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Dovator [93]
2 years ago
12

Define the SI unit fro length, mass time , and temperature

Chemistry
1 answer:
Julli [10]2 years ago
7 0

Length=The distance between two points

Mass=The amount of matter contained in a body

Time=The interval or duration between two events

Temperature=The hotness and coldness of a body

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Montano1993 [528]
You could try rubbing coconut oil on it with a cloth it should come off
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3 years ago
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A forest has a stable population of approximately 100 great horned owls. The owls nest in hollow trees, eat small animals, and h
CaHeK987 [17]
The answer is B. The carrying capacity will decrease, forcing the population to decrease as well.
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Scoring Scheme: 3-3-2-1 Use one of your experimentally determined values of k, the activation energy you determined, and the Arr
Lena [83]

Answer:

K = 2.7x10⁻⁵ at 25ºC

Explanation:

A way to write Arrhenius equation is:

ln K = - Ea/R × (1/T) + lnA

If you graph ln K as Y and 1/T as X (Absolute temperature in K), the equation you will obtain is:

Y = -13815X +35.817

R² = 0.9927

(Taking the last k point as 0.0386) (ln 0.0386), <em>0.1386 has no sense</em>)

Your slope is -13815

-13815K = - Ea/R

-13815K×8.314J/molK = 114858J/mol = Ea

And your intercept =

lnA = 35.817

A = 3.59x10¹⁵

Now, you want to know rate constant at 25ºC = 298.15K. Replacing in the equation (Where Y is ln (activation energy) and X is 1/T):

Y = -13815X +35.817

Y = -13815(1/298.15K) +35.817

Y = -10.5187

lnK = -10.5187

<h3>K = 2.7x10⁻⁵ at 25ºC</h3>

8 0
3 years ago
How many moles of sulfur are in 53.7 grams of sulfur?
PolarNik [594]
NO.OF.MOLES= MASS/ATOMIC MASS
THE ATOMICITY OF SULPHUR IS 8 AND ITS MASS NUMBER IS 32.
SO, THE ATOMIC MASS IS 256
NO.OF.MOLES= 53.7/256
= 537/2560
= 0.2097
6 0
2 years ago
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How is a slump different from creep?
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Answer:

Is this chemistry or ELA!

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2 years ago
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