Question
In: Chemistry
6. Open the PhET States of Matter Simulation to answer the following questions: (a) Select the...
6.
Open the PhET States of Matter Simulation to answer the following questions:
(a) Select the Solid, Liquid, Gas tab. Explore by selecting different substances, heating and cooling the systems, and changing the state. What similarities do you notice between the four substances for each phase (solid, liquid, gas)? What differences do you notice?
(b) For each substance, select each of the states and record the given temperatures. How do the given temperatures for each state correlate with the strengths of their intermolecular attractions? Explain.
(c) Select the Interaction Potential tab, and use the default neon atoms. Move the Ne atom on the right and observe how the potential energy changes. Select the Total Force button, and move the Ne atom as before. When is the total force on each atom attractive and large enough to matter? Then select the Component Forces button, and move the Ne atom. When do the attractive (van der Waals) and repulsive (electron overlap) forces balance? How does this relate to the potential energy versus the distance between atoms graph? Explain.
Solutions
queen_honey_blossom answered 1 year agoRelated Solutions
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Part A
In the PhET simulation, select the solute in the dropdown menu
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values to display the concentration of each solution. By
setting the Solution Volume slider bar to the
minimum and the Solute Amount slider bar to the
top, you can maximize the number of saturated solutions you
create.
List the following compounds in order of increasing...
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to throw out a speeding ticket
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coefficients.)
(a) Al(s) +
Cr2O72−(aq) →
Al(OH)3(s) +
Cr(OH)4−(aq) (state: Oxidation
reaction/ Reduction reaction/ Net equation)
(b) ClO3−(aq) +
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Balance the following in basic solution. (Omit states-of-matter from your answer. Use the lowest possible whole...
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from your answer. Use the lowest possible whole number
coefficients.) (a) Al(s) + Cr2O72?(aq) ? Al(OH)3(s) + Cr(OH)4?(aq)
(state: Oxidation reaction/ Reduction reaction/ Net equation) (b)
ClO3?(aq) + Cu(OH)2(s) ? ClO4?(aq) + CuOH(s) (state: Oxidation
reaction/ Reduction reaction/ Net equation) (c) NO3?(aq) + H2(g) ?
NO(g) (state: Oxidation reaction/ Reduction reaction/ Net
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