Chemistry, 20.01.2020 03:31 1230bering
If you could place a piece of sold silver into a container of liquid silver, would it float or sink? explain your answer
Answers: 1
Chemistry, 22.06.2019 10:00
Which sentence about particles in matter is true? a. atoms are present in solids and liquids but not in gases. b. the particles of matter are in constant motion. c. the same kinds of atoms are found in different elements. d. when a solid changes to a liquid, the sizes of the particles change.
Answers: 1
Chemistry, 22.06.2019 19:50
Which sentence from holes contains an implied personality trait? stanley and his parents had tried to pretend that he was just going away to camp for a while, just like rich kids do. he'd just been in the wrong place at the wrong time. stanley felt somewhat dazed as the guard unlocked his handcuffs and led him off the bus. stanley nodded to show he understood
Answers: 3
Chemistry, 24.06.2019 06:00
The reaction of methane with water to form carbon dioxide and hydrogen is nonspontaneous at 298 k. at what temperature will this system make the transition from nonspontaneous to spontaneous? the following data are valid at 298 k: ch4(g) + 2h2o(g) co2(g) + 4h2(g) substance: ch4(g) h2o(g) co2(g) h2(g) δh°f (kj/mol): –74.87 –241.8 –393.5 0 δg°f (kj/mol): –50.81 –228.6 –394.4 0 s°(j/k • mol):
Answers: 2
Chemistry, 24.06.2019 06:50
Which of these best explains the ability of small insects to walk on the surface of still water? a.) water molecules at the surface experience fewer hydrogen bonds than water molecules within the liquid b.) the insects’ feet are coated with ionic compounds c.) water has a very high specific heat d.) water molecules near the surface produce more buoyant force than water molecules within the liquid the answer was not d.
Answers: 1
If you could place a piece of sold silver into a container of liquid silver, would it float or sink?...
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