Inorganic Chemistry Answers

when 3.890 g of solid sodium nitrade are dissolved in 50.00 g of water in a styrofoam calorimter to form 53.89 g of aqueous sodium nitrate, the temperature decreases by 3.5 degress. determine the heat flow for this mass of solid, and then calculate the enthalpy change in kjoules for dissolving one mole of solid.

A student collected 1g of Hydrogen, oxigen, chlorine, &Amonia in seperate bottle.Arrange these samples in the decreasing order of number of molecules In them? Justify?

why does the color of a liquid made from vitaminc,hydrogen peroxide,liquid loundry starch turns blue when we add iodine to it?

Balanced equation for iron (ii) iodide and barium hydroxide

aqueous magnesium chloride reacts with the aqueous sodium carbonate and yields a soluble and an insoluble compound. write the double displacement equation and balance it. if 15.0g of each react is given, identify the limiting reactant and calculate the yield of the insoluble compound

do TiO2 react with HCl

What is the chemical formula of 58.9% Na 1% S

in the Reversible reaction A+B⇌C+D The concentration of each C and D at equilibrium was 0.8 mole/litre then the equilibrium constant Kc will be.

10g of sample of mixture of cacl2 and nacl is treated to precipitate all calcium as caco3 this caco3 is heated to convert all ca to cao and final mass of cao is 1.62g. The percent by mass of cacl2 in original mixture is

Write the formula for dipole moment and give its unit.