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serious [3.7K]
2 years ago
12

What color does blue brown and red make

Chemistry
1 answer:
photoshop1234 [79]2 years ago
7 0

Answer:

dark brown with a hint of purple

have a good day :)

Explanation:

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What amount of carbon dioxide (in moles) is produced from the reaction of 2.24 moles of ethanol with excess oxygen?
algol13

Answer : The amount of carbon dioxide produced is, 197.12 grams.

Explanation : Given,

Moles of ethanol = 2.24 mole

Molar mass of carbon dioxide = 44 g/mole

The balanced chemical reaction will be,

C_2H_5OH+3O_2\rightarrow 2CO_2+3H_2O

First we have to calculate the moles carbon dioxide.

From the balanced chemical reaction, we conclude that

As, 1 mole of ethanol react to give 2 moles of carbon dioxide

So, 2.24 mole of ethanol react to give 2\times 2.24=4.48 moles of carbon dioxide

Now we have to calculate the mass of carbon dioxide.

\text{Mass of }CO_2=\text{Moles of }CO_2\times \text{Molar mass of }CO_2

\text{Mass of }CO_2=4.48mole\times 44g/mole=197.12g

Therefore, the amount of carbon dioxide produced is 197.12 grams.

8 0
2 years ago
If you had a bottle that contained 5.69x1024 molecules of water, how many
Valentin [98]
Yeah what the other person said ^
6 0
2 years ago
OS-182 has a half-life of 3.6 days. If a sample started at 175 grams, how much would be led after 18 days?
hodyreva [135]
I think c is correct answer
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3 0
3 years ago
Read 2 more answers
Silicon has a relatively large latent heat of vaporization of 12800 J/g. This indicates that silicon has:
beks73 [17]
I believe it means that it takes a lot of heat in joules to make silicon vaporize so it stays solid until a great deal of heat has been added. By comparison, water has a latent heat of about 2260 joules per gram so vaporizes much more readily than silicon.
3 0
3 years ago
Write the symbol for the missing reactant.
Tcecarenko [31]

There is a shortcut trick while doing such fill in the blanks of nuclear reactions of hydrogen and helium

Let a,b,care elements of set N

\\ \rm\Rrightarrow {}^{a}_1 H+{}^b_1H={}^c_2He\dots

  • Here c must be a+b+1

Now

for our question

  • c=4
  • a=3

Hence b=4-3+1=1+1=2

So

The missing place should b e deuterium of heavy water

In nuclear reactions energy is released so it's mentioned on product side not reactant side

5 0
1 year ago
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