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musickatia [10]
3 years ago
8

Octane, c8h18, is a component of fuel used in internal combustion engines. the dominant intermolecular forces in octane are

Chemistry
1 answer:
lesya692 [45]3 years ago
6 0
<span>London dispersion forces</span>
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The answer is 0.30 m/s

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Are silver spoons tarnished and turned black, chemical or physical property?
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What are the moles of silver metal produced from 0.0999 mol of copper?
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6 0
3 years ago
If the take off velocity of an airplane on a runway is 300 km /hr with an acceleration of 1 m/s2. What is the take off time of t
Rama09 [41]
<h3>Answer:</h3>

83.33 seconds.

<h3>Explanation:</h3>

<u>We are given;</u>

  • Take off velocity as 300 km/hr
  • Acceleration as 1 m/s²

We are required to calculate the take off time of the airplane.

<h3>Step 1: Convert velocity from km/hr to m/s </h3>

We are going to use the conversion factor.

The conversion factor is 3.6 km/hr per m/s

Therefore;

Velocity = 300 km/hr ÷ 3.6 km/hr per m/s

             = 83.33 m/s

<h3>Step 2: Calculate the take off time</h3>

We know that;

v = u + at

where, u is the initial velocity, v the final velocity, a the acceleration and t is time.

But, initial velocity is Zero

Therefore;

83.33 m/s = 1 m/s² × t

Thus;

time = 83.33 m/s ÷ 1 m/s²

       = 83.33 seconds

Therefore, the take off time is 83.33 seconds.

5 0
2 years ago
A student doing this experiment accidently spilled some of the previously measured copper chloride solution on his hands. he did
Orlov [11]

Answer:

The number of moles of the chemical constituents will be less than the actual amount.

Explanation:

In calculating empirical formula, we begin with the number of grams of each element, given in the problem.

Given that the spill will affect the mass concentration of the copper chloride solution, calculations to determine the molecular formula (using Molarity = mass conc ÷ molecular mass ) would give a lesser result, which would in turn lower the number of moles of the copper and chloride in the empirical formula calculation.

8 0
3 years ago
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