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Ket [755]
4 years ago
10

The reaction ch4 (g) + 2 o2 (g) ? co2 (g) + 2 h2o (g) is: the reaction ch4 (g) + 2 o2 (g) co2 (g) + 2 h2o (g) is: an exothermic

reaction. a redox reaction. a combustion reaction. all of the above none of the above
Chemistry
1 answer:
barxatty [35]4 years ago
5 0
All of the above
_______________________________________________
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Can someone assist me with this chemistry question please?​
telo118 [61]

Answer:

490 J.

Explanation:

The following data were obtained from the question:

Mass (m) = 5 Kg

Height (h) = 10 m

Acceleration due to gravity (g) = 9.8 m/s²

Potential energy (P.E) =..?

Potential energy is the energy stored in a body by virtue of its location. Mathematically, it can be expressed as:

P.E = mgh

Where:

m is the mass of the object measured in kilograms (Kg).

g is the acceleration due to gravity and the value is 9.8 m/s².

h is the height to which the object is located measured in metre (m)

P.E is the potential energy measured in joule (J).

With the above formula, we can obtain the potential energy possed by the object as follow:

P.E = mgh

P.E = 5 x 9.8 x 10

P.E = 490 J

The,the potential energy possed by the object is 490 J

5 0
3 years ago
Examine the following electron configuration:
maksim [4K]

Answer:

The answer to 12 is Indium... you should be able to figure out the rest from there with help from the internet since i've given you the element

Explanation:

I would usually do it but I got a ton of hw

5 0
3 years ago
Which body system is NOT a part of the excretory system?
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I think the answer is C respiratory system
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.Over a period of 1,000 years, a lake becomes a maple forest. Is this process primary or secondary succession? Explain your answ
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Answer:

It is secondary succession.

Explanation:

primary succession only occurs in areas where there was no previous ecosystem

4 0
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Given an element with seven valence electrons, how many chemical bonds will usually form?
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a

Explanation:

4 0
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