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1. Hypobromous acid (HOBr) is produced in the blood and has properties that combat pathogens. It is also used in bleaches and other cleaning products. The following is a reversible reaction:
HOBr → H+ + OBr–
a. Write the equation you would use to calculate the Ka of this reaction.
b. If [H+] at equilibrium is 9.1 × 10–6, what is the Ka of the reaction, given a final HOBr concentration
of 0.33 M?
25.0 cm3 of 1.0 M HCl and 50.0 cm31.0M of NaOH are mixed in a coffe cup calorimeter. the temperature of t solution increases from 21.0 c to 27.5 c.calculate the molar enthylpy change in kj/mol for the reaction. assume that the density of solution = 1.0g/cm-3 the capacity of water is 4.18j/g/c
An electron in a H-atom in its ground state absorbs 1.5 times as much energy as the minimum required for it to escape from the atom. What is the wavelength of the emitted electron?
Please help me by giving it's answer.
1.Which Halogen react with:
a)NaBr
b)KCl
c)Kl
Write equalization reactions.
2.Complete chemical equation for reactions occurring:
a)H2+I2->
b)KF+Cl2->
c)CaBr2+.......->Cl2+........
d)HCl+Ag->
e)HCL+Al->
3.Find the percentage of chlorine in the composition that contains it:
a)NaCl
b)NH4Cl
c)CaCl2
d)NaClO
