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erik [133]
3 years ago
11

David's body breaks down the sandwich into small enough molecules that can be absorbed through his intestinal lining and then in

to his . His body breaks down the carbohydrates in the bread into , the proteins into , and the fats.
Chemistry
2 answers:
xxMikexx [17]3 years ago
6 0
1. Then into his Bloodstream.
2. Carbohydrates into Sugars.
3. Proteins into Aminoacids.
4. Fats into Glycerol.
viva [34]3 years ago
4 0

break down food into smaller molecules the body can use; absorb molecules into blood and carry them throughout the body; eliminate wastes from the body

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g Select the correct statements. I. Reduction is the loss of electrons, and oxidation is the gain of electrons II. Reduction is
Makovka662 [10]

Answer:

These are the correct ones:

- Reduction is the gain of electrons, and oxidation is the loss of electrons

- The reactant that is oxidized is also called the reducing agent, and the reactant that is reduced is called the oxidizing agent.

Explanation:

The oxidant is reduced because it picks up electrons to oxidize another substance, while the reducing agent oxidizes because it loses electrons to be able to reduce another substance.

The sum of all the oxidation numbers in a compound is ALWAYS 0.

3 0
3 years ago
Covalent network solids typically have melting points and boiling points. The chemical formula of a network solid indicates in t
Rina8888 [55]

Covalent network solids typically have high melting points and boiling points.

The chemical formula of a network solid indicates in the molecule by a a formula unit.

Covalent-network solid is a chemical compound (or element) in which the atoms are bonded by covalent bonds in a continuous network extending throughout the material.  

For example, SiO₂ is a covalent-network solid.

Silicon Dioxide has a high melting point, around 1700°C.

Silicon(IV) oxide has continuous three-dimensional network of SiO₂ units.

8 0
3 years ago
naturally occurring bromine molecules, br2 have masses of 158, 160, and 162. they occur in the relative abundances 25.69%, 49.99
4vir4ik [10]
The average atomic mass of an element can be determined by multiplying the individual masses of the isotopes with their respective relative abundances, and adding them. 

Average atomic mass of Br = 158 amu(0.2569) + 160 amu(0.4999) + 162 amu(0.2431)
Average atomic mass = 159.96 amu

As described in the problem, the relative abundance for Br-79 is 25.69%. This is because 2 atoms of Br is equal to 79*2 = 158 amu. Similarly, the relative abundance of Br-81 is 81*2 = 162, which is 24.31%.
4 0
3 years ago
Please help me with this in the picture I need 8 thing wrong and 8 what should they do right
lukranit [14]
1- savannah shouldn’t drink that toxic stuff
2- scissors shouldn’t be in the charger hole
3- there shouldn’t be a snake in the lab
4- lindsey should pay attention to what’s in front of her
5- freddy shouldn’t steal stuff
6- there shouldn’t be a plug in the water
7- evan shouldn’t drink anything in the lab
8- there shouldn’t be food in the lab
3 0
3 years ago
What is the molecular weight of a monoprotic carboxylic acid if 11.20 mL of 0.9635 M sodium hydroxide is required to titrate 1.2
Vlada [557]

Answer:

116.1 a.m.u.

It is not likely that RCOOH is the pentanoic acid

Explanation:

Let's consider the generic neutralization between NaOH and a monoprotic carboxylic acid.

RCOOH(aq) + NaOH(aq) ⇒ RCOONa(aq) + H₂O(l)

The molar ratio of RCOOH to NaOH is 1:1. The moles of RCOOH are:

11.20 \times 10^{-3}L.\frac{0.9635molNaOH}{1L}. \frac{1molRCOOH}{1molNaOH} =1.079 \times 10^{-2}molRCOOH

The molar mass of RCOOH is:

\frac{1.253g }{1.079 \times 10^{-2}mol } =116,1g/mol

Thus, the molecular weight is 116.1 a.m.u.

Pentanoic acid has the formula C₅H₁₀O₂ with a molecular weight of 102.1 a.m.u. So, it is not likely that RCOOH is the pentanoic acid.

4 0
4 years ago
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