Answer:
Hydrogen, 0,2 mol
Explanation:
= 22, 4 l/mol
V (
) = 6,72
= 6,72 l
V (
) = 6,72
= 6,72 l
The formula is:
n = 
n (
) = 6,72l /22,4 l/mol = 0,3 mol
n (
) = 6,72l /22,4 l/mol = 0,3 mol (the same)
But from the equation we get a proportion that 1 mol (
) - 3 mol (
)
(we have more hydrogen than is need for the reaction)
So there is excess of 
We only need
= 0,1 mol (
)
0,3 mol (hydrogen quantity we have) - 0,1 mol (hydrogen quantity we need for the reaction) = 0,2 mol (excess)
make me the brainliest
Answer:
m = 1538.5 g
Explanation:
To answer this question, use the equation for specific heat:

Where q is the total heat energy, m is the mass, c is the specific heat of the substance (in this case water), and delta T is the temperature change.
You will be expected to know the specific heat of water, which is 4.186 J/g/C. Using the information in the question:

The final answer, 1538.5 g, is closest.
The best example I
can give that is observable but does not contain matter is:
sunlight or simply light
Light does not contain matter because it is a beam of energy
or to be specific made up of packet of photons.
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Answer:
Explanation:
Cheese, Meat, dough, Sauce