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3 years ago

Describe the region in model 1 where the highest concentration of hydrogen ion (h+) is located.

1 answer:

8 0

The highest concentration of hydrogen ion (H+) is located in the intermembrane space. The intermembrane space is the space between inner membrane and the outer membrane of the mitochondrion or chloroplast. THe main function of intermembrane is oxidative phosphorylation.

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Number 14 please help.. chemistry

Zolol [24]

Taking into account the definition of density, the mass of a substance with a volume of 150 cm³ and a density of 1.5 $\frac{g}{cm^{3} }$ is 225 grams.

<h3>What is density</h3>

Density is defined as the property that matter, whether solid, liquid or gas, has to compress into a given space.

In other words, density is a quantity that allows us to measure the amount of mass in a certain volume of a substance.

Then, the expression for the calculation of density is the quotient between the mass of a body and the volume it occupies:

$density=\frac{mass}{volume}$

From this expression it can be deduced that density is inversely proportional to volume: the smaller the volume occupied by a given mass, the higher the density.

<h3>Mass of the substance in this case</h3>

In this case, you know that:

Density= 1.5 $\frac{g}{cm^{3} }$
Volume= 150 cm³

Replacing in the definition of density:

$1.5 \frac{g}{cm^{3} } =\frac{mass}{150 cm^{3} }$

Solving:

mass= 1.5 $\frac{g}{cm^{3} }$ ×150 cm³

In summary, the mass of a substance with a volume of 150 cm³ and a density of 1.5 $\frac{g}{cm^{3} }$ is 225 grams.

Learn more about density:

brainly.com/question/952755

brainly.com/question/1462554

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7 0

2 years ago

Drag each tile to the correct box.

ElenaW [278]

Explanation:

Wind turbines generate electricity by following simple principle. Moving wind transfers energy to the to the blades of the wind mill which results in spinning of the blades. These blades are connected to internal shaft which also starts spinning. This spinning of shaft generates electricity which is further distributed to electrical substations to provide electricity to homes and businesses.

Step 1: Wind moves the blades of the turbine.

Step 2: Internal shaft spins

Step 3: Generator produces electricity

Step 4: Distribution lines carry electricity to substation

7 0

3 years ago

At a high temperature, equal concentrations of 0.160 mol/L of H2(g) and I2(g) are initially present in a flask. The H2 and I2 re

Nikitich [7]

Explanation:

The given reaction is as follows.

$H_{2} + I_{2} \rightarrow 2HI$

Initial : 0.160 0.160 0

Change : -x -x 2x

Equilibrium: 0.160 - x 0.160 - x x

It is given that $[H_{2}]$ = [0.160 - x] = 0.036 M

and, $[I_{2}]$ = [0.160 - x] = 0.036 M

so, x = (0.160 - 0.036) M

= 0.124 M

As, [HI] = 2x.

So, [HI] = $2 \times 0.124$

= 0.248 M

As it is known that expression for equilibrium constant is as follows.

$K_{eq} = \frac{[HI]^{2}}{[H_{2}][I_{2}]}$

= $\frac{(0.248)^{2}}{(0.036)(0.036)}$

= 47.46

Thus, we can conclude that the equilibrium constant, Kc, for the given reaction is 47.46.

7 0

3 years ago

Why is a magnetic field a vector quantity?

Alik [6]

Answer:

Explanation:

a vector quantity must have a direction. without a direction the value is called a scalar quantity

ie: velocity is a vector because it is how fast an object moves in a certain direction. speed is a scalar because it is how fast an object moves regardless of direction

5 0

3 years ago

How do scientists distinguish between an element and a compound? List two elements and two compounds.

mrs_skeptik [129]

Element and compound , and or heterogeneous and homogeneous

6 0

3 years ago

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