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lubasha [3.4K]
4 years ago
7

Which profile best shows the topography alone line AD

Chemistry
1 answer:
melomori [17]4 years ago
4 0
The popo profile in the office
You might be interested in
he first solution contains 25 % acid, the second contains 35 % acid, and the third contains 55 % acid. She created 100 liters of
photoshop1234 [79]

Answer:

Volume of first solution       =  20 Liters

Volume of second solution =  20 Liters

Volume of third solution     =  60 Liters

Explanation:

Let the volume second solution  used= y

Let the volume of third solution used = 3y

Let the volume of first solution used = 100 - (y +3y)

                                                             = 100- 4y

The volume of acid in the first solution ( V₁)  = 25% of (100-4y)

                                                                         = 25-y

The volume of acid in the second solution(V₂)  =35% of y

                                                                              = 0.35y

The volume  acid in the  third solution (V₃)  = 55% of 3y

                                                                       =1.65y

The  Volume of acid in Mixture (V₄)   =   45% of 100

                                                             =  45

From the conservation of volume:

V₄ =  V₁  +  V₂ + V₃

45 = (25-y )+ 0.35y + 1.65y

45 =25 -y + 0.35y + 1.65y

45 -25 = y

y = 20

So the volume of first solution used = 100- 4y

                                                             = 100- 4(20)

                                                             =  20 Liters

So the volume of second solution used = y

                                                             =  20 Liters

So the volume of third solution used = 3y

                                                             =  3(20)

                                                             =  60 Liters

3 0
3 years ago
Which of the following reactions will have the largest equilibrium constant (K) at 298 K? Which of the following reactions will
hram777 [196]

Answer:

<em>2 Hg(g) + O₂(g) → 2 HgO(s) ΔG° = -180.8 kJ </em>

Explanation:

If we know the ΔG° of a chemical reaction it is possible to calculate the equilibrium constant (k) of this procedure with the next equation:

ln Keq = -ΔG° / RT (1)

Where: Keq is equilibrium contant, ΔG° is standard state free energy change, R is gas constant and T is temperature.

Watching (1), it is possible to know that the large negative ΔG° the largest equilibrium constant. That is because R and T are always positive and to cancel the negative of equation it is necessary that ΔG° be negative.

Knowing this, is the oxidation of Hg the reaction that has the largely negative ΔG°. So, this reaction will have the largest equilibrium constant.

<em>2 Hg(g) + O₂(g) → 2 HgO(s) ΔG° = -180.8 kJ </em>

CaCO₃(s) → CaO(s) + CO₂(g) ΔG° =+131.1 kJ

3 O₂(g) → 2 O₃(g) ΔG° = +326 kJ

Fe₂O₃(s) + 3 CO(g) → 2 Fe(s) + 3 CO₂(g) ΔG° = -28.0 kJ

I hope it helps!

8 0
3 years ago
. Guillermo was finding it difficult to walk up the steps to his family’s apartment. His doctor thinks that his cells might not
morpeh [17]

Answer:

Because oxygen is the combustion  fuel and glucose  is the substrate needed for synthesis of energy as ATPs during cellular respiration.Therefore Guillermo lacks enough energy as ATPs in her  body cells, especially skeletal muscles cells to complete the task of ascending the s steps.

For all the mitochondrial in cells(sites of energy production)   to receive needed glucose,and other metabolites needed for  energy synthesis; an efficient transport system is needed, so that  these materials   are available  immediately, in required amount. This system is called circulatory system.

And for the the supply of combustion fuel (oxygen) needed for the completion of the ATP synthesis mechanisms;  respiratory systems which  convey oxygen from the external environments to the circulatory system through breathing mechanisms, for distribution is needed.

Thus the  doctor needs to test both the circulatory and respiratory systems.

Explanation:

4 0
3 years ago
Perform the following conversions:
kozerog [31]

The temperature in in Celsius is 5826.85 degree Celsius and Fahrenheit is 10520.33.

To express temperature in kelvin and Celsius two different relations are used,  The formula to convert Fahrenheit to Celsius we use the formula T(K) = (T(°F) + 459.67)× 5/9 here T(k) mean temperature in kelvin and T(F) is temperature in Fahrenheit so by putting the given data we get (6100 − 273.15) × 9/5 + 32 = 10520.33°F and so now we obtained the temperature in kelvin so to convert   kelvin to Celsius we use this formula °C=K−273.15, so by putting the given data 6100 − 273.15 = 5826.85°C.Kelvin, Celsius and Fahrenheit are the three units to measure the temperature.

To learn more about Temperature,

brainly.com/question/11464844

#SPJ4

6 0
2 years ago
As far as terrain, mountainous northern coast otherwise known as the
mamaluj [8]
D. Appalachians

That should be your answer for the mountainous northern coast.
5 0
3 years ago
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