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Hatshy [7]
4 years ago
7

Given the balanced equation representing a reaction:

Chemistry
1 answer:
velikii [3]4 years ago
7 0
The answer is (1) the reaction is exothermic because it releases heat. From the reaction, we can see that the heat is at the right of the equation which means the reaction releases heat. So it is called exothermic reaction. Endothermic reaction absorbs heat.
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Which comparison accurately states why phylogenetic trees based on molecular data can be more informative than those based on mo
Romashka [77]


Molecular data is more informative than morphology because this examines the DNA sequence and protein composition. This then provide a more comprehensive detail on what species are more related and distant with one another. .  
Thank you for your question. Please don't hesitate to ask in Brainly your queries. 
6 0
3 years ago
The Lewis dot model of a molecule is shown.
Katen [24]

Answer:

Carbon has a total of four bonded pairs of electrons around it.

Explanation:

Since there are four "lines" around the C (which stands for Carbon), we can conclude that Carbon has a total of four bonded pairs of electrons around it.

3 0
3 years ago
I will do anything if someone answers this like pleaseeee ...?
Musya8 [376]
I’d say C. It more inconsistent than D.
D & C are quite close.

Answer: C
7 0
4 years ago
In the following reaction, how many moles of H2O are created when 7 moles of oxygen are consumed?
notka56 [123]

Answer:

C

Explanation:

You can see in the chemical equation that 7 O_{2} are used up to produce 6H_{2}O

4 0
3 years ago
Help plz:)))I’ll mark u Brainliest
finlep [7]

Answer:

11690J

Explanation:

Use formula Q = mL

where:

Q = Energy (J)

m = Mass (g)

L = Latent heat of fusion for water (J/g) = 344J/g

Therefore:

Q = 35.0 x 344

Q = 11690J

7 0
3 years ago
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