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2 years ago

Which energy source has been developed and improved by chemists?

Chemistry

2 answers:

Nostrana [21]2 years ago

8 0

Nuclear hope this helps

Alex_Xolod [135]2 years ago

5 0

Answer:Explained

Explanation:

The following energy has been developed and improved by chemists

Nuclear energy
coal gas
gasoline
Ethanol
Kerosene
Propane

Anything which includes chemical reaction has been developed by chemists to utilize the hidden energy.For example Nuclear energy

If proper reactions and controlled environment is given then a huge amount of energy can be generated from Radioactive elements.

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Why does hard water taste better than distilled water?

Maurinko [17]

Answer:

because hard water is salty

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3 years ago

What does it mean for a strong base to be in equilibrium

bonufazy [111]

The position of equilibrium lies far to the right, with products being favored.

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3 years ago

250 ml glass of lemon juice contains 20 grams of sugar. How much sugar is in 500 ml bottle

iren2701 [21]

There is 40 g of sugar in a 500 ml bottle of lemon juice

<h3>Further explanation</h3>

The concentration of a substance can be expressed in several quantities such as moles, percent (%) weight/volume,), molarity, molality, parts per million (ppm) or mole fraction. The concentration shows the amount of solute in a unit of the amount of solvent.

the concentration of sugar in lemon juice :

$\tt \dfrac{20~g}{250~ml}=0.08~g/ml$

So for 500 ml juice :

$\tt 500\times 0.08=40~g~sugar$

5 0

2 years ago

What was the name for the secret code used by many alchemists?

ahrayia [7]

Answer:

A. Zodiac

B. Palingenesis

C. Palabra mysteria

D. Decknamen

The correct answer is D. Decknamen.

Explanation:

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2 years ago

Brainllest! Why are they called hot air balloons and not cold air balloons? Be sure to use the terms density, volume, and mass i

Feliz [49]

Hot air balloons have hot air inside them, which is less dense as the air around it. Thus it rises. A cold air balloon would sink because the air would be more dense than the air around it. Also, the balloon’s volume would vary in size depending on the weight of the balloon.

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2 years ago