Rock that has been moved by wind is water is

0.103 g of Zn (s) is combined with 50.0 mL HCl in a reaction vessel, the temperature changes from 22.5oC to 23.7oC. What is the ΔHof for the Zn2 + (aq). Use q = CmΔT, the C for liquid water (4.18 J/g oC), and the density of 1.

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In lab an experiment was performed to determine the empirical formula of magnesium oxide. Two trials were performed. Trial 1 had an initial mass of magnesium metal of 355 g. Trial 2 had an initial mass of magnesium metal of 0.299 g.

For the reaction 2 s (s) + 3 o2 (g) → 2 so3 (g), how much so3 can be produced from 4 g o2 and excess s? 1. 0.25 mol so3 2. 0.13 mol so3 3. 0.06 mol so3 4. 0.08 mol so3 5. 0.17 mol so3

What is MC2 minus 8? A. MC2 B. 4 C. 9 D. None of the above

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Jose gets up from his seat on the bus to move closer to the front. Just as he begins to walk forward, the bus stops at a light.

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