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Oxana [17]
3 years ago
5

Solid mercury (II) oxide produces liquid mercury and oxygen gas

Chemistry
1 answer:
Nina [5.8K]3 years ago
7 0

Mercury(II) oxide, a red solid, decomposes when heated to produce mercury and oxygen gas. Mercury(II) oxide is a red solid. When it is heated, it decomposes into mercury metal and oxygen gas. A reaction is also considered to be a decomposition reaction even when one or more of the products are still compounds.

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What color is the start of the rainbow?
zheka24 [161]

Rainbows go in the order of ROYGBIV, which is an acronym for red, orange, yellow, green, blue, indigo, violet.

So, it would start off with red.

If you want to know why it starts off the rainbow, its because red has the longest wavelength, compared to the rest of the colors. (sorry I'm rambling, I got excited)

Hope this helps.

4 0
4 years ago
Chrysanthenone is an unsaturated ketone. If Chrysanthenone has M+ = 150 and contains 2 double bond(s) and 2 ring(s); what is its
snow_lady [41]

Answer:

the Molecular formula will be; C10H14O

Explanation:

Given the data in the question;

Chrysanthenone is an unsaturated ketone,

it has M+ = 150 and contains 2 double bond(s) and 2 ring(s).

molecular formula = ?

we know that ketone contain 1 oxygen and mass of oxygen is 16

so mass of the C and H remaining will be;

⇒ 150 - 16 = 134

Now we determine the number of C atoms;

⇒ 134 / 13 = 10

hydrocarbon with 10 hydrogen atom have CnH2n+2 means

⇒ ( 10 × 2 ) +2 = 22 hydrogens

But then we have 3 unsaturation meaning 6 hydrogens less and also we have ring meaning 2 more hydrogens

⇒ 22 - 6 - 2 = 14

Hence the Molecular formula will be; C10H14O

4 0
3 years ago
You just found a metallic object in a creek bed. You have found its mass to be 96.5 g, and it displaces 5 mL of water. What is t
LiRa [457]
I believe the substance would be gold. 
8 0
4 years ago
Read 2 more answers
How many total chlorine atoms are in the formula 4NaCl
postnew [5]

Answer:

4 Chlorine atons

Explanation:

4 molecules of NaCl

In NaCl we have only 1 atom of Cl

Therefore in 4 molecules, we have 4 atoms of Cl.

please mark brainliest

7 0
3 years ago
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D, I think.
Because the bedroom is closer to the windows where is cold and wind went through, while the kitchen is a hot spots.
3 0
4 years ago
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