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cestrela7 [59]
3 years ago
14

450 ft to meters (show work)

Chemistry
1 answer:
erica [24]3 years ago
4 0

Answer:

450 ft is equal to 137. 16 metres.

1 foot is equal to 0.3048

so you'll just multiply 450 to 0.3048

so the answer is 137.16

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A 0.1375-g sample of solid magnesium is burned in a constant-volume bomb calorimeter that has a heat capacity of 3024 J/°C. The
Anna35 [415]

Answer:

-24.76 kJ/g; -601.8 kJ/mol

Explanation:

There are two heat flows in this experiment.

Heat from reaction + heat absorbed by calorimeter = 0

             q1                +                     q2                         = 0

           mΔH             +                    CΔT                        = 0

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Calculations:

0.1375ΔH + 3024 × 1.126 = 0

           0.1375ΔH + 3405 = 0

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ΔH = -24.76 kJ/g ×24.30 g/mol = -601.8 kJ/mol

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