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2 years ago

ANSWER FAST, EASY POINTS

Chemistry

2 answers:

Papessa [141]2 years ago

8 0

thanks 4 da easy points

abruzzese [7]2 years ago

4 0

Answer:

Water molecules pull the sodium and chloride ions apart, breaking the ionic bond that held them together. After the salt compounds are pulled apart, the sodium and chloride atoms are surrounded by water molecules, as this diagram shows. Once this happens, the salt is dissolved, resulting in a homogeneous solution.

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Methane burns in oxygen to produce carbon dioxide and water. Which of the following represents

Brut [27]

Answer:

Explanation:

CH4+O2-CO2+ H20

that mean methane has burn in oxygen to produce CO2

8 0

3 years ago

suppose that you are comparing several objects. is it correct to say that the object with the largest volume has the largest mas

Semmy [17]

Answer:

Explanation:

It is not correct to say that an object with the largest volume has the largest mass.

Mass and volume are not directly related. In fact, the relationship between them can be direct or inverse.

Mass is the amount of matter in a substance. Volume is the space a body occupies.

A balloon and a stone for example is a typical one.
A balloon has more volume but far lesser mass compared to a stone.
A stone, gravel sized has low volume but more massive than a balloon.

Therefore, it is wrong to say a balloon has more mass because it has more volume.

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2 years ago

In reality, energy conversion from burning fuel is never 100% efficient. Significant loss of energy due to heating occurs. If th

algol [13]

Answer:

Electrical energy = 130000000 J and Heat energy = 520000000 J

Explanation:

Multiply the amount of joules from the last question (650000000) by .20 and .80. (Which are the percentages)

6 0

2 years ago

The reaction that is carried out by the enzyme catalase produces __________. The reaction that is carried out by the enzyme cata

Mnenie [13.5K]

Answer:

(a) $H_{2}O$ (b) $CO_{2}$

Explanation:

The reaction that is carried out by the enzyme catalase produces $H_{2} O$

The reaction that is carried out by the enzyme catalase produces $CO_{2}$

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2 years ago

What is the difference between a contractor and a starter

Lunna [17]

"A contactor is a electrically controlled switch which uses an electromagnetic coil to pull in the contacts.”

"A motor starter is a contactor, plus an overload relay that will drop out the coil voltage if the motor overloads. If there is not overload relay, it is not a starter any longer, it's back to being just a contactor."

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3 years ago