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photoshop1234 [79]
3 years ago
15

What two compounds form when hydrocarbons burn completely

Chemistry
1 answer:
Alina [70]3 years ago
7 0
CO2 AND H2O  e.g.                                                                                                       C3H8+5O2=3CO2+H2O
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What color or colors of light are transmitted by a piece of yellow glass?
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Answer:

So combining blue with yellow light is like combining blue light with red and green light. The result of combining these three primary colors of light is to produce white light.

Explanation:

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PLEASE HELP!!!! Two science questions!!!! 20 points and brainliest!!!
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<span>1. A cylinder is submerged in water as illustrated in the diagram. Which of the following statements is true?

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san4es73 [151]

Answer:

What will happen to Uk if you double the mass?

Explanation:

Uk = 0.5 * m * v²

You see that both m and v are variable, which means that both m and v can be any number. Regardless of the numbers you put in for m or v, the formula to calculate the kinetic energy (Uk) remains valid.

You could ask

1. What will happen to Uk if you double the mass?

2. What will happen to Uk if you double the velocity?

please see and understand(!) that the relationship between Uk an v² is indeed the velocity squared....

EXTRA

Uk = 0.5 * m * (v)²

Suppose the m = 3kg and velocity = 5 m/s

What is the Uk?

Well if you know the formula you can use your calculator to find out:

Uk = 0.5 * m * (v)²

Uk = 0.5 * 3 * (5)²

Uk = 0.5 * 3 * 25

Uk = 37.5 kgm/s²

Again you ask what will happen to Uk if you double the velocity?

At first it was 5 m/s and now it doubles, which means it now has that value *2

The new velocity is 5 *2 = 10 m/s

Uk = 0.5 * m * (v)²

Uk = 0.5 * 3 * (10)²

Uk = 0.5 * 3 * 100

Uk = 150 kgm/s²

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So now you see that if you double your velocity, the Uk will be 2² = 4 times as big !

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