Stoichiometry In which of the following case of mixing of a strong acid with strong base (each of 1N concentration), temperature increase will be the highest? 20 c.c acid and 25 c.c base 30 c.c acid and 30 c.c base 35 c.c acid and 15 c.c base 15 c.c acid and 35 c.c base 20 c.c acid and 25 c.c base 30 c.c acid and 30 c.c base 35 c.c acid and 15 c.c base 15 c.c acid and 35 c.c base ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Which of the following is not a colligative property? None of these Depression of freezing point Lowering of vapor pressure Osmotic pressure None of these Depression of freezing point Lowering of vapor pressure Osmotic pressure ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry 80 kg of Na₂SO₄ (molecular weight = 142) is present in 330 kg of an aqueous solution. The solution is cooled such that. 80 kg of Na₂SO₄ .10H₂O crystals separate out. The weight fraction of Na₂SO₄ in the remaining solution is 0.24 0.18 1 0.24 0.18 1 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry 1 gm mole of methane (CH₄) contains 4 gm atoms of hydrogen 3 gms of carbon 6.02 x 1023 atoms of hydrogen 3.01 x 1023 molecules of methane 4 gm atoms of hydrogen 3 gms of carbon 6.02 x 1023 atoms of hydrogen 3.01 x 1023 molecules of methane ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry With rise in temperature, the heat capacity of a substance Remains unchanged Increases Decreases Either A or B; depends on the substance Remains unchanged Increases Decreases Either A or B; depends on the substance ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry A sample of well water contains 140 gm/m³ Ca²⁺ ions and 345 gm/m³ Na⁺ ions. The hardness of the sample of water, expressed in terms of equivalent CaCO₃ in gm/m³ is (assuming atomic masses of Ca :40, Na : 23, C : 12, O : 16) 345 140 350 485 345 140 350 485 ANSWER DOWNLOAD EXAMIANS APP
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