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lakkis [162]
3 years ago
6

_ NaBr + __ H3PO4 → ___ Na3PO4 + __ HBr

Physics
1 answer:
algol [13]3 years ago
3 0

Answer:

The balanced equation is 3NaBr+1H3PO4 ----> 1Na3PO4 + 3HBr

This is a double replacement because you are switching both the Na and the Hydrogen.

Explanation:

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A 450g mass on a spring is oscillating at 1.2Hz. The totalenergy of the oscillation is 0.51J. What is the amplitude.
Volgvan

Answer:

A=0.199

Explanation:

We are given that  

Mass of spring=m=450 g==\frac{450}{1000}=0.45 kg

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Energy of oscillator=E=\frac{1}{2}m\omega^2A^2

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