Inorganic Chemistry Questions and Answers

In a laboratory activity, hydrogen gas and oxygen gas are mixed in a balloon. At normal, the mixture is stable. However, if a spark is supplied to the mixture or some powdered metal is introduced, the...

Pharmaceuticals: Imagine that your nation is experiencing an influenza epidemic. Fortunately, scientists have recently discovered a new catalyst that increases the rate of production of effective flu ...

Three separate 3.5g blocks of Al, Cu, and Fe at 25°C each absorb 0.505 kJ of heat. Which block reaches the highest temperature? The specific heats of Al, Cu, and Fe are 0.900 J/g·°C, 0.385J/g·°C,...

Q1. Which of the following statements about specific heat capacity is false ? (Only 1 answer) Specific heat capacity is different for each unique substance. The SI unit used to measure specific heat...

Q1. When 3.0 kg of water is warmed from 10∘C to 80∘C, how much heat ( q ) is needed? Round to two significant figures. Hint: Cs of water = 4.184 J/g⋅∘C 880 kJ 0.88 kJ 8.8 x 105 kJ Q...

Q1. Which of the following is NOT a basic component of a calorimeter? a mass scale water a thermometer an energetically isolated (closed) system Q2. Which of the following is false for a coffe...

Q1 Which of the following statements about specific heat capacity is true ? (Only 1 answer) Specific heat capacity defines the relationship between heat and density for a given substance. Specific h...

What are the oxidation numbers (ON) of each of the elements in the following ion? Show your work or thought process. [1 mark for ON, 1 mark showing work or thought process] Al(OH)4- ?...

Use the following reactions to arrange the elements A, B, C and D in order of their decreasing ability as reducing agents (who is the strongest oxidizer). Show some thought process. C + B+ --> C+?...

What is the oxidation number of Ti in the following compound, H 2 TiCl 6 ? Answer options: -8 -2 +4 +8 -4 What is the oxidation number of C in the following compound, COCl 2 ? Answer options: ...

Determine if the following reaction is an oxidation-reduction reaction and if the reaction is a redox reaction, which compound is the oxidizing agent. ZnO (s) + C (s) ® Zn (s) + CO (s) Answer optio...

Using the activity series of the elements figure, determine if the following reaction will occur and if the reaction occurs, what is the correctly balanced equation? Zn (s) + Hg 2+ (aq) ® Answer o...

In which of the following compounds does Mn have an oxidation number of +3? MnO Mn 2 O 3 MnO 2 MnO 3 ...