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Nookie1986 [14]
3 years ago
10

Why have people mostly studied the problem of plastic at the ocean surface? *

Chemistry
1 answer:
jenyasd209 [6]3 years ago
7 0

Answer:

because its polluting the waters and they want to see if its harming the small sea life living in those locations

Explanation:

im 90% sure abt this srry if its wrong

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WILL GIVE BRAINLIEST - A solution has a [H3O+] of 1 × 10−3 M. What is the [OH−] of the solution?
Hitman42 [59]

Answer:

The answer is 1 x 10 - 11 M.  :))

4 0
3 years ago
To determine the concentration of 20.00 mL of an unknown solution of a monoprotic acid, it is titrated with 0.1093 M sodium hydr
Elanso [62]

Answer:

d) 0.1202 M

Explanation:

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

NaOH + HA → NaA + H₂O

The used volume of NaOH is 41.63 mL - 19.63 mL = 22.00 mL. The moles of NaOH are:

22.00 × 10⁻³ L × 0.1093 mol/L = 2.405 × 10⁻³ mol

The molar ratio of NaOH to HA is 1:1. The moles of HA that reacted are 2.405 × 10⁻³ moles.

The molar concentration of HA is:

2.405 × 10⁻³ mol / 20.00 × 10⁻³ L = 0.1202 M

7 0
3 years ago
One way to get more energy out of fuels is to increase _____, the percentage of energy used for work.
Natasha2012 [34]
<span>One way to get more energy out of fuels is to increase _____, the percentage of energy used for work.

</span><span>C.efficiency

Hope this helps :)</span>
4 0
3 years ago
What is the molecular formula of a compound with the empirical formula so and molecular weight 96.13?
garik1379 [7]
<h3>Answer:</h3>

                  Molecular Formula  =  S₂O₂  (Disulfur Dioxide)

<h3>Solution:</h3>

Molecular formula is calculated by using following formula,

                    Molecular Formula  =  n × Empirical Formula  ---- (1)

Also, n is given as,

                     n  =  Molecular Weight / Empirical Formula Weight

Molecular Weight  =  96.13 g.mol⁻¹

Empirical Formula Weight  =  32.06 (S) + 16.0 (O)  =  48.06 g.mol⁻¹

So,

                     n  =  96.13 g.mol⁻¹ ÷ 48.06 g.mol⁻¹

                     n  =  2.0002 ≈ 2

Putting Empirical Formula and value of "n" in equation 1,

                    Molecular Formula  = 2 × SO

                    Molecular Formula  =  S₂O₂  (Disulfur Dioxide)

4 0
4 years ago
Biological membranes are present in all cells, and they make up the endomembrane system of eukaryotic cells. Among other functio
docker41 [41]

Answer:

The correct option for question 1 would be:

a bilayer containing lipids with hydrophilic head groups pointing inward and hydrophobic tail groups facing the solvent (extracellular fluid and cytosol).

The correct option for question number two would be: proteins.

Explanation:

The membranes present phospholipids that act as selective barriers between the intracellular and extracellular space, allowing an internal balance in relation to the external one.

Its conformation is mostly phospholipids, fatty acids, proteins (from transmembrane to intermembrane or external)

5 0
3 years ago
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