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7. (Unimep-SP) Mergulham-se dois termômetros na água: um
graduado na escala Celsius e outro...
Chemistry, 10.03.2021 01:50 Tcareyoliver
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7. (Unimep-SP) Mergulham-se dois termômetros na água: um
graduado na escala Celsius e outro na escala Fahrenheit
Espera-se o equilíbrio térmico e nota-se que a diferen-
ça entre as leituras nos dois termômetros é igual a 92
A temperatura da água valerá, portanto:
a) 28 °C; 120 °F
d) 75 °C; 167 °F
b) 32 °C; 124 °F
e) 0 °C; 92 °F
c) 60 °C; 152 °F
Answers: 3
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Aaspirin has a density of 1.40 g/cm^3 what is the volume in cubic centimeters of a tablet weighing 320 mg?
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Why is soap used to remove grease? a. its nonpolar end dissolves the grease. b. it makes the water bond with the grease. c. it chemically bonds with the grease. d. its polar end dissolves the grease.correct answer for apex - a, its nonpolar end dissolves the grease.
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Which of the following is true about a carbonated soft drink? . the carbon dioxide is the solvent, and water is the solute.. the water is the solution, and carbon dioxide is the solvent.. the carbon dioxide is the solution, and the water is the solvent.. the water is the solvent, and the carbon dioxide is the solute.. .
Answers: 1
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The table compares the number of electrons in two unknown neutral atoms. comparison of electrons atom number of electrons a 9 d 11 use this information to determine the number of valence electrons in the atoms. which of the following correctly compares the stability of tthe table compares the number of electrons in two unknown neutral atoms. comparison of electrons atom number of electrons a 9 d 11 use this information to determine the number of valence electrons in the atoms. which of the following correctly compares the stability of the two atoms? both are unreactive. both are highly reactive. a is unreactive and d is reactive. a is reactive and d is unreactive.
Answers: 3
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