Come si converte il 25% in una frazione nella forma più semplice?
Come si converte il 25% in una frazione nella forma più semplice? Risposta: #25%=1/4# Spiegazione: #25%=(25)/100=(25xx1/5)/(100xx1/5)=(5xx1/5)/(20xx1/5)=1/4#
Susana
What is a chemical reaction that absorbs heat from the surrounding? Does this reaction have a neutral, positive or negative #DeltaH# at constant pressure?
What is a chemical reaction that absorbs heat from the surrounding? Does this reaction have a neutral, positive or negative #DeltaH# at constant pressure? Risposta: Negativo Spiegazione: #ΔH # is change in entalpia. When energy is input into the system (heat) #ΔH # will have a positive value. Valori positivi di #ΔH # tell us … Leggi tutto