Std 8 gujarati ch 4 tane olakhe chu ma / standard 8 gujarati ch 4 swadhyay / dhoran 8 gujarati path 4

The enthalpy change of the reaction C_3H_8(g)+H_2(g) rarr C_2H_6(g)+CH_4(g) , at 25^@ , will be Given that: heat of combustion values under standard condition (The standard heat of formation of C_3H_8(g) is -103.8kJ/mol)

Which of the following equations respresents standard heat of formation of CH_(4) ?

Find the average of 4.2, 7.4 and 8.8.

Which of the following equations represents standard heat of combustion of CH_(4) ?

The average kinetic energy in Joule of the molecules in 8 grams of CH_(4) at 27^(@)C is

Evaluate : 9/8 times 8/7 ÷ 8/7 + 4/8 + 9/8 times 8/7 times 7/8 + 4/8

Find the value of ( 4^-8 / 8^-4 )^( 3/4 )

10 mL of a mixture of CH_(4) and C_(3)H_(8) requires 41 mL of oxygen for complete combustion. What is the volume of CH_(4) and C_(3)H_(8) in. the mixture.