Which one contains greater number of molecules?  25 g of H2O or 25 g H2S?  Explain your answer.

Q: molecules

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Q: Part A An iron ore sample contains Fe2O3 together with other substances. Reaction of the ore with CÓ...

A: Given, α Fe2O3 (s)  +  β CO (g)                     ϒ Fe (s)  +  δ CO2 (g)  Weight of Fe2O3 = 0.310 ...

Q: 3. Explain why the following names are incorrect and give a correct name in each case: a. 3-pentyne-...

A: This question belong to nomenclature of organic compound. In this question incorrect IUPAC name are ...

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Q: molar ratio

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Q: For the following electron-transfer reaction: F2(g) + 2I-(aq)  2F-(aq) + I2(s) The oxidation half...

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Q: SO3 Zn(Hg) A B AICI, HCI

A: Given, 

Q: How many moles of ammonium ions are in 6.985 g of ammonium carbonate?

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Q: 7.) Use the following thermochemical equations as needed to find the heat of formation of diamond: C...

A: We can solve this problem using this concept, Graphite and diamond are in equilibrium state at their...

Q: 1.08 g H2 is allowed to react with 9.83 g N2, producing 1.36 g NH3 . Part A What is the theoretical ...

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Q: Identify the condition(s) that will not work for the reaction shown? Choose all the selections that ...

A: In the given reaction an alkyl group is attached to the benzene ring. The reaction cannot proceed by...

Q: What is that the entropy change of the universe (J/mol-K) when the entropy change of the system is 7...

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Q: he reaction will proceed to the right to establish equilibrium.

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Q: Part A Determine the empirical and molecular formulas of each of the following substances. Caffeine,...

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Q: Q1) A constant volume tank contain 1 mole of C,H14 and 12 mole of O2 gas at a temperature of 25 °C a...

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Q: Iodine‑125 (I125I125) is used to treat, among other things, brain tumors and prostate cancer. It dec...

A: Answer is as follows

Q: ny electrons

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Q: A certain reaction has an equilibrium constant of 10.1 at 25oC. Determine the ΔGo in kJ/mol

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Q: A 5.83-mg sample of compound F (whose empirical formula is CH) dissolved in 57.3 mg of camphor lower...

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Q: A o bond arises from the straight-on overlap of two atomic Sigma Bonding orbitals. The electron dens...

A: In PF5, there are a total of 5 sigma bonds all of which are formed by the sp3d hybrid orbitals. This...

Q: True or False 1. Photodiode arrays are devices within the instrument that help amplify the signal of...

A: *Photodiode is a semiconductor device that converts light energy into electrical energy through a PN...

Q: 1.08 g H2 is allowed to react with 9.83 g N2 , producing 1.36 g NH3 . Part A What is the theoretical...

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Q: If the reaction N2(g) + 3H2(g) = 2NH3(g) is at equilibrium, what direction will the reaction shift i...

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Q: Draw the skeletal structure corresponding to the systematic name of the molecule: 4, 5, 5 - triethy...

A: Given :- systematic name of compound =  4, 5, 5 - triethyl- 2, 2, 4, 6 - tetramethylheptane  To draw...

Q: When magnesium reacts with nitrogen, the reaction container becomes very hot. The ΔH for this reacti...

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Q: 1.In testing a tablet, what are the meaning of these terms Disintegration Basket-rack assembly -  ...

A: We have to tell the definition of :-  Disintegration Basket-rack assembly  Disintegration time  Dis...

Q: Chemistry: Bonding 4a. Draw the Lewis structure for CH4, (methane), NH3, (ammonia), and H20 (wate...

A: The Lewis structures, polarity of bond and the molecule is shown in the step below

Q: Draw the following: 1. The chair structures of the most stable molecule below. (Choose the most stab...

A: This question belong to stereochemistry organic chemistry. We will decide the stability of 2 structu...

Q: Consider the reaction 2H2(g) + O2 (g) = 2H2O(g) How will the equilibrium shift when hydrogen gas is ...

A: HSAB concept- Hard- Hard And Soft-Soft interactions are strong. 

Q: Consider two beams of light: Beam A and Beam B. The energy of Beam A is less than the energy of Beam...

A: Answer is :

Q: For the pyrolysis reaction of propane proceeding at 625 Ky atmospheric pressure C2H2(g) →C2HA(g) + C...

A: Given steps :

Q: CH3 AIC13 + CH;CHCH,Cl

A: The above reaction is known as friedel craft alkylation... When carbonation intermediate is formed t...

Q: Net ionic ea Ca 2+ Có • Cuco3 d) 0.1 M CaCl2 and 0.1 M AGNO3 observations: *ャ 2- 26. Write a molecul...

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Q: A certain element consists of two stable isotopes. The first has a mass of 68.9 amu and a percent na...

A: Mass of first isotopes = 68.9 amu Mass percent of first isotope = 60.4% Mass of second isotopes = 70...

Q: 50.0 g of copper (II) oxide reacts with an excess of ammonia gas in the following unbalanced reactio...

A: Given :-  CuO + NH3 → N2 + H2O + Cu (unbalanced)  Amount of CuO = 50.0 g  To calculate :-  Amount of...

Q: Be sure to answer all parts. Nitrous oxide (N,0) is called "laughing gas." It can be prepared by the...

A: This question belong to main group element that is decomposition reaction of salt. Salt salt may be ...

Q: Be sure to answer all parts. Calculate the percentage composition by mass of each of the elements in...

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Q: Friedel-Crafts

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Q: What coefficients (in order from left to right) are needed to balance the following chemical equatio...

A: Given, ___Fe2O3(s) + ___C(s) → ___Fe(s) + ___CO(g) Coefficients are needed to balance the above equa...

Q: Sodium hydrogen carbonate (NaHCO, ), also known as sodium bicarbonate or "baking soda", can be used ...

A: Given, HCl(aq) + NaHCO3(aq) ➝ NaCl(aq) + H2O(l) + CO2(g) Concentration of HCl solution = 0.035 M = 0...

Q: This is a pushing question. One frequency for ultraviolet blacklights used in nightclubs is 8.11 x 1...

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Q: Problem Solving Write all the steps for the statistical testing. The homogeneity of the chloride lev...

A: Answer is given below

Q: PLEASE HELP DRAW AND WRITE THE REACTION, EQUATIONS AND MECHANISMS FOR THE REACTION OF CYCLOHEXENE WI...

A: Alkene reacts with Br2 in presence of water to give halohydrin. 

Q: spontaneous

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Q: Define combustion. Select all that apply. O The rapid reaction of a substance with oxygen. O The rap...

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Q: True or False 1. A strong signal in infrared spectroscopy indicates that a molecule matches the emit...

A: Infrared spectroscopy is a technique to analyze the type of bonds present in the molecule. When the ...

Q: What is the final glycosidic link to be broken during glycogen debranching? a-1,3-glycosidic linkage...

A: In glycogen debranching also known as glycogenolysis , glucose is free from glycogen.  Phosphorylase...

Q: B. Determine the following: Pm, Pv, Pm/v, XA, m, and M if 107.125 grams NaOH is dissolved in 480 ml ...

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Q: 8 cm th

A: Given that, Dimension of furnace wall,l×b×h=4×3×3 m3  Thermal conductivity of inner brick, kb=0.4 W/...

Q: What is the vapor pressure of a solution of 180 g of glucose in 270 g of water at 25°C if the vapor ...

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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.