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faltersainse [42]
3 years ago
11

What did early Greeks believe the world was made of

Chemistry
1 answer:
timurjin [86]3 years ago
3 0

Answer: made up of an infinite number of indestructible atoms in unpredictable motion.

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The cycle in which water is changed and distributed to other areas is called
Readme [11.4K]

Answer: a.  water cycle

Explanation:

A water cycle can be define as the cycle of water in which water in various states like solid, liquid and gaseous forms circulates in different spheres of the earth. It describes how water evaporates from the surface of earth, the water vapors accumulate in the atmosphere, these water vapors become cool and condense in the form of rain or other kind of precipitations. The water cycle plays an important role in changing the weather condition of a region.

6 0
3 years ago
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I'm having trouble balancing these. Can you help me​
AlekseyPX

Answer:

Oh Okay

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4 0
2 years ago
2. How many grams of water can be heated from 20.0 oC to 75oC using 12500.0 Joules?
kenny6666 [7]

Answer;

  = 0.054 kg or 54 g

Explanation;

Using the equation; Q = mcΔT where Q is the quantity of heat transferred, m is the mass, c is specific heat of the substance, ΔT is delta T, the change in temperature.  

ΔT = 75 - 20 = 55 C.  

Solve the equation for m  

m = Q/ cΔT

Mass = 12500 / (55 × 4200)

        = 0.054 kg or 54 g


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3 years ago
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4. A student was not sure that she accurately recorded the final temperature of her melting point sample. Therefore, she decided
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What is the result of a neutralization reaction between nitric acid (HNO3) and potassium hydroxide (KOH)?
scZoUnD [109]
HNO3+KOH = H2O+KNO3 . When nitric acid react with pottasuim hydroxide, the reaction will produce water (H20) and pottasuim trioxonitrate
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