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Evgesh-ka [11]
3 years ago
7

Why does wood burn with a flame when it is a solid fuel

Chemistry
1 answer:
Assoli18 [71]3 years ago
8 0
1) Substances ( Solid<span>, Liquid, Gases ) which produce vapors will </span>burn<span> with </span>flame<span>. ... A yellow </span>flame<span> is produced during incomplete combustion of a substance. In Kerosene stove if yellow </span>flame<span> is observed then it indicates the incomplete combustion which may be due to the insufficient supply of oxygen gas. is it from researching so good luck :D </span>
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Suppose a species of snake is living in a certain area. Some of the snakes in the population are black and some are orange. Over
dybincka [34]

Answer:

The black snakes will survive and reproduce while the orange snakes die out.

Explanation:

The orange snakes will be easier to see by their prey and predators, and therefore will die out while the black snakes thrive because of their camouflage.

6 0
3 years ago
Read 2 more answers
An ideal gas in a 1.25-gallon container is at a temperature of 125 degrees Celsius and pressure of 2.5 atmospheres. If the gas i
Tresset [83]
You will need the equation PV = nRT

P = Pressure in kPa
V = Volume in L
n = moles
R = 8.314 (constant)
T = Temperature in Kelvin 

First convert 2.5 atm into kPa:

2.5 X 101.3 = 253.25 kPa

Convert 125 Celsius into Kelvin:

125 + 273 = 398 K

Convert Gallons to Litres:

1.25  X 3.79 = 4.74 L

Plug your values into the equation to solve for n:

(253.25)(4.74) = n(8.314)(398)

n = (253.25)(4.74)/(8.314)(398)

n = 0.362 moles

Now use M = m/n to solve for the mass of O2

M = Molar Mass 
M = mass
n= moles

32 = m/(0.362)

m = (32)(0.362) 

m = 11.58g
8 0
3 years ago
PLEASE HELP ME
ki77a [65]

Answer:

1.15 atm

Explanation:

According to Dalton's law of partial pressures, the total pressure is the sum of all the partial pressures of the gases present in the mixture.

Therefore we have:

Total pressure = partial pressure of carbon monoxide + partial pressure of oxygen + partial pressure of carbon dioxide

We were given the following:

Total pressure = 2.45 atm

Pressure of oxygen = 0.65 atm

Pressure of carbon monoxide = x

Pressure of carbon dioxide = 0.65 atm

Therefore:

2.45 = x + 0.65 + 0.65

2.45 = x + 1.3

x = 2.45 - 1.3

x = 1.15 atm

6 0
3 years ago
How many moles of c6h12o6 are consumed if 6 moles of o2 are consumed
Mrac [35]
C₆H₁₂O₆, or glucose, is oxidized in the presence of oxygen to form carbon dioxide and water. The reaction equation for this is:
C₆H₁₂O₆ + 6O₂ → 6CO₂ + 6H₂O
Therefore, if 6 moles of oxygen are consumed, we can see from the equation that one mole of C₆H₁₂O₆ will be consumed.
3 0
3 years ago
At which instance contain 1 molecule of substances from following?
Black_prince [1.1K]

Answer:

can I have brainleis answer pls I'm new

6 0
2 years ago
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