Chemistry, 27.11.2019 06:31 oKINGDEROo
A32.8 g iron rod, initially at 22.4 c, is submerged into an unknown mass of water at 63.1 c, in an insulated container. the final temperature of the mixture upon reaching thermal equilibrium is 59.1 c. what is the mass of the water?
Answers: 1
Chemistry, 22.06.2019 13:10
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 18:30
What volume of a 0.0606 m solution of strontium bromide is needed to obtain 0.340 mol of the compound? question 42 options: a)5.61 l b) 3.4 l c) 600 ml d) 1 l e) 178 ml
Answers: 1
Chemistry, 22.06.2019 20:00
Which of the following would not diffuse through the plasma membrane by means of simple diffusion? 1 oxygen 2 glucose 3 a steroid hormone 4 a lipid soluble vitamin
Answers: 3
Chemistry, 23.06.2019 06:20
Examine the false statement. compounds are the smallest unit of an element that occur most commonly in nature. select the rewording of the statement that is true. a: atoms are the smallest unit of an element that commonly occur in nature. b: molecules are the smallest unit of an element or compound that commonly occur in nature. c: molecules are the smallest unit of a compound that occur on the periodic table. d: compounds are the smallest unit of an element that occur on the periodic table
Answers: 1
A32.8 g iron rod, initially at 22.4 c, is submerged into an unknown mass of water at 63.1 c, in an i...
Mathematics, 16.09.2020 14:01
Mathematics, 16.09.2020 14:01
Mathematics, 16.09.2020 14:01
Mathematics, 16.09.2020 14:01
Mathematics, 16.09.2020 14:01
Mathematics, 16.09.2020 14:01
Mathematics, 16.09.2020 14:01
Mathematics, 16.09.2020 14:01
Mathematics, 16.09.2020 14:01
Mathematics, 16.09.2020 14:01
Social Studies, 16.09.2020 14:01
Mathematics, 16.09.2020 14:01
English, 16.09.2020 14:01
Mathematics, 16.09.2020 14:01
Mathematics, 16.09.2020 14:01
Mathematics, 16.09.2020 14:01
History, 16.09.2020 14:01
Mathematics, 16.09.2020 14:01
Mathematics, 16.09.2020 14:01
Mathematics, 16.09.2020 14:01