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) 140 485 345 350 140 485 345 350 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry 1 Pascal (unit of pressure) is equal to __________ N/m². 0.1 1000 10 1 0.1 1000 10 1 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Heat of transition is the heat evolved or absorbed, when a substance is converted from Vapor to liquid Vapor to solid One allotropic form to another allotropic form Solid to liquid Vapor to liquid Vapor to solid One allotropic form to another allotropic form Solid to liquid ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry 1 gm mole of methane (CH₄) contains 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 4 gm atoms of hydrogen 3 gms of carbon 6.02 x 1023 atoms of hydrogen ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The heat evolved in the combustion of benzene is represented by the equation: C₆H₆ + 7.5 O₂ = 6CO₂ + 3H₂O, ΔH = 3264.6 kJ/kg. mole The heat energy change, when 39 gm of C₆H₆ is burnt in an open container, will be __________ kJ/kgmole. +1632.3 -1632.3 -2448.45 +816.15 +1632.3 -1632.3 -2448.45 +816.15 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry __________ equation relates latent heat and boiling point. Trouton's Antonie Kopp's Kistyakowsky Trouton's Antonie Kopp's Kistyakowsky ANSWER DOWNLOAD EXAMIANS APP
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