Chemistry, 27.07.2019 15:20 Naysa150724
The atomic number of barium is 56. what do you know about the subatomic particles in an atom of this element ?
Answers: 1
Chemistry, 22.06.2019 08:00
Me i dont know what to do! the table compares the number of electrons in two unknown neutral atoms. comparison of electrons atom number of electrons a 10 d 11 use this information to determine the number of valence electrons in the atoms. which of the following correctly compares the stability of the two atoms? both are unreactive. both are highly reactive. a is unreactive and d is reactive. a is reactive and d is unreactive.
Answers: 1
Chemistry, 22.06.2019 20:30
The activation energy for the reaction no2(g)+co2(g)⟶no(g)+co(g) is ea = 300 kj/mol and the change in enthalpy for the reaction is δh = -100 kj/mol . what is the activation energy for the reverse reaction?
Answers: 3
Chemistry, 22.06.2019 23:30
What are the similarities between compounds and mixtures?
Answers: 3
The atomic number of barium is 56. what do you know about the subatomic particles in an atom of this...
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