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Chemistry Higher Tier revision cards 50 pack - Includes Thermodynamics (10), Quantative Chemistry(10), Acids and Bases (10) and Nuclear Chemistry (20)
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A 0.50 g sample of an unknown salt reacts completely with 50 mL of 0.10 M sulfuric acid (H2SO4) to produce a solution with a pH of 2. Calculate the molar mass of the salt.
A 0.50 g sample of an unknown salt reacts completely with 50 mL of 0.10 M sulfuric acid (H2SO4) to p...
First, determine the amount of H+ ions used: [H+] = 10^-2 mol/L = 0.005 mol. From the balanced equation, calculate the moles of the unknown salt (let its molar mass be M): 0.005 mol H+ / 2 (mol H+/mol salt) = (0.50 g) / M => M = 150 g/mol
Explain the concept of a chain reaction in nuclear fission.
Explain the concept of a chain reaction in nuclear fission.
In a chain reaction, neutrons released from fission can further induce fission in other nuclei, creating a self-sustaining process for energy generation in nuclear reactors.
Explain the principles of radiation protection and safety measures.
Explain the principles of radiation protection and safety measures.
Minimizing exposure time, distance from the source, and shielding with suitable materials are key principles for protecting against harmful effects of radiation.
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