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sineoko [7]
2 years ago
15

A student has the following data recorded: final readings: 760. mm Hg, 6.0L, 197 'C. initial readings:

Chemistry
1 answer:
irina [24]2 years ago
7 0
Is that Geometry or Algebra?
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What did galileo say about the sun
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Galileo said that the Sun revolved around the Earth, and that the Earth was the center of the universe ! (:
4 0
3 years ago
Which diagram shows the correct electron configuration for fluorine (F)?
sdas [7]

Answer:

it's A

Explanation:

The given element is, fluorine is a non-metal with symbol (F). It is a gas and belongs to the group 17 and period 2.

The atomic number of fluorine = 9

The number of electrons = 9

6 0
1 year ago
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Light waves come in different wavelengths and frequencies. The color of the light we see is dependent on wavelength. When we see
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When we see a rainbow, we are actually seeing colors of different wavelengths : mainly, red orange yellow green blue indigo and violet (in descending order of their wavelengths.)
5 0
3 years ago
Compared with the fibers of cotton plants growing today, what is the relative ratio radioactivity in the old material vs the rel
TiliK225 [7]

Answer:

0.56

Explanation:

From the formula;

0.693/t1/2 = 2.303/t log (Ao/At)

t1/2 = half life of the C-14 = 5730 y

t = time elapsed = 4800 y

At = Activity of C-14 at time t

Ao= Activity of a living C-14 sample

0.693/5730 = 2.303/4800 log (Ao/At)

1.2 * 10^-4 = 4.8 * 10^-4 log (Ao/At)

log (Ao/At) = 1.2 * 10^-4/4.8 * 10^-4

log (Ao/At) = 0.25

Ao/At = Antilog (0.25)

Ao/At = 1.778

Hence;

At/Ao = (1.778)^-1

At/Ao = 0.56

7 0
3 years ago
Which of the following solutions would have the lowest freezing point? 1.0 nacl 3.0 nacl 2.0 nacl or 5.0 nacl
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The solution that will have the lowest freezing point is 5.0 SODIUM CHLORIDE. 
Adding solute to solvents usually result in the depression of the freezing point. The higher the quantity of the solute that is added, the lower the freezing point of the solution.
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3 years ago
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