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A brass pendulum keeps correct time at 20°C. How many seconds will it lose or gain at 0° C?
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The first-order reaction a→2b+c has rate constant 0.538 s−1. if the initial concentration of a is 0.867 mol l−1, what is the half-life of the reaction in seconds? remember to use correct significant figures in your answer (round your answer to the nearest hundredth). do not include units in your response.
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A brass pendulum keeps correct time at 20°C. How many seconds will it lose or gain at 0° C?...
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