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Andrei [34K]
3 years ago
11

Why methylene blue is blue

Chemistry
1 answer:
bixtya [17]3 years ago
7 0

Methylene blue indicates the presence of oxidizing agents because it is oxidized itself by these compounds. When electrons are stripped from methylene blue, the resulting molecule imparts a blue color to the solution--giving a clear sign of a chemical change.

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What is the empirical formula of a compound containing 12 g of carbon, 2 g of hydrogen, and 16 g of oxygen only
Hoochie [10]

Answer:

The empirical formula=CHO. To explain it is C1H1O1 but we don't put the one that's why it is CHO

Explanation:

7 0
3 years ago
Using the process of photosynthesis, describe how carbon and oxygen cycles interact
Alex777 [14]
In photosynthesis, plants take in carbon dioxide and turn it into energy that comes out as oxygen.
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3 years ago
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is this information about magnesium true symbol..mg number..12 atomic mass..24.305 number of protons 12.... PLZ HELP :)
maxonik [38]
Yes, that is all correct! 

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3 0
3 years ago
What is the temperature of CO2 gas if the average speed (actually the root-mean-square speed) of the molecules is 750 m/s?
erastova [34]

Answer:

992.302 K

Explanation:

V(rms) = 750 m/s

V(rms) = √(3RT / M)

V = velocity of the gas

R = ideal gas constant = 8.314 J/mol.K

T = temperature of the gas

M = molar mass of the gas

Molar mass of CO₂ = [12 + (16*2)] = 12+32 = 44g/mol

Molar mass = 0.044kg/mol

From

½ M*V² = 3 / 2 RT

MV² = 3RT

K = constant

V² = 3RT / M

V = √(3RT / M)

So, from V = √(3RT / M)

V² = 3RT / M

V² * M = 3RT

T = (V² * M) / 3R

T = (750² * 0.044) / 3 * 8.314

T = 24750000 / 24.942

T = 992.302K

The temperature of the gas is 992.302K

Note : molar mass of the gas was converted from g/mol to kg/mol so the value can change depending on whichever one you use.

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3 years ago
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Sunny_sXe [5.5K]

Answer:  Well then I guess Sara is having a good breakfast

Explanation: what was the point of this question?

6 0
3 years ago
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