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den301095 [7]
4 years ago
11

True or False? Buoyancy is an upward force exerted by a fluid on a submerged object.

Chemistry
2 answers:
aleksley [76]4 years ago
7 0
True since I’ve just done the work
Lemur [1.5K]4 years ago
5 0
True, buoyancy is the force a fluid exerts upon an object on its surface.
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energy or density

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What would a general formula of an acid always start with? ( 1 point)
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4 years ago
While setting up a beaker to boil a solution on a hot plate, you notice that the stirring is erratic and unstable. What should y
Mama L [17]

Given what we know about lab safety, we can confirm that when dealing with unstable and erratic equipment such as the stirring mechanism, in this case, the best course of action is to deactivate the equipment until further notice.

<h3>Why should we turn off the equipment?</h3>
  • The erratic nature of the stirring mechanism is making the entire system unstable.
  • When dealing with a hot plate, and heating substances, we need to maintain stability at all times.
  • We do this to avoid spills that may cause burns or other unwanted damages.
  • Therefore, until we know why the stirring was erratic, we must turn the mechanism off.

Therefore, we can confirm that when dealing with faulty or unstable lab equipment, we must deactivate the equipment immediately in order to preserve our lab safety.

To learn more about lab safety visit:

brainly.com/question/20103808?referrer=searchResults

3 0
3 years ago
What units should be used when describing the density of oil?
Alinara [238K]

Answer:

Generally, density is measured using he SI unit for measurement of density which is kg/m³ or the cgs units used to describe the density of a substance which is g/cm³

However, due to its nature (being composed of varying amount proportions of different compounds mixed together resulting in a variation of the density of naturally produced crude oil) of having different densities whereby the lighter oils are more easily processed than the heavier variety of oils, oil density is related to the quality of the oil and it is usually measures in API gravity as follows;

°API = (141.5/S.G.) - 131.5

Where;

API = American Petroleum Institute

S. G. = Specific gravity

As such the API gravity of fresh water with a S. G. of 1.0 has is 10 degrees

Explanation:

6 0
3 years ago
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