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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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Two examples of colloids
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{\huge {\mathfrak {\orange {Answer :-}}}}

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4 years ago
A 1.000 g sample of an unknown hydrate of cobalt chloride is gently dehydrated. The resulting mass is 0.546 g. The cobalt is iso
ira [324]

Answer:

Explanation:

From the 1 g sample you have:

0.546 grams of cobalt chloride

1-0.546=0.454 grams of water

Now:

1) The salt

Of the 0.546 g, 0.248 g are cobalt (Mr=58.9) and the rest id Cl (Mr=35.45):

n_{Co}=\frac{0.248 g}{58.9 g/mol}=4.21*10^{-3}mol

n_{Cl}=\frac{0.298 g}{35.45g/mol}=8.4*10^{-3}mol

Dividing:

\frac{n_{Cl}}{n_{Co}}=\frac{8.4*10^{-3}mol}{4.21*10^{-3}mol}=2

So the molecular formula will be:

CoCl_2

2) The water

The water's molecular weight is M=18 :

n_{w}=\frac{0.454g}{18g/mol}=0.025 mol

Bonding with the Co:

\frac{n_{w}}{n_{Co}}=\frac{0.025mol}{4.21*10^{-3}mol}=6

The complete formula of the hydrate:

CoCl_2*6 H_2O

8 0
4 years ago
Please answer this percent yield question.
Sveta_85 [38]

Answer:

Percent yield = 82.5

Explanation:

Given data:

Actual yield of N₂ = 275 L

Theoretical yield = 333 L

Percent yield = ?

Solution:

Chemical equation:

4HCl + 6NO    →     5N₂ + 6H₂O

Percent yield:

Percent yield = actual yield / theoretical yield × 100

Percent yield = (275 L/ 333 L ) × 100

Percent yield = 0.825× 100

Percent yield = 82.5%

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3 years ago
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Answer:

yes

Explanation:

oak trees don't have vertebrates

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