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Yakvenalex [24]
3 years ago
12

Which list includes three forms of energy?

Chemistry
2 answers:
Leni [432]3 years ago
8 0

(1) chemical, mechanical, electromagnetic

loris [4]3 years ago
5 0
 I think the correct answer from the choices listed above is option 1. The list that includes three forms of energy would be chemical, mechanical and electromagnetic. Pressure and temperature are not energy. Hope this answers the question. Have a nice day.
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Look up a chart on electromagnetic radiation if you need further help.
4 0
4 years ago
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Morgan and Lily are studying the density of substances. After determining a block's mass and volume, they determine its density
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3 0
3 years ago
Which compound has the same empirical and molecular formula ethyne ethene ethane methane?
Margaret [11]
Empirical formula is the simplest ratio of whole numbers of components in a compound 
molecular formula is the actual ratio of components in a compound .
the molecular formula for the compounds given are as follows
ethyne  - C₂H₂
ethene - C₂H₄
ethane - C₂H₆
methane - CH₄
the actual ratios of the elements                 simplified ratio
                     C : H                                           C : H
ethyne            2:2                                             1:1
ethene            2:4                                             1:2
ethane            2:6                                             1:3
methane         1:4                                             1:4
the only compound where the actual ratio is equal to the simplified ratio is methane 
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6 0
3 years ago
a 32 gram radioactive sample has a half-life of 2 days how much of the original sample remains after 6 days
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6/2 = 3 

to get the ending amount of radioactive sample, we have

32g x (1/2)³ = 4 grams of radioactive sample ⇒ the amount left after 6 days


3 0
3 years ago
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DIA [1.3K]
Silver is in a compound as a reactant, but is a pure element as a product.

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3 years ago
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