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Inorganic Chemistry
the volume of a hot air balloon is 150 m*3 and the pressure is the same as the pressure of the atmosphere surrounding it, that is , 1.00 atm. what is the temperature of the air in the balloon if its STP volume is 120 m*3
Inorganic Chemistry
What is the hybridization state of the central Br atom in Br3O8 ?
Inorganic Chemistry
Beer-Lambert law along with its limitations
Inorganic Chemistry
Is a calibration curve generated by perkin elmer UV-vis Lamda 40 for sulphate analysis in river waters fit for use even when the straight line does not pass through zero but through, say, -0.009?
And what are the correct settings for a perkin elmer UV-vis Lamda 40 for a calibration curve to pass through zero?
And what are the correct settings for a perkin elmer UV-vis Lamda 40 for a calibration curve to pass through zero?
Inorganic Chemistry
If 0.300 mol of lead combines with 0.300 mol of sulfur, what is the empirical formula of the lead sulfide product?
Inorganic Chemistry
If equal volumes of HCl clout ions whose pH is 2 and 0.03 M NaOH solution are mixed;what will be the pH of the resulting solution?
Inorganic Chemistry
Zinc metal reacts with hydrochloric acid according to this balanced equation.
Zn(s)+2HCl(aq)→ZnCl 2 (aq)+H 2 (g) \rm Zn(s) + 2HCl(aq) \rightarrow ZnCl_2(aq) + H_2(g)
When 0.124g g of Zn(s) \rm Zn(s) is combined with enough HCl {\rm HCl} to make 50.3mL mL of solution in a coffee-cup calorimeter, all of the zinc reacts, raising the temperature of the solution from 21.8 ∘ C ^\circ C to 24.7 ∘ C ^\circ C. Find ΔH rxn \Delta {\kern 1pt} H_{{\rm{rxn}}} for this reaction as written. (Use 1.0 g/mL {\rm{g}}/{{\rm{mL}}} for the density of the solution and 4.18 J/g⋅ ∘ C {\rm{J}}/{{\rm{g}} \cdot {\rm{^\circ C}}} as the specific heat capacity.)
Zn(s)+2HCl(aq)→ZnCl 2 (aq)+H 2 (g) \rm Zn(s) + 2HCl(aq) \rightarrow ZnCl_2(aq) + H_2(g)
When 0.124g g of Zn(s) \rm Zn(s) is combined with enough HCl {\rm HCl} to make 50.3mL mL of solution in a coffee-cup calorimeter, all of the zinc reacts, raising the temperature of the solution from 21.8 ∘ C ^\circ C to 24.7 ∘ C ^\circ C. Find ΔH rxn \Delta {\kern 1pt} H_{{\rm{rxn}}} for this reaction as written. (Use 1.0 g/mL {\rm{g}}/{{\rm{mL}}} for the density of the solution and 4.18 J/g⋅ ∘ C {\rm{J}}/{{\rm{g}} \cdot {\rm{^\circ C}}} as the specific heat capacity.)
Inorganic Chemistry
on strongly heating a mixture of iron filing and sulphur powder a black mass is formed due to the formation
Inorganic Chemistry
is negitive ph value possiable
Inorganic Chemistry
in presence of which one of the following chemical hydrous mgcl2 on heating converted to anhydrous mgcl2
1.nacl 2.kcl 3.hcl 4.mg(oh)cl
1.nacl 2.kcl 3.hcl 4.mg(oh)cl
