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Ede4ka [16]
3 years ago
5

Pls help Plot the point (5,9)

Chemistry
2 answers:
Varvara68 [4.7K]3 years ago
6 0
Go five across the x axis, then go nine straight up from there
elena-s [515]3 years ago
4 0
All u do is go to 5 and up nine and just put a little cross
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Do you think that the human being is the center of the universe?
Andrej [43]
I think that the sun is the center of the universe, not a human being. Everything revolves around the sun, not someone. U know when to sleep, when the time is, and when to wake up based on the sun. All the planets revolve around it. This is why I think the sun is the center of the universe, not a human being.
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3 years ago
Which two things affect how a lens refracts light?
Romashka-Z-Leto [24]

Answer:

Explanation:

the correct answer is A

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3 years ago
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At a certain temperature the vapor pressure of pure heptane C7H16 is measured to be 454.mmHg. Suppose a solution is prepared by
OlgaM077 [116]

Answer:

Mass of heptane = 102g

Vapor pressure of heptane = 454mmHg

Molar mass of heptane = 100.21

No of mole of heptane = mass/molar mass = 102/100.21

No of mole of heptane = 1.0179

Therefore the partial pressure of heptane = no of mole heptane *Vapor pressure of heptane

Partial pressure of heptane = 1.0179*454mmHg

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the partial pressure of heptane vapor above this solution = 462mmHg

5 0
3 years ago
True or false a measurement must include a unit
Arturiano [62]

<u>HI :)</u>

True

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6 0
3 years ago
The isotope 106 46Pd (106 on top and 46 on bottom)
vazorg [7]

Answer:

4. 60 neutrons.

Explanation:

The given isotopes;

         ¹⁰⁶₄₆Pd

In this isotope, we can deduce that the mass number is the superscript and the atomic number is the subscript;

     Mass number  = 106

     Atomic number  = 46

Mass number is the number of protons and neutrons in an atom;

       Mass number = Protons + neutrons

Atomic number is the number of protons

   

So,  Number of protons  = 46

Number of neutrons  = Mass number  - Atomic number

                                    = 106  - 46

                                     = 60

Number of neutrons  = 60

7 0
3 years ago
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