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Vladimir [108]
3 years ago
6

What are the uses of the periodic table? >what are the use of periodic table ​

Chemistry
1 answer:
valkas [14]3 years ago
5 0
Scientists use the periodic table to quickly refer to information about an element, like atomic mass and chemical symbol. The periodic table's arrangement also allows scientists to discern trends in element properties, including electronegativity, ionization energy, and atomic radius.
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Morgan wants to compare the weather conditions at her school each day during the week. She decides to measure and record weather
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Why does hot water freeze faster than cold water?
weeeeeb [17]
<h2>Answer:</h2>

<u>Temperature dependency is responsible for the process that hot water freeze faster than cold water.</u>

<h2>Explanation:</h2>

The effect given above is called Mpemba Effect. According to this idea hot water freezes more quickly as compared to cold water. But until now there is no convincing explanation for this strange phenomenon.  One idea is that hot containers make better thermal contact with a refrigerator and so conduct heat more efficiently because a good conductor is good fro the transfer of heat. Another idea about this effect is that warm water evaporates more quickly and since this is an endothermic process, it cools the water making it freeze more quickly.

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3 years ago
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write a sentence about the evidence for plate tectonics contained in rock layers and global topography.
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2 years ago
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How many kJ to hear 0.700 pint of room temp water to boiling
irina1246 [14]
Use the equation Q = mCT.

Q is the amount of energy in joules.

m is the mass in grams.

C is the specific heat of water (4.184 J/g °C).

T is the change in temperature.

0.700 pints = 331.224 g of water

Q = (331.224 g)(4.184 J/g °C)(100° C - 30° C)

Q = 97,008.885 J

Divide by 1,000 to convert to kilojoules:

97.009 kJ
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What type of soil has the most permeability
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Gravel and sand are the most permeable, making them good aquifer materials. Gravel has the highest.
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