Answers: 3
Chemistry, 22.06.2019 13:10, Jana1517
The last few miles of the marathon are the most difficult for heather, her hair plastered to her head, sweat clinging to her arms, and her legs already feeling as if they had nothing left, just dead weight. after grabbing a cup of ice water, she feels the ice cubes smash against her nose as she gulps some cool refreshment and keeps on running. in these last few miles, the breeze kicks up and she finally feels some coolness against her skin. drips of sweat, once clinging to her forehead, now spill down, and heather feels more pain as the sweat flows into her eyes. which of the following is the most likely reason why the ice struck heather’s nose when she took a drink? a) water can function as a solvent. b) water can store large amounts of heat. c) water can moderate temperatures through evaporative cooling. d) the density of water decreases when it freezes. e) water has a cohesive nature. sweat remained on heather’s forehead and arms because of the a) high salt content of sweat b) cohesive nature of water c) ability of water to moderate heat d) high evaporative cooling effect of water e) ability of water to act as a solvent
Answers: 1
Chemistry, 22.06.2019 19:50, mikaylaaaaa
If a gas has an initial pressure of 101kpa and a volume of 10l, then it expands to a volume of 20l, what is the new pressure?
Answers: 2
Chemistry, 23.06.2019 11:30, ssuereichard
If this sedimentary rock layer is truly the oldest one of marine origin, what do you think that tells usabout the formation of earth's oceans?
Answers: 2
Chemistry, 23.06.2019 23:40, briarkaltvedt
Calculate the volume of chlorine gas at room condition, required for combustion with 0.46 g sodium in chlorine gas. [ ram for cl = 35.5, na = 23, 1 mole gas occupy 24 dm³ mol-1 at room condition] ans : 0.24 dm³
Answers: 1
Gone with him, I love you all very much and I want to tell you something. Take these free points and...
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