Stoichiometry Pick out the correct conversion. 1 BTU = 252 calories 1 BTU =453.6 calories 1 calorie = 252 BTU 1 calorie = 453.6 BTU 1 BTU = 252 calories 1 BTU =453.6 calories 1 calorie = 252 BTU 1 calorie = 453.6 BTU 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) 350 345 140 485 350 345 140 485 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry A car tyre of volume 0.057 m³ is inflated to 300 kPa at 300 K. After the car is driven for 10 hours, the pressure in the tyre increases to 330 kPa. Assume air is an ideal gas and Cv for air is 21 J/mole.K. The change in the internal energy of air in the tyre in J/mole is 630 760 880 380 630 760 880 380 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Concentration of a solution expressed in terms of __________ is independent of temperature. Normality None of these Molality Molarity Normality None of these Molality Molarity ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The density of a gas 'X' is twice that of another gas 'Y'. If the molecular weight of gas 'Y' is 'M'; then the molecular weight of the gas 'X' will be M/2 M M/4 2M M/2 M M/4 2M ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry As per Kirchoff s equation, the heat of reaction is affected by the Temperature Molecularity Volume Pressure Temperature Molecularity Volume Pressure ANSWER DOWNLOAD EXAMIANS APP
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