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sdas [7]
3 years ago
5

What is the difference between speed and velocity?

Chemistry
1 answer:
Amanda [17]3 years ago
6 0

Answer:

(B) direction

Explanation: Speed is the time rate at which an object is moving along a path, while velocity is the rate and direction of an object's movement.

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Which lists the elements in order from least conductive to most conductive?
andreev551 [17]

Answer:

The last one because the first one is the most conductive so if you reverse its least conductive

Explanation:

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3 years ago
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It refers to the cracked sections of the earth's crust.
poizon [28]

Answer:

Plates

Explanation:

The Earth's crust is broken up into sections called plates. Tectonic plates are on the mantle which allow them to move.

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2 years ago
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The fuel used to power the booster rockets on
Effectus [21]

Answer:

746 moles of H2O are been produced from 373 moles of Al.

Explanation:

For every 3 moles of aluminum, you get 6 moles of H2O (double). Therefore, every 373 moles of Al, you will get double as well, that is 746 m.

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3 years ago
How many atoms of carbon are in a container that has 0.450 mol of CO2 and 2.55 mol of CaC2?
Fantom [35]

Answer:

The number of carbon atoms in the container is 1.806 × 10²⁴ or the container contains 1.806 × 10²⁴ atoms of carbon

Explanation:

By Avogadro's number, 1 mole of a substance contains 6.02 × 10²³ particles of the substance

Here we have 0.45 mole of CO₂ contains

0.45 × 6.02 × 10²³ particles of CO₂ that is 2.709 × 10²³ particles of CO₂ or equivalent to 2.709 × 10²³ atoms of Carbon

Similarly, 2.55 moles of CaC₂ contains 2.55 × 6.02 × 10²³ particles of CaC₂ or 1.5351 × 10²⁴ atoms of Carbon

The total number of carbon atoms is therefore;

2.709 × 10²³ + 1.5351 × 10²⁴ = 1.806 × 10²⁴ atoms of carbon.

5 0
3 years ago
What is true about energy in an ordinary chemical reaction? Energy is
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The answer is statement #3.
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3 years ago
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