Answer to Question #163324 in General Chemistry for jack

Question #163324

 The rate of a chemical reaction can be found by measuring how FAST the reactants are USED or how quickly the products are FORMED.

An example of a chemical reaction is the reaction between calcium carbonate and hydrochloric acid: CaCO3(s) + 2HCl(aq)  CaCl2(aq) + H2O(l) + CO2(g)

We could measure the rate of this reaction by measuring the product  of the reaction mixture using a top-pan balance. Because .............................. ........................... gas is given off, the mass will ............................... . To see how quickly the reaction is taking place we plot loss in mass (vertical axis) against ................. (horizontal axis). The steeper the line obtained, the .................... the reaction. We could also measure how quickly the gas is given off by measuring its volume using a gas ..................... .

In the reaction between sodium thiosulphate and hydrochloric acid, solid sulphur is formed. This makes the reaction mixture cloudy and makes it more difficult to see through the mixture. Eventually we cannot see .......................... the mixture at all and a cross underneath it is .......................... . We can measure the .................... it takes to do this.



1
Expert's answer
2021-02-15T03:00:58-0500

We could measure the rate of this reaction by measuring the product of the reaction mixture using a top-pan balance. Because ….Carbon (IV)…Oxide...….. … gas is given off, the mass will …Reduce...….. To see how quickly the reaction is taking place we plot loss in mass (vertical axis) against …..Time...… (horizontal axis). The steeper the line obtained, the …. Higher...… the reaction. We could also measure how quickly the gas is given off by measuring its volume using a gas …. Syringe...…

In the reaction between sodium thiosulphate and hydrochloric acid, solid Sulphur is formed. This makes the reaction mixture cloudy and makes it more difficult to see through the mixture. Eventually we cannot see …Though...….. the mixture at all and a cross underneath it is …. Invisible...….. We can measure the …..Time...… it takes to do this.



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