Sí se añaden 250 mL de una disolución de HCl 0.03 M a 650 mL de una disolución 0.02 M de KOH ¿Cuál será el pH de la disolución resultante? Considera que el volumen final es la sula de los volúmenes de las disoluciones utilizadas y que la reacción de neutralización es: HCl + KOH KCl + H2O

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Select the correct answer how does the heat content of the reaction change in the process of photosynthesis when a glucose molecule is formed? ca the value of is negative the value of qis positive the value of a remains constant the value of a decreases the value of equals zero e

Great amounts of electromagnetic energy from our sun and other bodies in space travel through space. which is a logical conclusion about these electromagnetic waves? their energy must be very their frequency must be very low these waves can travel without a medium they only travel through a vacuum of space

Insoluble sulfide compounds are generally black in color. which of the following combinations could yield a black precipitate? check all that apply. na2s(aq)+kcl(aq) li2s(aq)+pb(no3)2(aq) pb(clo3)2(aq)+nano3(aq) agno3(aq)+kcl(aq) k2s(aq)+sn(no3)4(aq)