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mr Goodwill [35]
3 years ago
11

You fill two balloons with gas, one with hydrogen and one with carbon dioxide. You hold a match to each balloon. The hydrogen ba

lloon explodes in a small fireball. The carbon dioxide balloon pops where the match burns it, but nothing else happens. How can you explain this?
A. Hydrogen contains chemical energy and carbon dioxide does not.
B. Hydrogen is a reactant and carbon dioxide is a product.
C. The carbon dioxide smothered the match before it could start a fire.
D. The match did not have enough activation energy to light the carbon dioxide.
E. Hydrogen was able to participate in an exergonic reaction and carbon dioxide couldn’t.
Physics
1 answer:
miv72 [106K]3 years ago
4 0

Answer:E. Hydrogen was able to participate in an exergonic reaction and carbon dioxide couldn't

Explanation:

An exergonic reaction releases energy to the environment. The combustion of hydrogen contained in the balloon is a chemical reaction. The reaction can take place because hydrogen combines with oxygen in air, that is, the gas is combustible. CO2 does not support combustion, it does not combine with oxygen in air and it is also denser than air, hence does not participate in the exergonic reaction.

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krek1111 [17]
<h2>Answer:</h2>

4.2 C

<h2>Explanation:</h2>

The charge (Q) moving is the product of the current(I) flowing through the torso of the person and the time taken (t) for the flow.

i.e

Q = I x t

Where;

I = current = 14.0A

t = time taken  = 0.0300s

Substituting the values of I and t into the equation above gives

Q = 14.0 x 0.0300

Q = 4.2 C

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3 years ago
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270/70^2  = x/80^2

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3 years ago
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Cloud [144]

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The net force = 0

Explanation:

The given information includes;

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The net force, F_{(net)} = F_{(helicopter)}↑ - F_w↓ = 2,452.5 N - 2,452.5 N = 0

The net force = 0.

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