Std-10 Most Imp Ch 1 Gseb L-5 રસાયણિક પ્રક્રિયાઑ અને સમીકરણ

Sunita from std. X uses spectacles . Her spectacle number is -1.5 D . Find the focal length of the lens.

CFS in Octahedral and Square Plannar Complex || Electronic Configuration From d1 to d10 in Presence OF SFL and WFL for C.N.-6 (Imp) || SCI

0.1mol of CH_(3)NH_(2) (K_(b) = 5 xx 10^(-4)) is mixed with 0.08mol of HCI and diluted to 1L . Which statement is correct?

Identify the reaction order form each of the following rate constants: a. k = 7.06 xx 10^(-3) mol L^(-1) s^(-1) b. k = 5.6 xx 10^(-5) s^(-1) c. k = 1.25 xx 10^(-2) mol^(-1)l s^(-1) d. k = 1.25 xx 10^(-2) mol L^(2)s^(-1) e. k = 5.0 xx 10^(-6) atm^(-1)s^(-1)

A : When C_(2) H_(5) - O- CH_(3) is reacted with oen mole of Hl then C_(2)H_(5)OH& CH_(3) l is formed . R : It is S_(N)1 reaction

The rate constant for the reaction, 2N_(2)O_(5) rarr 4NO_(2) + O_(2) is 3.0 xx 10^(-5) s^(-1) . If the rate is 2.40 xx 10^(-5) mol L^(-1) s^(-1) , then the initial concentration of N_(2)O_(5) (in mol L^(-1) ) is

The rate constant for the reaction 2N_(2)O_(5) rarr 4NO_(2)+O_(2) is 3.0 xx 10^(-5) s^(-1) . If the rate is 2.40 xx 10^(-5) mol L^(-1) s^(-1) , then the concentration of N_(2)O_(5) (in mol L^(-1) ) is