B is the correct option

Explanation:

K= the ratio of product of concentration of products to the product of concentration of reactants raised to power equal to their cofficients.

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3 years ago
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hat is the best way to compare a concentrated solution to a dilute solution, given the same volume of solution?
xxMikexx [17]

Answer:

Using the molarity of the solution

Explanation:

The concentration of the two solutions can be compared by the use of the number of moles of solute present in each of the solutions. The solution with a higher molarity will be concentrated while the solution with a lower molarity will be dilute.

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3 years ago
What types of matter<br> can be classified as pure<br> substances?
Anastasy [175]

Answer:

Pure substances can be classified as chemical compounds or elements.

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3 years ago
Calculate the volume (in cm³) of 935 grams of steel. The density of steel is 7.8 g/cm³. Give your answer to 2 decimal places.
Effectus [21]

Answer:

<h2>119.87 cm³</h2>

Explanation:

The volume of a substance when given the density and mass can be found by using the formula

volume =  \frac{mass}{density} \\

From the question we have

volume =  \frac{935}{7.8}  \\  = 119.871794...

We have the final answer as

<h3>119.87 cm³ to two decimal places</h3>

Hope this helps you

7 0
3 years ago
Calculate the number of milliliters of 0.440 M KOH required to precipitate all of the Fe2+ ions in 187 mL of 0.692 M FeSO4 solut
EleoNora [17]

Answer:

588.2 mL

Explanation:

  • FeSO₄(aq) + 2KOH(aq) → Fe(OH)₂(s) + K₂SO₄(aq)

First we <u>calculate how many Fe⁺² moles reacted</u>, using the given <em>concentration and volume of FeSO₄ solution</em> (the number of FeSO₄ moles is equal to the number of Fe⁺² moles):

  • moles = molarity * volume
  • 187 mL * 0.692 M = 129.404 mmol Fe⁺²

Then we convert Fe⁺² moles to KOH moles, using the stoichiometric ratios:

  • 129.404 mmol Fe⁺² * \frac{2mmolKOH}{1mmolFeSO_4} = 258.808 mmol KOH

Finally we<u> calculate the required volume of KOH solution</u>, using <em>the given concentration and the calculated moles</em>:

  • volume = moles / molarity
  • 258.808 mmol KOH / 0.440 M = 588.2 mL
6 0
3 years ago
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