23 What pressure will 2.6 x 10 molecules of H, exert in a 3.9 L container at 45°C?

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Q: Be sure to answer all parts. The reaction of peroxydisulfate ion ( S,03-) with iodide ion (I) is S,0...

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Q: 1. A 50-L reaction vessel contains 1.0 moles N2; 3.0 moles Hz and 0.5 mole NH3. Will more NH3 be for...

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Q: The reaction of A to produce B by the reaction 2A + C → B is exothermic with a ΔH = -345 kJ.  If 25....

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Q: A 20.0 g block of iron (molar heat capacity 25.1 J/mol･°C) at 74.6 °C is placed into 200.0 g of wate...

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Q: How many distinct (total) alkene products are possible when the alkyl iodide below under E2 eliminat...

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Q: spontaneous or non-spontaneous.

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Q: B. Condense and Name: HH H H H b. H-C-- CH,CH,CHCH,CH,CH, CH,CH,CHCH, a. C. ČH, ČH,CH, HH H H H

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Q: If 2S02 + 02 -------> 2S03 uses 3.65 g of molecular oxygen and 4.60 g of sulfur dioxide, calculate t...

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Q: Prelaboratory Assignment: Qualitative Analysis Group II Cations 1. Prepare a complete flow chart for...

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A: AsO33- + 2Ce4+ + H2O -----> AsO43- + 2Ce3+ + 2H+

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A: Introduction :  Solid is one of the four fundamental states of matter (the others being liquid, gas,...

Q: The XeO4 molecule can be said to use which type of Xe hybrid orbitals for sigma-bonding? VSEPR theo...

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Q: A. Expand and Name: а. С6H14 b. C3H6 c. CH3CHCHCH3 d. CH2=CH(CH2)4CH3

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Q: 1(a) Explain briefly what is meant by ONE of the following terms (use words and diagrams). (i) Marko...

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Q: Activity 1: GAS LAW (Show your solution) 1. A sample of nitrogen, N2, occupies 45.0 mL at 27°C and 6...

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Q: A pheromone is a type of volatile compound produced by a variety of insect species for chemical comm...

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Q: Which of the following is a conjugate acid/base pair? A) H³PO4, PO,3- В) Н.РО-, РО3- C) HPO:²-, PO,3...

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Q: If this lab’s procedure were carried out using 28.06 mL each of 0.385 M K2CrO4 and 0.161 M Pb(NO3)2....

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Q: Why is there no data for the mixture of 20.0 mL of silver nitrate with 0.0 mL. of sodium fluoride, o...

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Q: 5. Sodium hypochlorite (NAOCI, the active ingredient of almost all bleaches) was dissolve in a solut...

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Q: 4 NH3 (g) + 5 O2 (g) 4 NO (g) + 6 H2O (1) AH° = -1170 kJ mol· 2 NO (g) + O2 (g) = 2 NO2 (g) AH° = -1...

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Q: Calcium hydroxide undergnes a decomposition reaction aWrite a balanced chemical equation for this re...

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Q: `NH3 (CH3)2CHCH2ONO DME, 86°C

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Q: Sections 5.4-5.6 Decomposition, Combination and Replacement Reactions 6. Classify each reaction as r...

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Q: An electric range burner weighing 625.0 grams is turned off after reaching a temperature of 492.5°C,...

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Q: If 10 mL 0.10 M Ba(NO3)2is mixed with 10 mL 0.10 M K103, a precipitate forms. Which ion will still b...

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Q: What is the pH of a 4.9 × 10-6 M KOH solution?

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Q: . Upon investigating the pH of different ponds, you found out that a sertain pond measures 4.2 which...

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Q: the molecular formula c

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Q: Hy Lindlar OH HO OH HO

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Q: Topic: QUALITATIVE ANALYSIS IN ANALYTICAL CHEMISTRY a. Differentiate General Test and Confirmatory ...

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Mole Concept

Mole concept is a method to determine the amount of any substance that consists of some elemental particles using a grouping unit called ‘mole’. The mole concept enables one to handle the large amount of small elementary particles. The mole concept can be used in many calculations related to mole calculation, molar amount, mole ratio, and so on, which are significant in chemistry.