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12. Observa la gráfica siguiente, correspondiente a una determinada sustancia:
a. ¿Se trata de una gráfica de calentamiento o de enfriamiento? ¿Por qué?
b. ¿Qué cambios de estado tienen lugar?
c. ¿Cuánto valen los puntos de fusión y ebullición de la sustancia?
Answers: 2
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In positive numbers less than 1, the zeros between the decimal point and a non-zero number are blank significant
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Photoelectrons with a maximum speed of 6.50 x 107 m/s are ejected from a surface in the presence of light with a frequency of 6.75 x 1014hz. if the mass of an electron is 9.10 x 10-31 kg, calculate in joules the maximum kinetic energy of a single electron. 3.84 x 10-15 j 1.92 x 10-15 j 5.92 x 10-23 j 3.07 x 10-16 j
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12. Observa la gráfica siguiente, correspondiente a una determinada sustancia:
a. ¿Se trata de una...
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