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Triss [41]
3 years ago
13

Use the rules for logarithms and exponents to write this equation in logarithmic form.?

Mathematics
1 answer:
Papessa [141]3 years ago
7 0

Answer:

ln K = ln (A) -\frac{\Delta H}{RT}

Step-by-step explanation:

For this case we have the following expression:

K = A e^{-\frac{\Delta H}{RT}}   (1)

And we want to find the value of ln K. If we apply natural log on both sides of the equation (1) we got:

ln K = ln(A e^{-\frac{\Delta H}{RT}})

Using the following property:

ln(xy) = ln (x) + ln(y) for x and y real numbers, x>0, y>0, then we have:

ln K = ln (A) + ln (e^{-\frac{\Delta H}{RT}})

Now since the natural log and the exponentiation are inverse operations we have this:

ln K = ln (A) + (-\frac{\Delta H}{RT})

And then the final expression for ln K is :

ln K = ln (A) -\frac{\Delta H}{RT}

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A small plane flew 808 miles in 4 hours with the wind. Then on the return trip flying against the wind it travels only 488 miles
Blababa [14]

Answer:

Step-by-step explanation:

let wind velocity=x

speed of plane=y

(x+y)*4=808

x+y=808/4=202   ...(1)

(y-x)*4=488

y-x=122 ...(2)

add (1) and (2)

2y=202+122=324

y=324/2=162

from (1)

x+162=202

x=202-162=40

wind velocity=40 m/hr

speed of plane=162 m/hr

8 0
2 years ago
Answer and show the work please?
dem82 [27]
(-5/8)(X) = -0.4
(-5/8)(X) = -4/10
X = (-4/10) / (-5/8)
X = (4/10) / (5/8)
X = (4/10)(8/5)
X = (2/5)(8/5)
X = 16/25


Letter D
4 0
2 years ago
Last one for todayy lolz
lyudmila [28]
It should be A. not 100% sure since i haven’t done this in awhile but it makes the most sense lol
3 0
3 years ago
Read 2 more answers
If 1=3<br> 2=3<br> 3=5<br> 4=4<br> 5=4, then 6=?
jeyben [28]

Answer:

six equal to eight?????

7 0
2 years ago
If 3x-8=-2 fins the value of x-6
adell [148]

Steps to solve:

3x - 8 = -2; x - 6

~Substitute

3(x - 6) = -2

~Distribute left side

3x - 18 = -2

~Add 18 to both sides

3x = 16

~Divide 3 to both sides

x = 16/3

Best of Luck!

7 0
3 years ago
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