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MatroZZZ [7]
3 years ago
13

An ocean trench .

Chemistry
2 answers:
gulaghasi [49]3 years ago
8 0
The answer is C because of the subduction between a plate carrying continental crust and one carrying oceanic crust also the oceanic crust will always subduct
Klio2033 [76]3 years ago
7 0

Answer:

C. Occurs where a plate is moving down.

Explanation:

Ocean trenches are steep depressions in the deepest parts of the ocean where old ocean crust from one tectonic plate is pushed beneath another plate, raising mountains, causing earthquakes, and forming volcanoes on the seafloor and on land.

Please mark as Brainliest! :)

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if it takes 54 mL of 0.1 NaOH to neutralize 125 mL of an HCL solution, what is the concentration of HCL?
OleMash [197]

Answer:

0.0432M

Explanation:

We begin by writing a balanced equation for the reaction. This is illustrated below:

NaOH + HCl —> NaCl + H2O

From the equation above,

The number of mole of the acid (nA) = 1

The number of mole of the base (nB) = 1

Data obtained from the question include:

Vb (volume of the base) = 54mL

Cb (concentration of the base) = 0.1M

Va (volume of the acid) = 125mL

Ca ( concentration of the acid) =?

Using CaVa/CbVb = nA/nB, the concentration of the acid can easily be obtained as shown below:

CaVa/CbVb = nA/nB

Ca x 125 / 0.1 x 54 = 1

Cross multiply to express in linear form:

Ca x 125 = 0.1 x 54

Divide both side by 125

Ca = (0.1 x 54) / 125

Ca = 0.0432M

Therefore, the concentration of the acid is 0.0432M

3 0
3 years ago
What is the maximum number of electrons that most nonmetal<br> atoms can gain when forming an ion?
makkiz [27]

Answer:

3 I think

Explanation:

3 0
3 years ago
Which is the correct formula for phosphorus pentachloride? PCl4 because a subscript of 4 indicates four Cl atoms PCl5 because a
Arlecino [84]

Answer: The correct formula for phosphorous pentachloride is PCl_5 because a subscript 5 indicates five chlorine (Cl) atoms.

Explanation: For the given molecule, phosphorous pentachloride, there are 2 atoms present which are phosphorous and chlorine atoms.

Number of phosphorous atoms = 1

Number of chlorine atoms = 5

So, the correct formula for phosphorous pentachloride will be PCl_5 because the subscript 5 represents the 5 chlorine atoms.

7 0
3 years ago
Read 2 more answers
Please help me with science
____ [38]

Answer:

The child with the trait is heterozygous.

Explanation:

It's a little difficult to be sure without wider context.  But my interpretation of both the graphic and the wording, is that the circle represents a person who has the trait, but not necessarily someone who expresses the trait.  The square, on the other hand, seems to represent a person who does not have the trait at all.

Based on that, the squares would be hom-zygous--they possess two copies of a dominant version of the characteristic.  And the circles would be heteroxygous--they possess two different versions, one recessive and one dominant.

Unfortunately, this is actually a poorly constructed question, and if the circles are intended to represent an individual who <em>expresses </em>the recessive trait, then the answer would be that the child is hom-zygous.  But based on the exact wording of the question, the correct interpretation of the graphic should be as I've explained above.

5 0
3 years ago
How does the acid level in a lake affect how many fish live there?
nikklg [1K]

If the level of acid in a lake increased, then the number of fish that live there will be decreased because highly acidic lakes will not have enough food for the fish to survive. Acidic level increases , then availability of food for fish decreases as some food will be contaminated so if the fish won't got enough food for their survival then their number of fish decreases.

3 0
2 years ago
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