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Mrac [35]
2 years ago
13

The picture shows an aerialist walking on a tightrope and holding a balancing bar. An action-reaction pair of forces exist betwe

en—
A- the two ends of the rope
B- the rope and the balancing bar
C- the aerialist feet and the rope
D- the aerialist arms and legs.

Chemistry
1 answer:
noname [10]2 years ago
3 0

Answer:

C

Explanation:

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Determine the enthalpy for this reaction: Al(OH)3(s)+3HCl(g)→AlCl3(s)+3H2O(l)
ivanzaharov [21]
<span>Important information to solve the exercise :
Substance ΔHf (kJ/mol):
HCl(g)= −92.0 </span><span>kJ/mol
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</span><span>Al(OH)3(s)+3HCl(g)→AlCl3(s)+3H2O(l)
    reactants                         products

products- reactants:</span><span>

(−705.6) + (3 x −285.8) - ( −1277.0 ) - (3 x −92.0 ) = - 10.0 </span>kJ per mole at 25°C
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2 years ago
What does D represent?
alexandr1967 [171]

Answer:

the lowest point of energy the the graph reaches

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How do minerals affect igneous rock formations?
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