Question

1. convert the following word equations into chemical formulas (skeleton equations). calcium and nitrogen combine to form _ /6 total
2. list 4 of the 5 ways someone could increase the rate of a reaction. /4

copper (ii) chloride and magnesium bromide react to form copper (ii) bromide and magnesium chloride.
magnesium iodide decomposes into...

Explanation:

Step1: Convert word - equation for calcium and nitrogen

Calcium (Ca) and nitrogen (N₂) react to form calcium nitride (Ca₃N₂). The chemical formula equation is $3Ca + N_{2}
ightarrow Ca_{3}N_{2}$.

Step2: Convert word - equation for magnesium iodide decomposition

Magnesium iodide (MgI₂) decomposes into magnesium (Mg) and iodine (I₂). The chemical formula equation is $MgI_{2}
ightarrow Mg+I_{2}$.

Step3: Convert word - equation for copper(II) chloride and magnesium bromide reaction

Copper(II) chloride (CuCl₂) and magnesium bromide (MgBr₂) react to form copper(II) bromide (CuBr₂) and magnesium chloride (MgCl₂). The chemical formula equation is $CuCl_{2}+MgBr_{2}
ightarrow CuBr_{2}+MgCl_{2}$.

Step4: List ways to increase reaction rate

1. Increase temperature: Increases kinetic energy of reactant particles, leading to more frequent and energetic collisions.
2. Increase concentration of reactants: More particles in a given volume, increasing collision frequency.
3. Add a catalyst: Lowers the activation energy, allowing the reaction to proceed faster.
4. Increase surface area of solid reactants: More particles are exposed for reaction, increasing collision opportunities.

Answer:

1. $3Ca + N_{2}

ightarrow Ca_{3}N_{2}$

1. $MgI_{2}

ightarrow Mg + I_{2}$

1. $CuCl_{2}+MgBr_{2}

ightarrow CuBr_{2}+MgCl_{2}$

1. Increase temperature, increase concentration of reactants, add a catalyst, increase surface area of solid reactants.