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Onye
Questions and answers by visitors named
Onye
Questions (8)
A solution is created by dissolving 13.0 grams of ammonium chloride in enough water to make 265 mL of solution. How many moles
4 answers
3,743 views
A chemist performs an acid–base titration using 0.176 M aqueous NaOH as the titrant with 26.15 mL of 0.102 M H2SO4. The
3 answers
920 views
The hydroperoxide ion, HO2– (aq), reacts with permanganate ion, MnO4– (aq) to produce MnO2 (s) and oxygen gas. Balance the
4 answers
1,950 views
Calculate how many grams of sodium azide (NaN3) are needed to inflate a 25.0 × 25.0 × 20.0 cm bag to a pressure of 1.25 atm at
2 answers
987 views
Calculate how many grams of sodium azide (NaN3) are needed to inflate a 25.0 × 25.0 × 20.0 cm bag to a pressure of 1.25 atm at
3 answers
1,310 views
A chemist performs an acid–base titration using 0.176 M aqueous NaOH as the titrant with 26.15 mL of 0.102 M H2SO4. The
2 answers
1,117 views
From the following data, calculate ΔH° for the reaction
O3(g) +NO(g)----->O2(g)+NO2 (g) Compound ΔH°f (kJ/mol) O3 142.7 NO
3 answers
1,420 views
Question 6:
From the following data, calculate ΔH° for the reaction O3(g) +NO(g)----->O2(g)+NO2 (g) Compound ΔH°f (kJ/mol) O3
1 answer
891 views
Answers (5)
The hydroperoxide ion, HO2– (aq), reacts with permanganate ion, MnO4– (aq) to produce MnO2 (s) and oxygen gas. Balance the equation for the oxidation of hydroperoxide ion to O2(g) by permanganate ion in a basic solution.
divisible by 9
1.707g/cm3
Stars generate light and other energy by fusion of hydrogen and other matter in the core. Hydrogen fuses to form helium. But you would notice that the mass of the helium nucleus (product) is less than the mass of four protons (hydrogen nuclei). It is the
June 21
