Chemistry, 02.07.2019 23:30 ashleyrobinsonorjuui
(03.03 hc) the following image shows a pencil submerged in a glass of water. a friend thinks that the pencil is broken. how would you explain that the pencil only appears to be broken? (3 points) image of pencil in glass of water being refracted, if picture necessary, select one: a. light slows down as it moves from the air in to the water, resulting in refraction, or a bending of light. b. light speeds up as it moves from the air to the water, resulting in refraction, or a bending of light. c. light speeds up as it moves from the air to the water, resulting in reflection, or a bouncing of light. d. light slows down as it moves from the air to the water, resulting in reflection, or a bouncing of light.
Answers: 1
Chemistry, 22.06.2019 01:40
Which characteristic of water it form droplets? a. low specific heat b. nonpolar structure c. high surface tension d. ability to dissolve substances
Answers: 1
Chemistry, 22.06.2019 02:10
When 225mg of anthracene, c14h10(s), was burned in a bomb calorimeter the temperature rose by 1.75k. calculate the calorimeter constant. by how much will the temperature rise when 125mg of phenol, c6h5oh(s), is burned in the calorimeter under the same conditions? (δch< (c14h10,s)=–7061 kj mol−1.)
Answers: 3
Chemistry, 22.06.2019 20:10
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
(03.03 hc) the following image shows a pencil submerged in a glass of water. a friend thinks that th...
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