Chemistry, 21.11.2020 03:30, aomoloju4202

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Chemistry, 22.06.2019 08:30, melikefood01

Sally is making a model of a magnesium atom with an atomic mass number of 24 for her chemistry class. she has foam balls for the protons, neutrons, and electrons. she has added 6 neutrons to her model so far. how many more neutrons does she need to add to complete her neutral atom of magnesium?

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Chemistry, 22.06.2019 16:50, mathiscool7

Ajet plane is speeding down the runway during takeoff. air resistance is not negligible. identify the forces on the jet.

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Chemistry, 22.06.2019 20:00, edamite12

Suppose that some of the compound spilled out of the crucible after it was heated. would that cause the percent by mass of water in the compound determined by the experiment to be too low, too high, or unchanged? briefly explain your answer.

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Chemistry, 22.06.2019 20:10, jakhunter354

The lattice enthalpy (formation of ionic solid from ions in the gas phase) for agcl(s) is -916 kj/mol and the hydration enthalpy (dissolution of gaseous ions into water) is -850 kj/mol. how much heat (in joules) is involved in forming 1l of saturated agcl solution (1.8 × 10-4 g / 100 ml water) by dissolving agcl(s)? assume solution volume does not change much upon dissolution. the equations are given below. ag+(g) + cl−(g) æ agcl(s)

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