Ascientist wanted to test the relationship between pressure, force, and area to confirm that pressure equals force/area. he discovered that if the area was increased during the experiment, the pressure decreased. assume that many trials were conducted and the force was kept constant. based on the experiment, what relationship exists between area and pressure
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Chemistry, 23.06.2019 07:30
If you try to move a piano and are unable to move it, did you perform any work in the scientific sense of the word? yes or no?
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Chemistry, 23.06.2019 10:10
Solid tin exists in two forms: white and gray. for the transformation sn(s, white) → sn(s, gray) the enthalpy change is -2.1 kj/mol and the entropy change is -7.4 j/(mol*k). a. calculate the gibbs free energy change for the conversion of 1.00 mol white tin to gray tin at -30℃. b. will white tin convert spontaneously to gray tin at -30℃? c. at what temperature are white and gray tin thermodynamically equivalent at a pressure of 1 atm?
Answers: 3
Chemistry, 23.06.2019 17:10
Two changes are described below. a green banana turns yellow and ripens. a layer of rust forms on an iron nail. which statement is true about the two changes? a) both are chemical changes because new substances are formed. b) both are physical changes because only the physical state of the substances change. c) a is a physical change due to a change of state, but b is a chemical change because new molecules are formed. d) a is a chemical change due to a change of state, but b is a physical change because new molecules are formed.
Answers: 1
Chemistry, 23.06.2019 22:50
Sugars in a polysaccharide are linked together by bonds to a nitrogen atom a carbon atom an oxygen atom a sulfur atom
Answers: 1
Ascientist wanted to test the relationship between pressure, force, and area to confirm that pressur...
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