If the angle if incidence of light on a diffraction grating is 0.0 degrees what is the wavelength of light in (nm) which will be reflected by 12.8 degrees in first order if the grating has 1350 groves per millimeter?

By what factor does the fraction of collisions with energy equal to or greater than activation energy at 100 kJ/mol. change if the temperature increases from 32 degrees celsius to 63 degrees celsius. What would be the answer in SCIENTIFIC NOTATION?

A compound is 54.53% C, 9.15% H, and 36.32% O by mass. What would be it's empirical formula?

In a single replacement reaction, why will one metal replace another metal in an ionic compound?

A compound does not react with 2,4-dinitrophenyl hydrazine, what will be the compound?

For a reaction ΔH = (+3kJ), ΔS = ( + 10 kJ) , beyond which temperature this reaction will be spontaneous?

The bond order of NO is 2.5 while that in NO+ is 3. What would be the true statements for these two species?

If one mole of an ideal gas expands isothermally at 37oC from 15L to 25L, what would be the maximum work obtained?

Volume of CO2 obtained from complete decomposition of 126 g of CaCO3. What would be the STP?

The rate of reaction between two reactants A and B decreases by a factor of 4, if the concentration of reactant B is doubled. What will be the order of this reaction with respect to reactant B?

There is a sample of 10 volume of hydrogen solution. what will be it's strength.

For a reaction 2A + B→ product keeping the active mass of B constant and that of A is doubled. What will be the rate of the reaction?