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State 2 features of a system that is in dynamic equilibrium.
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Related A Level Questions
Deduce which of Na+ and Mg2+ is the smaller ion. Explain your answer.
Figure 1 shows a maxwell-Boltzmann distribution of molecular energies of a sample of gas at a fixed temperature. (a) Label the y axis. (b) On Figure 1, sketch a maxwell-Boltzmann distribution for the same sample of gas at a lower temperature.
A sample of nitrogen gas is heated to 100°C, at a pressure of 10kPa and volume of 0.2m^3. How many moles of gas are present?
What are the reagents used to oxidise an alcohol to a carboxylic acid.
Calculate the pH change when water is added to 25.0 ml of 0.250M NaOH to form a 1.00l solution.
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