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creativ13 [48]
2 years ago
12

The area in which an object experiences a noncontact force is called a field. Examples of fields include electrical fields, magn

etic fields, and gravitational fields. A field extends throughout space and lessens with distance until it is undetectable. Fields are measurable and follow the motion of the field's source.
In your own words, explain what a field is in science.
Chemistry
1 answer:
kolbaska11 [484]2 years ago
5 0

Answer:

In physics, a region in which each point is affected by a force.  The strength of a field, or the forces in a particular region, can be represented by field lines; the closer the lines, the stronger the forces in that part of the field. See also electromagnetic field.

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sp2606 [1]
We are given the base dissociation constant, Kb, for Pyridine (C5H5N) which is 1.4x10^-9. The acid dissociation constant, Ka for the Pyridium ion or the conjugate acid of Pyridine is to be determined. We know from our chemistry classes that:

Kw = Kb * Ka

where Kw is always equal to 1x10^-14

so, to solve for Ka of Pyridium ion, substitute Kb to the equation together with Kw and solve for Ka:

1x10^-14 = 1.4x10^-9 * Ka
solve for Ka

Ka = 7.14x10^-6 

Therefore, the acid dissociation constant of Pyridinium ion is 7.14x10^-6.
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3 years ago
What is the mass of volume= 5.4 mL  density= 2.5 g/mL​
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Answer:

13.5g

Explanation:

Mass is defined as the measure of the amount of matter in an object. Its unit is kg or g.

Mass can be calculated using the formula:

m= d × v

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d= density

m= mass

v= volume

m= 2.5×5.4

m= 13.5g

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