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weqwewe [10]
3 years ago
13

A car is moving at 12 m/s and has a mass of 600kg. What is the kinetic energy of the car.

Chemistry
1 answer:
zepelin [54]3 years ago
8 0
4300kg•m^2/s^2

HOPE IT HELPS
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If the pressure of a gas is 100 kPa when the volume is measured to be 500 mL. What pressure would need to be exerted to have the
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Answer:

p2=125 kpa

Explanation:

Using Boyle's law

p1 x v1 = p2 x v2

p1=100kpa

v1=500ml

p2=?

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p2= (100x500)\400

p2=125 kpa

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4 years ago
What kind of changes occur between atoms when substances undergo chemical reactions?
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The atoms undergo chemical changes.

New substances may be a product of the reaction.
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A 1.0 M H2S solution has a pH = 3.75 at equilibrium. What is the value of Ka?
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which statement best describes a mole? it is 12 units of a given substance. it contains 6.02 1023 grams of sodium chloride. it i
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Answer:

The correct option is;

It contains 6.02 × 10²³ particles of a given substance

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The General Conference on Weights and Measures defines the mole as the amount of a substance that contains 6.02214076 × 10²³ units of entities

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Answer: The correct answer is- Replication of DNA ( deoxyribonucleic acid) must happen before a body cell can begin mitotic cell division.

Mitotic division is a type of cell division in which a parent cell divides two identical daughter cells ( through a series of five stages that is- prophase, metaphase, anaphase, telophase, and cytokinesis) having same number of chromosomes as that of the parental cell.

It occupies the second stage of cell cycle, the first being interphase ( which has three stages that is G1, S, and G2 phase). Replication of DNA takes place in the interphase ( particulary in the S phase) so that cell is ready to divide in the mitotic phase.

Thus, replication of DNA ( deoxyribonucleic acid) must happen before a body cell can begin mitotic cell division.


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3 years ago
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