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What is the value of analyzing foreign trade data? For example, what should the quadrupling in real terms of exports in just 30
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Hydrogen is burned in oxygen to release heat. How many grams of hydrogen gas must be burned to release enough heat to warm a 50.0 g block of iron, giving 5 mol of water? 2 H2(g) + O2(g) → 2 H2O(g) ΔH = −484 kJ Iron has a specific heat of 0.449
To find the unit rate, simply divide how much you earned by the # of hours you worked so: 27.40/4=6.85/h So you make $6.85/h
Why don't you read your textbook and figure it out? There are examples. but anyways: y=x^2 is a parabola, so after you draw a standard parabola, just count 6 units left for each points.

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