Is this balanced? Can you write redox half equations? What is the oxidation state of $N$ in nitrous oxide? What is species is oxidized and what species is reduced?
Physical changes are changes in the formation or state of molecules and atoms. The arrangement of the molecules and atoms is different after the change but the chemical composition of...
$2NH_4Cl + Na_2O(s) rarr 2NaCl(s)+2NH_3(g)uarr +H_2O(l)$ This is simply an acid base reaction.......i.e. $O^(2-) + 2H^+ rarr H_2O(l)$ Ammonium is the carrier for the acidium ion, $H^+$..... And the...
Water has a $3$ coeeficient. Is the equation stoichiometrically balanced? If not, then it should be. The oxide ion is dibasic, and reacts with 2 equiv $H^+$ to give the...
Chemical change is characterized by the formation of new substances, and the making and breaking of strong chemical bonds. Usually this is signalled by a colour change, though some few...
This is because potassium has a valency of just 1+ and, since sulphate ions have a valency of 2-, two potassium ions are required per sulphate ion in order for...
You really have to make a meal out of these redox equations. Permanganate ion (STRONGLY COLOURED PURPLE) could be reduced to almost colourless $Mn^(2+)$.... $stackrel(+VII)[MnO_4]^(-) +8H^(+) + 5e^(-) rarr Mn^(2+)...
Three equiv of hydrogen react with 1 equiv of nitrogen to give one equiv ammonia. Of course, I could double this reaction to remove the 1/2 coefficients, but the will...
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