KBr + AgNO3 → KNO3 + AgBr Zn + 2HCI - H2 + ZnCl2 MgCO3 → MgO + CO2 2Fe(OH)3 - Fe2O3 + 3H20 Na2CO3 + Ca(OH)2 → CaCO3 + 2NaOH AgNO3 + HCl → AgCl + HNO3 Out of the chemical equations above, how many is (are) considered as a double replacement reaction? _​

What is the correct lewis structure for chloroform chcl3

Name the element in group 17, period 2. (periodic table)

The table compares the number of electrons in two unknown neutral atoms. comparison of electrons atom number of electrons a 9 d 11 use this information to determine the number of valence electrons in the atoms. which of the following correctly compares the stability of tthe table compares the number of electrons in two unknown neutral atoms. comparison of electrons atom number of electrons a 9 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.