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sweet [91]
3 years ago
10

Write an equation that gives the overall equilibrium constant in terms of the equilibrium constants and . If you need to include

any physical constants, be sure you use their standard symbols, which you'll find in the ALEKS Calculator g
Mathematics
1 answer:
shutvik [7]3 years ago
3 0

Answer:

The answer is "k=k_1k_{2}^2"

Step-by-step explanation:

For point 1:

4NHH_3 \ (g) +5O_2\ (g)  \leftrightharpoons  4NO\ (g) +6H_2O \ (g)..................k_1\\\\

For point 2:

2 \times(2\ NO\ (o)+O_2 \ (g)  \leftrightharpoons  2NO_2\ (g)) ..................K_2\\\\

Adding k_1 equation and  multiply by 2 in the equation k_2 so we get  \to 4NH_3\ (g) +7 O_2\ (g) \leftrightharpoons 4 NO_2\(g) +6H_2O\ (g)....... k\\\\k= k_1\times k_{2}^2\\\\k=k_1k_{2}^2\\\\

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As an estimation we are told 5 miles is 8 km.<br> Convert 42.5 miles to km.
Shkiper50 [21]

Answer:

the answer is 68km.

Step-by-step explanation:

3 0
3 years ago
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Find the dimensions of a rectangle divided into two equal rectangles of maximum area that has total perimeter (including the mid
lilavasa [31]

The dimensions for this rectangle are b= 30 ft and h=20 ft.

<h3>Perimeter</h3>

The perimeter of a geometric figure is the sum of its sides.

The question  gives:

  • the geometric figure - rectangle
  • the total perimeter - 120 ft

Therefore for the perimeter, you have

P= \frac{b}{2} +\frac{b}{2}+ h+ h +h

P=2b+3h

2b+3h=120 (1)

From equation 1, you can write:

2b=120-3h

b=\frac{120-3h}{2}

b= 60 - \frac{3h}{2} (2)

The area for the rectangle is given by A= bh. Therefore, by replacing (2) in the formula for rectangle area, you have:

A= (60-\frac{3h}{2} )* h\\ \\ A= 60h-\frac{3h^2}{2}

The maximum area will be calculated from the derivation of the previous equation of area.

\frac{dA}{dh}=60-2*\frac{3h}{2}\\ \\  \frac{dA}{dh}=60-3h

The maximum area can be found when the first derivative is equal to zero. Thus,

60-3h=0

-3h=-60 *(-1)

3h=60

h=20

Now, you know the height and from equation 2 (b= 60 - \frac{3h}{2} ) you can find the base.

b= 60 -\frac{3*20}{2}

b=60 - 3*10

b=60-30

b=30

Read more about the First Derivative Test here:

brainly.com/question/6097697

#SPJ1

8 0
2 years ago
Como Determinar a equação da reta que passa pelos pontos A(-1, -2) e B(5,2)
Komok [63]

Answer:

A equação da reta é dada por: y = \frac{2}{3}x - \frac{4}{3}

Step-by-step explanation:

Equação de uma reta:

A equação de uma reta tem o seguinte formato:

y = ax + b

Em que a é o coeficiente angular e b é o coeficiente linear.

Coeficiente angular:

Com posse de dois pontos, o coeficiente angular é dado pela mudança em y dividida pela mudança em x.

A(-1, -2) e B(5,2)

Mudança em y: 2 - (-2) = 2 + 2 = 4

Mudança em x: 5 - (-1) = 5 + 1 = 6

Coeficiente angular: m = \frac{4}{6} = \frac{2}{3}

Então:

y = \frac{2}{3}x + b

Coeficiente linear:

Substituindo um ponto na equação, encontra-se o coeficiente linear.

B(5,2)

Quando x = 5, y = 2. Então:

y = \frac{2}{3}x + b

2 = \frac{2}{3}5 + b

b = 2 - \frac{10}{3} = \frac{6}{3} - \frac{10}{3} = -\frac{4}{3}

Então:

y = \frac{2}{3}x - \frac{4}{3}

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GrogVix [38]
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oee [108]

Answer:

Jeff has 70 dollars, he spends none of it. He still has 70 dollars.

Step-by-step explanation:

8 0
4 years ago
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