Answers What is the amount of magnesium that would contain 1.20 x 1024 particles? [Mg =… What is the amount of magnesium that would contain 1.20 x 1024 particles? [Mg = 24, Avogadro’s constant = 6.02 x 1023] A. 0.5 moles B. 2.0 moles C. 12.0 moles D. 24.0 moles Correct Answer: Option B Explanation
Answers Nationalist movements in West Africa Nationalist movements in West Africa A. began earlier in the French colonies than in the British ones B.… Read More
Answers PQRS is a rhombus of side 16cm. The diagonal |QS| = 20cm. Calculate, correct to… PQRS is a rhombus of side 16cm. The diagonal |QS| = 20cm. Calculate, correct to the nearest degree,… Read More
Answers N2(g) + 3H2(g) ↔ 2NH3(g) ΔH = -90 kJ In the equation above, the yield… N2(g) + 3H2(g) ↔ 2NH3(g) ΔH = -90 kJ In the equation above, the yield of ammonia can… Read More
Answers Choose the most appropriate option opposite in meaning to the underlined word. Good student can… Choose the most appropriate option opposite in meaning to the underlined word. Good student can easily identify spurious… Read More
Answers Fill in the gap with the most appropriate option from the list provided? His chances… Fill in the gap with the most appropriate option from the list provided? His chances in the games… Read More