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german
2 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]2 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]2 years ago
7 0

Answer:

D. ∆pex

this is only being written because I need 20 characters

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The service rating of passengers car and commercial automotive motor oils
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3 years ago
Molecule contains carbon, hydrogen and sulfur atoms. When a sample of 0.535g of this compound is burnt in oxygen, 1.119 g of CO2
OLga [1]

Answer:

The empirical formula is, C4H4S

Explanation:

Number of moles of carbon = 1.119 g/ 44g/mol = 0.025 moles

Mass of Carbon= 0.025 moles × 12 g/ mole = 0.3 g

Number of moles of hydrogen = 0.229/18g/mol × 2 = 0.025 moles

Mass of hydrogen = 0.025 moles × 1 = 0.025 g

Number of moles of sulphur = 0.407g/ 64 g/mol = 0.0064 moles

Mass of sulphur= 0.0064 moles ×32 = 0.2 g

Now we obtain the mole ratios by dividing through by the lowest ratio.

C- 0.025 moles/ 0.0064 moles, H- 0.025 moles/ 0.0064 moles, S- 0.0064 moles/0.0064 moles

C4H4S

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3 years ago
Pharmacy technician measures the mass of a pill. The mass of one pill is
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The mass of 100 pills would be 78000 mg and 0.078 kilograms.

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3 years ago
Read 2 more answers
A solid powder is known to be a mixture of NaCl and Na2CO3, but the relative amounts of each compound in the sample are unknown.
AveGali [126]

Answer:

Concentration of sodium carbonate in the solution before the addition of HCl is 0.004881 mol/L.

Explanation:

Na_2CO_3(aq) +2 HCl(aq)\rightarrow 2NaCl(aq) + H_2O(l)+CO_2(g)

Molarity of HCl solution = 0.1174 M

Volume of HCl solution = 83.15 mL = 0.08315 L

Moles of HCl = n

molarity=\frac{moles}{Volume (L)}

0.1174 M=\frac{n}{0.08315 L}

n=0.1174 M\times 0.08315 L=0.009762 mol

According to reaction , 2 moles of HCl reacts with 1 mole of sodium carbonate.

Then 0.009762 mol of HCl will recat with:

\frac{1}{2}\times 0.009762 mol=0.004881 mol

Moles of Sodium carbonate = 0.004881 mol

Volume of the sodium carbonate containing solution taken = 1L

Concentration of sodium carbonate in the solution before the addition of HCl:

[Na_2CO_3]=\frac{0.004881 mol}{1 L}=0.004881 mol/L

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3 years ago
How many grams of water are produced if 33.0 grams of N20 is produced?
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