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Oxana [17]
3 years ago
8

A 200.0 ml beaker filled with oil has a mass of 293.2 g. The mass of just the beaker is 130.2

Chemistry
1 answer:
Lelu [443]3 years ago
5 0

Answer:p=m/v

p=(292.2-130.2)/200

p=0.8100g/ml

Explanation:

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The reaction is run at two temperatures where temperature 1 is lower than temperature 2. Which relationship is correct for eithe
Tasya [4]

Answer:

The answer is "K_1 < K_2"

Explanation:

In the given question, the value of the K=Ae^{-\frac{Ea}{RT}} and the T_1is the rate value which is the constant that is  K_2>K_1. As per the temperature value when its increase rate is constantly increasing. E_a is activation energy it is not dependent on the temperature that why the answer is K_1 < K_2.

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3 years ago
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3 0
3 years ago
Which of the following reactions is an example of a single replacement reaction?
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3 years ago
A book is pushed off the edge of a table. At what point during the fall will the potential and kinetic energy be equal?
vfiekz [6]

Answer:

KE = PE at half the table Height:

Explanation

AT ANY POINT IN THE BOOK'S FALL,

TOTAL E = PE +KE

THE TOTAL E IS CONSTANT

Before the book is pushed off, the total energy is potential

TOT E=PE =MGH

BEFORE THE BOOK HITS THE GROUND, THE TOTAL E IS KINETIC

TOT=KE = MVXV/2

WHEN KE = PE

KE+PE =<u> MGH (STARTING ENERGY SINCE E IS CONSERVED)</u>

<u>OR PE+ PE = MGH</u>

<u>OR MGH' + MGH' =MGH</u>

<u>OR 2H' =</u>H

H' (NEW HEIGHT) =H/2

5 0
2 years ago
How long does it take an object to travel 50m at a rate of 8 m/s?
Harman [31]

Answer:

6.25s

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time = distance / speed

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7 0
2 years ago
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