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amjad

This page lists questions and answers that were posted by visitors named amjad.

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The following questions were asked by visitors named amjad.

how many HCl needed to dissolve 1 grams of Al2O3.
10 years ago

Answers

The following answers were posted by visitors named amjad.

Your answer: 130 km/hr The change in velocity is the final velocity minus the initial velocity which in this case is adding the 80 km/hr arrow to the negative of the 50 km/hr arrow. This makes both the arrows point in the same direction, so the magnitudes...
7 years ago
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