Chemistry, 04.06.2020 17:57, mendezmarco2004
A student puts a glass of water in the freezer. Later, he notices ice forming on the surface of the water. Which property of water best explains why ice forms on its surface?
A.
Ice has more surface tension than liquid water.
B.
Ice is less dense than liquid water.
C.
Ice has a lower freezing point than liquid water.
D.
Ice is more cohesive than liquid water.
E.
Ice can dissolve more oxygen than liquid water.
Answers: 3
Chemistry, 22.06.2019 20:00, denaemarie02
Nitrogen dioxide decomposes according to the reaction 2 no2(g) ⇌ 2 no(g) + o2(g) where kp = 4.48 × 10−13 at a certain temperature. if 0.70 atm of no2 is added to a container and allowed to come to equilibrium, what are the equilibrium partial pressures of no(g) and o2(g)
Answers: 2
Chemistry, 22.06.2019 20:10, sarahalexa19
Suppose you mix one mole of sulfuric acid (h2so4) with 1 mole of sodium hydroxide(naoh). why does the ph of the solution remain below 7? ( explain so i can get better understanding! )
Answers: 2
Chemistry, 22.06.2019 20:10, maddie1776
Insoluble sulfide compounds are generally black in color. which of the following combinations could yield a black precipitate? check all that apply. na2s(aq)+kcl(aq) li2s(aq)+pb(no3)2(aq) pb(clo3)2(aq)+nano3(aq) agno3(aq)+kcl(aq) k2s(aq)+sn(no3)4(aq)
Answers: 1
A student puts a glass of water in the freezer. Later, he notices ice forming on the surface of the...
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