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STatiana [176]
3 years ago
14

Select all that apply.

Physics
2 answers:
slega [8]3 years ago
7 0
A chemist is likely to:
<span>1. analyze the ingredients in ice cream
</span><span>2. determine how to separate gasoline from other substances in petroleum</span>
Shkiper50 [21]3 years ago
5 0

Answer: Analyze the ingredients in ice cream.

Determine how to separate gasoline from other substances in petroleum.

Explanation:

A chemist is a scientist who posses the knowledge of the discipline chemistry. The chemists studies the properties of the chemicals or any other matter present in nature. A chemist can perform testes to identify and quantify substances found miscible in the mixture.

Among the options given, the following are the correct options.

Analyze the ingredients in ice-cream.: The chemist can perform chemical tests to identify and quantify the ingredients present in the ice-cream.

Determine how to separate gasoline from other substances in petroleum.: The petroleum or crude oil can include other volatile substances such as gasoline therefor, suitable chemical extraction processes can be performed to separate such volatile substances.

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What is the difference between diatomic and poly-atomic molecules? Site some examples.
Olegator [25]
Their difference lies in the prefix used before each root word, atom. The diatomic molecules are composed only of 2 atoms such as that of the diatomic elements: H2, O2, N2, Cl2, etc. On the other hand, polyatomic molecules are made up of three or mole atoms such as NH4+, H2SO4, etc. 
8 0
3 years ago
I have a doubt on heat and temperature. I need help with this science question and here the question: The water in a lake just r
Volgvan

Answer:

you can't go ice skating on it because if it just reached the temp then you need to wait for about 2 hours

Explanation:

5 0
3 years ago
A cooking pot is sitting in a kitchen for several hours unused. Why does it feel cold when you touch it?
masha68 [24]

Answer:

I would go with 2

Explanation:

But i would also not go with my answer. Lol

8 0
3 years ago
Referring to the above diagram, how high will the ball rise on the right-hand incline?
Marina CMI [18]
I think it’s 15cm
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3 0
3 years ago
A(n) 30 kg boy rides a roller coaster. The acceleration of gravity is 9.8 m/s 2 . With what force does he press against the seat
forsale [732]

Answer:

Force, F = 187.42 N

Explanation:

It is given that,

Mass of boy, m = 30 kg

Acceleration due to gravity, a=9.8\ m/s^2

Radius of curvature of the roller coaster, r = 15 m

Speed of the car, v = 7.3 m/s

The force acting on the boy are force of gravity and the centripetal force. The net force acting on him is as follows :

F=mg-\dfrac{mv^2}{r}

F=m(g-\dfrac{v^2}{r})

F=30\times (9.8-\dfrac{(7.3)^2}{15})

F = 187.42 N

So, he press against the seat with a force is 187.42 N. Hence, this is the required solution.

5 0
3 years ago
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