• Join over 1.2 million students every month
  • Accelerate your learning by 29%
  • Unlimited access from just £6.99 per month

Which equation is correct for this reaction involving Copper Carbonate?

Extracts from this document...

Introduction

WHICH EQUATION IS CORRECT??? 1. 2CuCO3 (s)-------- Cu2O (s) + 2CO2 +1/2O2 (g) 2. CuCO3 (s) --------- CuO (s) + CO2 (g) I will carry out an experiment, which will tell me which of the two equations is true. To do this I will measure the amount of gas given off in the reaction. From my calculations I can work out which equation is true, as equation 1 gives out more gas than equation 2. I shall use the following apparatus: Stand Clamp Boss Gas syringe Delivery tube Bung Boiling tube Bunsen burner Heat proof matt Test tube holder Diagram: I will add 0.337g of copper carbonate (green powder) ...read more.

Middle

Any water vapour that was given off will cool at this point so will not affect my results. The experiment should be repeated twice more for an average reading to be obtained. A gas syringe is used because it is a very accurate way of recording gas. The gas in the gas syringe must have cooled to room temperature before a reading is taken, as this will affect the accuracy of the results. Basic cooper carbonate contains 61 % by mass of CuCO3. The relative atomic mass of CuCO3 is 123.5g. 123.5/61 * 100 = 202.45, 1 mol of Basic copper carbonate has the mass of 202.45g. ...read more.

Conclusion

Gas also expands when heated so this will have to be considered. I will aim to collect around 50 cm3 of gas. 1. 202.45/30,000 * 50 = (0.337 mol) 50 cm3 2. 24,000/30000 * 50 = 40 cm3 I will use 0.337g or basic copper carbonate, Equation 1 if true will give out 50 cm3 of gas; equation 2 if true will give out 40 cm3 of gas. 1 mol of any gas at room temperature and 1 atmospheric pressure will occupy a space of 24dm3. From this and the amount of gas given off I can work out the mol of the gas given off and find out which of the two equations are correct. ...read more.

The above preview is unformatted text

This student written piece of work is one of many that can be found in our AS and A Level War Poetry section.

Found what you're looking for?

  • Start learning 29% faster today
  • 150,000+ documents available
  • Just £6.99 a month

Not the one? Search for your essay title...
  • Join over 1.2 million students every month
  • Accelerate your learning by 29%
  • Unlimited access from just £6.99 per month

See related essaysSee related essays

Related AS and A Level War Poetry essays

  1. Marked by a teacher

    The idea of the experiment is to determine which equation is correct. There are ...

    5 star(s)

    I made sure that all the CuCO3 had turned black so that all the gas will be given off by heating the test tube uniformly under a Bunsen burner. 4. For my two experiments, I used the same boiling tube so that the volume of air in the test tube wouldn't change for the 2 experiments.

  2. Which Equation is Correct?

    Diagram of an endothermic reaction Fair Testing The conditions must ensure a fair test, certain variables must be maintained, the main variable that has to be kept the same is temperature, the collected gas should be kept at room temperature, the gas syringe should be kept as far away as possible when heating the copper carbonate.

  1. Which Equation is Correct?

    * I will make the copper carbonate into powder to increase its surface area and thus increasing the rate of reaction. * I will be able to obtain more readings in the time period so a more precise average can be produced.

  2. Free essay

    Which equation is correct?

    The beaker will also be filled with water. When placing the gas burette in the beaker which is full of water I have to make sure no water is lost otherwise it can have an affect on the experiment. 4.

  1. Determine which of two equations below is the correct equation of the thermal decomposition ...

    going to be used and large enough for the measuring to be accurate. If equation 1 is correct and oxygen is produced, there is enough space left for that. If there is a substantial amount of gas more than 77.4cm3 then there is oxygen produced from the reaction as well meaning the first equation is correct Method 1.

  2. Decompose copper carbonate by heating and measure the amount of gas produced.

    So 0.25g of 2CuCO will be used and will produce 60cm� of gas or roughly 50cm� of gas. If the results of the experiment show that about 60cm� of gas is produced then equation 1 is correct and if the amount of gas is about 50cm� then equation 2 is correct.

  1. Determining the Correct Equation for the Decomposition of Copper Carbonate.

    If we know that we are using room temperature and pressure, and we know from rearranging: Moles of a gas = volume of gas 24dm3 We can get - Volume of gas = moles x 24dm3 Then we can substitute in: Mass = R.A.M x P x (moles x 24dm3)

  2. Right equation

    of copper carbonate (CuCo3) =64 +12+ (16�3) As we also know that 'At room temperature and pressure (r.t.p), 298K (25?C) and 100kPa, 1 mole of any gas will occupy 24dm� or 24000cm�' Therefore if 1 mole is 24000cm� V= n � 24000 ?

  • Over 160,000 pieces
    of student written work
  • Annotated by
    experienced teachers
  • Ideas and feedback to
    improve your own work