Describe the relative hardnesses of CaAl,Si,Og, CaSO4.2H,O and CaCO3. Justify your reasoning, given that all of them contain Ca – O bonds.

Q: What B the true percentage of water in Backa 2H2O?

A: the molecular formula of the compound is = BaCl2 . 2H2O The percentage of water is the compound is…

Q: The standard potential of a redox couple is a measure of the thermodynamic tendency of an atom, ion,…

A: Standard potential indicates the capacity/tendency of an aromatic hydrocarbon to accept an electron…

Q: What is the molecular and electron geomtry of SF6?

A: The structure of the molecules in terms of the valence electrons present in the valence shell of…

Q: microNewtons

A: Dear student this question is related to coulombic force.

Q: For anion NO2-, (a) predict the stereochemistry. Justify your prediction with VSEPR theory and by…

A: VSEPR theory predict the geometry , shape and hybridisation of molecules by the number of electron…

Q: the following figure shows the bond distances for the homonuclear diatomics of the 2 nd period…

A:

Q: NH3 a polar molecule but BCl3 is not?

A: NH3(ammonia) is considered as a polar molecule whereas BCl3(boron trichloride) is considered as…

Q: Which of the molecules, CO2, NH3 and BCl3 will be polar?

A: Non polar compounds will have non polar bonds or polar bonds in which dipoles cancle each other.

Q: The later halogens form pentafluorides CIF5, BrF5 and IF5 at 0°C, one of these is a solid, one a…

A: The later halogens form pentafluorides CIF5, BrF5 and IF5 at 0°C, one of these is a solid, one a…

Q: Which lattice plane corresponds to the (212) set of planes?

A: To define the structure of crystal ,we need to find the orientation  of plane passing through the…

Q: Carbon can exist in many forms known as allotropes. Two such allotropes are diamond and graphite.…

A: An element exist in two or more different forms known as allotropy and carbon exhibit allotropy.…

Q: value of Ksp be for calcium fluoride?

A: