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Pavlova-9 [17]
4 years ago
12

A cheetah can go from a state of resting to running at 20 m/s in just two seconds. What is the cheetah's average acceleration?

Chemistry
1 answer:
soldier1979 [14.2K]4 years ago
8 0

Answer:

D is answer ..... !!!!!!!!.......!!!!!!#.#.....

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Ionic solids—Made up of positive and negative ions and held together by electrostatic attractions. They're characterized by very high melting points and brittleness and are poor conductors in the solid state. An example of an ionic solid is table salt, NaCl.
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3 years ago
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A salt bridge: Question 3 options: provide a pathway through which the electrons travel from the cathode to the anode. provide a
Vesnalui [34]

Answer:

The correct option is: provide a source of counterions to prevent the build-up of charge at both the cathode to the anode.

Explanation:

A salt bridge is a U-shaped glass tube that is used in a voltaic cell or galvanic cell to connect the oxidation and reduction half-cells and complete the electric circuit.

<em>It allows the ions to pass through it, thus preventing the accumulation of charge on the anode and cathode as the chemical reaction proceeds.</em>

<u />

Therefore, the correct option is: <u>provide a source of counterions to prevent the build-up of charge at both the cathode to the anode.</u>

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3 years ago
Where are the metals located on the periodic table? the nonmetals?
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Answer:

The metals are located on the left and the non-metals are located on the right.

Explanation:

Hope this helps :)

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3 years ago
PLEASE POINTS!!!!!
Vinil7 [7]
Density = mass divided by volume
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Look at the picture above. what method is used to separate the different parts of crude oil?
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Answer:

A very special way of separation called FRACTIONAL DISTILLATION will be used to separate various components from Crude oil.

Fractional distillation is the separation of a mixture into its component parts, or fractions. Chemical compounds are separated by heating them to a temperature at which one or more fractions of the mixture will vaporize. It uses distillation to fractionate.

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3 years ago
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