Past Papers
Q3: AS & A Level Chemistry - 9701 Paper 2 2009 Winter Zone 1
2
0
Share
Questions: 3/5
Topic: CH5 - CHEMICAL ENERGETICS
Solution
PRACTISE
Similar Questions
LEARN
Concepts with Sparky
Close Icon

More Questions from this Topic

Theory
CH5 - CHEMICAL ENERGETICS
Separate samples of $Na_2CO_3$ and $NaHCO_3$ react with $HCl(aq)$ to produce the same products, as shown in Table 2.1.[Table_1](a) Complete the reacti...
2024 Summer
2
Theory
CH5 - CHEMICAL ENERGETICS
(a) Write an equation to show the reaction for the standard enthalpy change of formation of $\text{H}_2\text{O}$. Include state symbols..................
2024 Summer
3
Theory
CH5 - CHEMICAL ENERGETICS
(a) Nitrogen is found in inorganic compounds such as nitrogen oxides (NO\(_x\)), nitrates and nitric acid.(i) Identify one natural and one man-made oc...
2024 Winter
3
Theory
CH5 - CHEMICAL ENERGETICS
(a) Define enthalpy change of formation..................................................................................................................
2024 Summer
4
Theory
CH5 - CHEMICAL ENERGETICS
(a) Predict and explain the variation in enthalpy change of hydration for the ions F^−, Cl^−, Br^− and I^−. .....................................
2024 Winter
2
Theory
CH5 - CHEMICAL ENERGETICS
Potassium iodide, KI, is used as a reagent in both inorganic and organic chemistry.(a) KI forms an ionic lattice that is soluble in water.(i) Define e...
2024 Spring
4
Theory
CH5 - CHEMICAL ENERGETICS
(a) Describe the trend in the solubility of the sulfates of magnesium, calcium and strontium. Explain your answer........................................
2024 Summer
3
Theory
CH5 - CHEMICAL ENERGETICS
(a) Equation 1 shows water acting as a Brønsted–Lowry acid. equation 1 \[ \text{H}_2\text{O} + \text{NO}_2^- \rightleftharpoons \text{HNO}_2 + \tex...
2024 Spring
2
Theory
CH5 - CHEMICAL ENERGETICS
(a) Carbon disulfide, $\text{CS}_2$, is flammable and reacts readily with oxygen, as shown in reaction 1.reaction 1 $\text{CS}_2(g) + 3\text{O}_2(g) \...
2024 Summer
2
Theory
CH5 - CHEMICAL ENERGETICS
(a) Define standard electrode potential, $E^\text{o}$, including a description of standard conditions.(b) (i) An electrochemical cell is set up to mea...
2024 Summer
3

More Questions from year 2009

Theory
CH1 - ATOMS, MOLECULES & STOICHIOMETRY
Copper and titanium are each used with aluminium to make alloys which are light, strong and resistant to corrosion. Aluminium, $Al$, is in the third p...
2009 Summer
2
Theory
CH10 - GROUP 2
Magnesium will react on heating with chlorine, or oxygen, or nitrogen to give the chloride, or oxide, or nitride respectively. Each of these compounds...
2009 Summer
2
Theory
CH15 - HYDROCARBONS
Concern over the ever-increasing use of fossil fuels has led to many suggestions for alternative sources of energy. One of these, suggested by Profess...
2009 Summer
2
Theory
CH22 - ANALYTICAL TECHNIQUES
(a) Complete the following reaction scheme which starts with ethanol.In each empty box, write the structural formula of the organic compound that woul...
2009 Summer
1
Theory
CH22 - ANALYTICAL TECHNIQUES
(a) When F is formed in step I no other compound is produced. Suggest a structural formula for F, which contains one –OH group.(b) Compound G has tw...
2009 Summer
2
Theory
CH1 - ATOMS, MOLECULES & STOICHIOMETRY
(a) Complete the electronic configuration of aluminium and of titanium, proton number 22.\[\begin{array}{|c|c|} \hline \text{Al} & 1s^2 \\ \hline \tex...
2009 Summer
2
Theory
CH10 - GROUP 2
(a) (i) Write an equation, with state symbols, for the second ionisation energy of calcium...............................................................
2009 Summer
1
Theory
CH15 - HYDROCARBONS
Concern over the ever-increasing use of fossil fuels has led to many suggestions for alternative sources of energy. One of these, suggested by Profess...
2009 Summer
2
Theory
CH22 - ANALYTICAL TECHNIQUES
(a) Complete the following reaction scheme which starts with propanone. In each empty box, write the structural formula of the organic compound that w...
2009 Summer
2
Theory
CH22 - ANALYTICAL TECHNIQUES
Ethanol, CH$_3$CHO, can be converted into compound U by the following sequence.(a) When T is formed in step I, no other compound is produced.Suggest a...
2009 Summer
2