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2 years ago

9

While analyzing a fingerprint, the forensic expert identified a ridge that had a short arm originating from it. Which ridge char

acteristic is this likely to be?

1 answer:

Diano4ka-milaya [45]2 years ago

7 0

The answer is spur, hope this helped (:

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How many mol of sodium hydroxide are required to make 1.35 L of 2.50 mL solution?

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2 years ago

Predict the boiling point of water at a pressure of 1.5 atm.

Lina20 [59]

Answer:

100.8 °C

Explanation:

The Clausius-clapeyron equation is:

$ln\frac{P_{1} }{P_{2}} =$ -Δ $\frac{H_{vap}}{r} (\frac{1}{T_{2}}-\frac{1}{T_{1}} )$

Where 'ΔHvap' is the enthalpy of vaporization; 'R' is the molar gas constant (8.314 j/mol); 'T1' is the temperature at the pressure 'P1' and 'T2' is the temperature at the pressure 'P2'

Isolating for T2 gives:

$T_{2}=(\frac{1}{T_{1}} -\frac{Rln\frac{P_{2}}{P_{1}} }{Delta H_{vap}}$

(sorry for 'deltaHvap' I can not input symbols into equations)

thus T2=100.8 °C

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2 years ago

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ra1l [238]

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3 years ago

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It would be D. silicate

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2 years ago

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2 years ago

Read 2 more answers