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Allushta [10]
3 years ago
5

An exothermic reaction is a chemical reaction where heat is

Chemistry
2 answers:
ch4aika [34]3 years ago
3 0
Emitted/given off. exo is a way to remember that is is going away. think of a flame. the heat is emitted off onto you.
Aleks04 [339]3 years ago
3 0
Emitted/give enough is the correct answer
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What is the IUPAC name for the compound shown?
Anna [14]

Answer:

2,2,3-trimethyl-pentane

Explanation:

The longest chain is 5 carbons so the parent chain is a pentane. There are two methyl groups coming off the second carbon in the chain and 1 methyl group coming off the 3rd carbon in the chain. In total there are 3 methyl groups, hence we get 2,2,3-trimethyl-pentane.

3 0
2 years ago
The two electrons in a helium atom occupy
IRINA_888 [86]

Answer:

the answer is A

Explanation:

4 0
3 years ago
Please help me I don’t understand this !!!
alexira [117]

Answer:

The real answer for a is-He(helium)4,002602

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3 years ago
The quartz in granite begins to melt at 650°C, so if we find a migmatite where quartz has melted in a granitic rock and we know
Elanso [62]

Answer:

d. 26.0 km

Explanation:

If the temperature in the region increases with depth by about 25 °C /km, then at a depth of 2 km the temperature would be 50 °C higher, at a depth of 3 km the temperature would be 75 °C higher and so on.

<u>The only way for finding melted quartz would be if the temperature is at least 650 °C.</u>

  • Temperature = 25 °C /km * Depth

We put the data given by the problem and <u>solve for Depth</u>:

  • 650 °C = 25 °C /km * Depth
  • Depth = 26.0 km
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4 years ago
List down 3 Filipino world-class instrumentalists.<br>1.<br>2.<br>3.​
skad [1K]

Answer:

1)Joy Ayala

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Sana Makatulong

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