Inorganic Chemistry Answers

A certain amount of hydrogen peroxide was dissolved in 100 mL of water and then titrated with 1.68 M KMnO[sub]4[/sub]. How much H[sub]2[/sub]O[sub]2[/sub] was dissolved if the titration required 18.3 mL of the KMnO[sub]4[/sub] solution?


2KMnO[sub]4[/sub](aq) + H[sub]2[/sub]O[sub]2[/sub](aq) + 3H[sub]2[/sub]SO[sub]4[/sub](aq) → 3O[sub]2[/sub](g) + 2MnSO[sub]4[/sub](aq) + K[sub]2[/sub]SO[sub]4[/sub](aq) + 4H[sub]2[/sub]O(l)

If the volume of 2.46 x 1021 molecules of HBr(g) at 46. °C and 1.36 atm is 86.7 mL, then what is the volume of 2.46 x 1021 molecules of CO2(g) at 46. °C and 1.36 atm?

The numerical value of the mole is defined as being equal to the number of atoms in exactly 12 grams of pure carbon-12. True or False?

How many moles of hydrogen peroxide decompose to give 1.00 mol of oxygen?
__H2O2(l) __H2O(l) + __O2(g)

How many grams of O2(g) are needed to completely burn 21.8 g of C3H8(g)?

How many moles of Naoh are in 26.7 ml of a 0.100 M NaOh solution?

State five differences between Electrovalent compounds and covalent compounds

An hydrocarbon of relative molecular mass 70 was found to contain 85.7% carbon. Determine :
(a) The molecular formula
(b) The structural formula

if the heat of combustion for a specific compound is 1080.0kj/mol and its molar mass is 58.29 g/mol how many grams of this compound must you burn to release 300.60j of heat

Dinitrogen momoxide(also called nitrogen oxide) is also called"laughing gas." It can be prepared by the thermal decomposition of ammonium nitrate. The other product is water. (a) Write a balanced equation for this reaction. (b) How many grams of dinitrogen monoxide are formed if .46 moles of ammonium nitrate is used in the reaction?