¿Está bien decir que toda sustancia orgánica proviene de seres vivos?. ¿Para el estudio de la química, por que se realiza una división entre las sustancias inorgánicas y orgánicas?. ¿Durante este curso profundizaremos en el estudio de qué sustancias?

In pqr m< p=60 m< q= 30 and m

What rule is used to determine how many covalent bonds an element can form? a. the number of covalent bonds is equal to six c the number of covalent bonds is equal to five minus the group number plus the group number b. the number of covalent bonds is equal to eight d. none of the above minus the group number select the best answer from the choices provided

For the reaction shown, calculate how many moles of no2 form when each of the following completely reacts. 2n2o5(g)→4no2(g)+o2(g) part a 1.0 mol n2o5 express your answer using two significant figures. nothing mol m o l request answer part b 5.4 mol n2o5 express your answer using two significant figures.