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FrozenT [24]
3 years ago
10

List the seven colors of the electromagnetic spectrum by temperature, beginning with the coolest

Chemistry
1 answer:
Licemer1 [7]3 years ago
3 0

Answer:10-15

(size of a nucleus)

10-11 Gamma Rays Cancer Treatment

10-10

(size of an atom) X-Rays Materials testing

Medical x-rays

10-8 Ultraviolet Germicidal, "black light", suntan

10-6

(diameter of a bacteria)

Visible Colors

Optics

10-5   -   10-3 Infrared Human body radiation

10-2

(size of a mouse) Microwave Microwave ovens, atomic clocks

10 0

(one meter, the size of a man)

.

Radar, Television, F.M. Radio, International Short-wave

10 3

(size of a village) Radio frequency (RF) A.M. Radio

10 6

(distance from Washington D.C. to Chicago) Audio frequency Long-wave broadcast

10 8

(distance to the moon)

.

Brain wav

Explanation:

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QUESTION 7 Can you use alligation for any type of liquid? ​
NeTakaya

Answer:

Yes you can use alligation for a type of liquid. Explanation: Alligation is an old and practical method of solving arithmetic problems related to mixtures of ingredients.

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Which scientist is credited with developing the orbital model of the atom? A. J.J. Thomson. . B. Ernest Rutherford. . c. Niels B
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3 years ago
A 1dm3 solution was made by mixing 0.0040 mol of HCl(aq) and 0.0025 mol of NaOH(aq). What was the pH of the resulting solution?
kicyunya [14]

The pH of the resulting solution is 2.82.

<h3>What is pH ?</h3>

pH is the measure of acidity and alkalinity of a solution , It has a range of 1 to 14.

HCl          +                   NaOH      →         NaCl       +         H₂O

0.0040                         .0025                 0                       0

0.0040 -0.0025             0                   0.0025          0.0025

Moles of HCl = 0.0015

As 0.0025 moles of NaOH reacts with 0.0025 moles of HCl leaving behind 0.0015 moles of HCl

Concentration of HCl = 0.0015/ 1 = 0.0015 M

[ H⁺] = 0.0015 M

pH = -log [ H⁺]

pH = -log [ 0.0015]

pH = 2.82

Therefore the pH of the resulting solution is 2.82.

To know more about pH

brainly.com/question/15289741

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2 years ago
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