Chemistry, 13.04.2021 14:10 sanociahnoel
Distingue las siguientes transformaciones en físicas o químicas:
a) Una fruta se pudre b) Un líquido rompe a hervir
c) El motor de un patinete eléctrico d) Un motor de gasoil funcionando
e) Cocer unas patatas f) La luz emitida por las luciérnagas
Answers: 1
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Apiece of copper has a temperature of 75.6 0c. when the metal is placed in 100.0 grams of water at 19.1 0c, the temperature rises by 5.5 0c. what is the mass of the metal?
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Chemistry, 23.06.2019 04:00
Achemical reaction is done in the setup shown , resulting in a change of mass. what will happen if the same reaction is done in a sealed container that is placed on the electronic balance?
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A2-kg bowling ball is 1 meter off the ground on a post when it falls. just before it reaches the ground,its traveling 4.4 m/s. assuming that there is no air resistant, which statement is true a. the initial potential energy is less then the final kinetic energy b. the mechanical energy is not conserved c. the mechanical energy is conserved d. the initial potential energy is greater than the final kinetic energy
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Chemistry, 23.06.2019 19:30
Which of the following is true about science? select one: a. it is not influenced by social conditions. b. it is not determined by external local factors. c. political conditions are unable to influence it. d. economic concerns may prevent it from solving problems.
Answers: 1
Distingue las siguientes transformaciones en físicas o químicas:
a) Una fruta se pudre b) Un líquid...
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