Writing and balancing chemical equations

(i) Suggest, giving a reason for each, two different safety precautions that should be taken when carrying out either of these preparations. (ii) Deduce the coefficients needed to balance the following equation for the reaction of silver with concentrated…

Write an equation for the reaction, including state symbols.

Nitrogen dioxide reacts with rain water and oxygen to form nitric acid. (i) State an equation for this reaction, including state symbols. (ii) Explain, with reference to the oxidation states of two elements, why this is a redox reaction. (iii) Describe the…

What is the coefficient of oxygen when the equation for the complete combustion of butan-1-ol is balanced using the smallest whole numbers? The unbalanced equation is $\ce{C4H9OH + O2 -> CO2 + H2O}$. A. 4 B. 6 C. 7 D. 13

Ammonia from sweat and skin-care products reacts with HOBr to form bromamines: $\ce{NH2Br}$, $\ce{NHBr2}$ and $\ce{NBr3}$. (i) Deduce an equation for the reaction of ammonia with HOBr(aq) that produces dibromamine, $\ce{NHBr2}$(aq). (ii) The graph shows how…

Write an equation for the complete combustion of $\ce{C19H40}$.

Propan-2-ol reacts with tetradecanoic acid to produce propan-2-yl tetradecanoate, an ester used in skin creams. $\ce{C13H27COOH(l) + CH3CH(OH)CH3(l) <=> C13H27COOCH(CH3)2(l) + X(l)}$ (i) Identify the by-product X(l). (ii) Calculate the atom economy of this…