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lakkis [162]
2 years ago
7

Which of the following statements is NOT true about combustion reactions?

Chemistry
1 answer:
marissa [1.9K]2 years ago
8 0

Answer:

The answer is option C..

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PLEASE PLEASE HELP ME
Sav [38]

Answer:

Water

Explanation:

Water is included as a compound!

5 0
2 years ago
How are elements in the last column of the periodic table similar?
maks197457 [2]
D could be the answer
7 0
3 years ago
Determine a massa, em kg, de um material que está contida em um volume de 18L. Sabe-se que a densidade do material é de 0,9 g/cm
suter [353]
The question in English is "<span>Determine the mass, in kg, of a material that is contained in a volume of 18L. It is known that the material density is 0.9 g/cm 3"

Answer: 
</span>
We can use a simple equation to solve this problem. <span>
    d = m/v</span><span>

<span>Where </span>d <span>is the density, </span>m <span>is the mass and </span>v is the volume.

d = </span>0.9<span> g/cm³
m = ?
v = </span>18 L = 18 x 10³ cm³<span>

By applying the equation,
<span>    0.9 g/cm³ = m / </span></span>18 x 10³ cm³<span>
                  m = 0.9 g/cm³ x </span>18 x 10³ cm³<span> 
<span>                  </span>m = 16200 g
                  m = 16.2 kg

Hence, the mass of 18 L of material is 16.2 kg.</span>
6 0
2 years ago
Water is<br> A. Acidic<br> B. Basic<br> C. Neutral
Mariana [72]

Water acts as an acid (donates H+) when it reacts with a stronger base, say sodium hydroxide. Water acts as a base (accepts H+) when it reacts with a stronger acid, say hydrochloric acid. If the medium is water, water, having a pH of 7, is considered neutral.

8 0
2 years ago
Energy produced by the sun and stars comes from
Delicious77 [7]

Answer:

It's heat energy

Explanation:

which is transmitted through radiation.  The sun warms us.

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2 years ago
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