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3 years ago

ANSWER ASAPP What causes the motion of particles? And more energy equals what?

Chemistry

1 answer:

STALIN [3.7K]3 years ago

4 0

Answer:

particles in solids are always vibrating (moving back and forth) in place the vibrational motion of particles in solids is kinetic energy heat makes the particles in a solid vibrate faster, giving them more kinetic energy faster-vibrating particles bump into one another more often and hit each other harder

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Why do planets rotate around our sun

Andrei [34K]

Answer:

the most basic way i can put it is..

Explanation:

the planets rotate around the sun is because the gravity of the sun keeps them in their orbits. if the sun wasnt there, the earth would literally just travel in a straight line. but the gravity of the sun alters its course, making it travel around the sun.

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2 years ago

Which of these is not an example of a biotic part of the ecosystem? a. grass b. birds c. insects d. weather

Natasha_Volkova [10]

Weather. I'm pretty sure.

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3 years ago

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The chemical equation for a reaction between K2Cr2O7 and HCl is shown. K2Cr2O7 + 14HCl → 2CrCl3 + 2KCl + 3Cl2 + 7H2O

guapka [62]

Answer: The correct answer is Option b.

Explanation:

Oxidizing agent is defined as the chemical reagent which helps the other chemical compound to get oxidized and itself gets reduced. The oxidation state for these species gets reduced because they are undergoing reduction reaction.

For the given chemical equation:

$K_2Cr_2O_7+14HCl\rightarrow 2CrCl_3+2KCl+3Cl_2+7H_2O$

Oxidation state of Chromium is getting reduced from +6 to +3 and oxidation state of chlorine getting increased from -1 to 0.

Hence, $K_2Cr_2O_7$ acts like and oxidizing agent because it is itself getting reduced to $CrCl_3$

Therefore, the correct answer is Option b.

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3 years ago

Which of the following can be seen as a result of the Earth's tilt?

Lorico [155]

The seasons will change.

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3 years ago

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Describe the Rutherford model... and and what are its limitation... going offline forever ✌️

SashulF [63]

Answer:

Limitations of Rutherford Atomic Model

Although the Rutherford atomic model was based on experimental observations it failed to explain certain things. Rutherford proposed that the electrons revolve around the nucleus in fixed paths called orbits. ... Ultimately the electrons would collapse in the nucleus.

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