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kodGreya [7K]
3 years ago
12

Data that can be observed with senses such as sight, smell, touch, taste 4 and hearing is called

Chemistry
1 answer:
jeka943 years ago
4 0
Data that can be observed with senses is called an observation
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Molecular bromine is 24 percent dissociated at 1600 k and 1.00 bar in the equilibrium br2 (
dlinn [17]
Br2 == 2Br

24% dissociated => n total moles, 0.24 mol*n of Br, and 0.76*n mol of Br2

=> partial pressure of Br, P Br = 0.24 bar, and
     partical pressure of Br2, P Br2 = 0.76 bar

kp = (P Br)^2 / P Br2 = (0.24)^2 / 0.76 = 0.0758


3 0
3 years ago
The atomic number tells the number of positively charged __________ in the nucleus of an atom. the atom is __________ because th
zimovet [89]
Protons, neutral, negatively, electrons
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3 years ago
Which is a characteristic of weak acids and weak bases?
Lera25 [3.4K]
Ka and Kb values of weak acids and weak bases are small.

This is because weak acids and weak bases do not dissociate completely, favoring the reactants more than dissociating into the product of H+ or OH-.
5 0
3 years ago
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Anh measured the temperature of a pond near his house. Before he left for school, the water in the pond was 18 degrees celsius.
Hitman42 [59]

As the temperature increases, B) the molecules started moving faster.

Explanation:

The temperature of a substance is a measure of the average kinetic energy of the particles in a substance. In particular, it can be found that the temperature is directly proportional to the average kinetic energy of the particles:

T\propto KE

The kinetic energy of a particle is given by

KE=\frac{1}{2}mv^2

where

m is the mass of the particle

v is its speed

This means that the higher the temperature of a substance, the greater the speed of the particles in the substance.

Therefore, if we apply this concept to this problem, we infer that as the temperature of the water in the pond gets higher, the speed of the molecules inside the water increases, which means that the molecules are moving faster.

Therefore, the correct answer is

B) the molecules started moving faster.

Learn more about temperature:

brainly.com/question/1603430

brainly.com/question/4370740

#LearnwithBrainly

3 0
4 years ago
What type of evidence does the author use to support his argument that students should be required to complete service hours in
SpyIntel [72]
Answer:C



Explanation:
C. The author presents rational and logical reasons to support his argument
4 0
3 years ago
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