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Sergeeva-Olga [200]
2 years ago
6

A chemical reaction that takes in heat is called: exothermic endothermic a phase change

Chemistry
2 answers:
notka56 [123]2 years ago
8 0

Hello! Here is the answer: Endothermic I hope this helped. Your fellow Brainly user, GalaxyGamingKitty

AlladinOne [14]2 years ago
7 0
It would be Endothermic. 
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What is the independent variable for a dry ice experiment
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The independent variable is a variable that is being manipulated or controlled. This is to see how it affects, changes and yields the outcome of the particular stimuli. 

The dry ice experiment has an IV of temperature and a DV of melting time.
3 0
3 years ago
Magnesium has three naturally occurring isotopes with masses of 23.99 amuamu, 24.99 amuamu, and 25.98 amuamu and natural abundan
bonufazy [111]

Answer:

24.309 g/mol

Explanation:

To get the atomic mass, all we have to do is calculate with the masses of the three isotope, the real quantity present, taking account of the percent and then, do a sum of these three values. Like a pondered media.

For the first isotope:

23.99 * (78.99/100) = 18.95 g/mol

For the second isotope:

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For the last isotope:

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Now, let's sum all three together

AW = 18.95 + 2.499 + 2.86

AW = 24.309 g/mol

3 0
3 years ago
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Atoms try to have the same number of protrons and electrons. True or false
Dima020 [189]

Answer:

False

Explanation:

8 0
3 years ago
Which thunderstorms hazard caused more than 450 deaths in Florida between 1959 and 2013
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Thunderstorms between Tampa and titusville
3 0
3 years ago
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The population of worms in a garden ecosystem is decreasing. The population of birds will most likely _____.
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Answer:

The population of birds would Decrease

Explanation:

A birds main source of food  include: Insects, worms, and grubs. Seeds, grasses, and plant material. Nectar and pollen

It also depends on what bird it is but with any species if there main source of food decrease then they decrease or move out of the area.

Hope this helps

3 0
2 years ago
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