Telangana Board Solutions for Chapter: Chemical Equations, Exercise 1: Exercise 1

Balance the following chemical equation after writing the symbolic representation.$( \mathrm{AS}1 )$
Calcium hydroxide$\left(\mathrm{s}\right)$ + Nitric acid $\left(\mathrm{aq}\right) \to$ Water$\left(\mathrm{l}\right)$ + Calcium Nitrate$\left(\mathrm{aq}\right)$

Balance the following chemical equation after writing the symbolic representation. $( {\mathrm{AS}}_1 )$
Magnesium $\left(\mathrm{s}\right)$+Iodine $\left(\mathrm{s}\right)\to$ Magnesium iodide $\left(\mathrm{s}\right)$

Write the following chemical reactions including the physical states of the substances and balance a chemical equation.
Sodium Hydroxide reacts with Hydrochloric acid to form Sodium Chloride and Water.

Write the following chemical reaction including the physical states of the substances and balance a chemical equation.
Barium chloride reacts with liquid Sodium Sulphate to leave Barium sulphate as a precipitate and also form liquid Sodium chloride.

Potassium nitrate and Sodium Nitrate reacts separately with copper sulphate solution. Write balanced chemical equations for the above reactions.

$2 \text{moles}$ of Zinc react with a cupric chloride solution containing $6.023\times {10}^{22}$ formula units of ${\text{CuCl}}_{\text{2}}$. Calculate the moles of copper obtained
$\mathrm{Zn}\left(\mathrm{s}\right)+{\mathrm{CuCl}}_2\left(\mathrm{aq}\right) \to {\mathrm{ZnCl}}_2\left(\mathrm{aq}\right)+\mathrm{Cu}\left(\mathrm{s}\right)$

$1 \text{mole}$ of propane $\left({\mathrm{C}}_3{\mathrm{H}}_8\right)$ on combustion at $\mathrm{STP}$ gives $\text{'}\mathrm{A}\text{'}$ kilo joules of heat energy. Calculate the heat liberated when $2.4 \text{ltrs}$ of propane on combustion at $\mathrm{STP}$.

Calculate the mass and volume of oxygen required at STP to convert $2.4 \text{kg}$ of graphite into carbon dioxide.