Chemistry, 11.04.2021 20:50 mirellaenriquez5529
Se enfría un bloque de aluminio de los 500° C a los 40° C. ¿Cuál es la masa del bloque si pierde 90 kcal de calor?
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An atom with 7 protons, 6 neutrons, and 7 electrons has an atomic mass of amu. (enter a whole number.) numerical answers expected! answer for blank 1:
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How much energy is required to vaporize 2 kg of copper? a 4730 kj b 207kj c 9460 kj d 414kj
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Assume that 13.5 g solid aluminum (al) react with hcl to produce solid aluminum chloride (alcl3) salt and gaseous hydrogen (h2) at standard temperature and pressure.
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Amodel of an atom is shown below. which element is represented by this model of an atom? boron, carbon, neon, or sodium?
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Se enfría un bloque de aluminio de los 500° C a los 40° C. ¿Cuál es la masa del bloque si pierde 90...
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