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yulyashka [42]
3 years ago
8

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Chemistry
1 answer:
tensa zangetsu [6.8K]3 years ago
6 0

Answer:

fjajgjjsjdjfsnndnfnsnfnbansfngjajjfhfsjjtgk

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Water’s unique properties, high heat capacity, high density, solid phase less dense than liquid phase can be attributed to
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B- The polarity of the molecules and hydrogen bonding between molecules.

Explanation:

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Atomic weight of lithium ?
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6.941

Explanation:

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Acetylene, C2H2, can be converted to ethane, C2H6, by a process known as hydrogenation. The reaction is C2H2(g) + 2H2(g) ⇌ C2H6(
sukhopar [10]

Answer:

-255.4 kJ

Explanation:

The free energy of a reversible reaction can be calculated by:

ΔG = (ΔG° + RTlnQ)*n

Where R is the gas constant (8.314x10⁻³ kJ/mol.K), T is the temperature in K, n is the number of moles of the products (n =1), and Q is the reaction quotient, which is calculated based on the multiplication of partial pressures by the partial pressure of the products elevated by their coefficient divide by the multiplication of the partial pressure of the reactants elevated by their coefficients.

C₂H₂(g) + 2H₂(g) ⇄ C₂H₆(g)

Q = pC₂H₆/[pC₂H₂ * (pH₂)²]

Q = 0.261/[8.58*(3.06)²]

Q = 3.2487x10⁻³

ΔG = -241.2 + 8.314x10⁻³x298*ln(3.2487x10⁻³)

ΔG = -255.4 kJ

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3 years ago
2.0x10^24 atoms of S to moles (3.3)
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Olin [163]

Answer:

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Explanation:

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