• Join over 1.2 million students every month
• Accelerate your learning by 29%
• Unlimited access from just £6.99 per month
Page
1. 1
1
2. 2
2
3. 3
3
4. 4
4
5. 5
5

# Determining the correct equation for the composition of Copper Carbonate

Extracts from this document...

Introduction

Determining the correct equation for the composition of Copper Carbonate Which Equation is Correct? Copper Carbonate, CuCO3 decomposes on heating to form one of these oxides and an equation 1. CuCO3(s) --> CuO + CO2(g) Or 2. 2CuCO3(s) -->Cu2O(s) + 1/2 O(g) the experiment that should be carried out to determine which equaton is correct is as follows. Aim The purpose of this experiment is to determine the correct equation 1 or 2 from above. This will be done by measuring the amount of gas given off. Apparatus 1) Conical flask (250Cm3) 2) Glass delivery tube with attached rubber bung 3) Measuring cylinder (250Cm3) 4) Water trough 5) Water 6) Bunsen burner 7) Heatproof mat 8) ...read more.

Middle

7) Now make sure that the delivery tube is directley underneath the measuring cylinder. If it is proceed on to point 7 if not rectify the situation before moving on. 8) Turn on and light the bunsen burner. Turn the air hole at the bottom of the bunsen to make a blue flame, but not roaring. 9) Record the amount of gas given off by the amount of water that had been displaced. 10) Now repeat the whole experiment again, but replace the CuCO3 with 2CuCO3 and record yet again the amount of water displaced/gas given off. Calculations To work out which equation is correct ideas about the mole must be applied, as so.... CuCO3 --> CuCO + CO2 mass volume moles moles In step 1 the equation n = m M must be applied...... ...read more.

Conclusion

4.048x10-3mols x 1.25 1 = 5.06x10-3moles 3. 5.06x10-3mols x 48dm3 = 0.243dm3 4. 0.243dm3 x 1000 = 243cm3 This is because... CuCO3 --> CuCO + CO2 1 mol --> 1mol 1mol --> 24dm3 2mol --> 48dm3 OR 2CuCO3 --> Cu2O + 2CO2 + 1/2 O2 2 mol --> 2 1/2 mol 2mol --> 60dm3 So after carrying out the experiment you will be able to look at the amount of gas given off and decide from that "which equation is correct." If the water displaced is around 243cm3 it is going to be the 2nd equation that is correct 2CuCO3 --> Cu2O + 2CO2 + 1/2 O2 If the water displaced is around 194.33cm3 it is the 1st equation that is correct CuCO --> CuO + CO2 * note some of the volumes cannot be read as accurately, as given in these calculations, off of the measuring cylinder. The nearest number should be taken. ...read more.

The above preview is unformatted text

This student written piece of work is one of many that can be found in our GCSE Aqueous Chemistry 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

# Related GCSE Aqueous Chemistry essays

1. ## CuCO3(s) CuO + CO2(g)2. or CuCO3(s) Cu2O(s) + O(g) This experiment ...

CuCO3 à CuCO + CO2 mass volume moles moles In step 1 the equation n = m M must be applied...... 1g 123.5gmol-1 = 8.097 x 10-3 moles In step 2 you must times by the ratio of each part in this case it is 1:1 so the moles stay

2. ## Indigestion - find out the composition of tablets which are for indigestion and compare ...

In addition Bisodol indigestion relief tablets contain saccharin, maize starch, sucrose, calcium stearate and peppermint oil flavouring. Bisodol indigestion relief tablets - a triple action formula containing three active ingredients: sodium bicarbonate, calcium carbonate and light magnesium carbonate, belonging to the group of medicines called antacids which work by neutralising excess acid in the stomach.

1. ## Investigation to Determine the Composition of Commercial Vinegar.

oxide are bases, they do not dissolve in water. Any base which dissolves in water is called an alkali. When a substance dissolves in water, the solution may be acidic, neutral or alkaline. An acid is any substance which produces H+ ions or H3O+ ions in water. You will mostly see acids in reactions as forming H+ ions.

2. ## Which Equation Is Correct for the following reaction with Copper Carbonate?

Place the stopper with the delivery tube (plastic tube) into the test tube. Place delivery tube into the inverted graduated cylinder. Heat the copper carbonate slowly and uniformly over a laboratory burner. Bubbles will collect in the graduated cylinder. The rate of gas release will begin to slow down when decomposition is near completion.

1. ## Which equation is correct?

Aiming to produce 75cm� of gas would mean that there is room for error and for the possibility of Equation 1 occurring. It would also be a lot easier to read the measurement. So, if 1 mole of CuCO3 produces 24000cm� of CO2, to produce 75cm� we need: (1 x 75 moles)

2. ## making copper

your hand with cold water and seek medical attention Low Heating solutions It could be very hot It could slip and get on your skin Wear gloves Wash your hand with cold water and seek Low Filtration Spilt It could get on your skin Wear gloves and lab coat Take of your lab coat.

1. ## Which is the correct equation?

Method: * Set up the gas syringe apparatus as shown in above diagram. Take care that the equipment is properly connected by pulling on the syringe- should feel elastic and on release returns to roughly the same position. * Measure out exactly 0.27g of KNO3 into dry weighing bottle- taking care to set the scales to zero using Tare (T)

2. ## To find out which equation is correct by heating CuCO3 and seeing which oxide ...

same hour so as to reduce the risk of the outside air pressure changing and as this is a closed reaction the pressure will be constant throughout. This is important because the pressure will affect the amount of space that the gas occupies.

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