A substance has the molecular formula C3HO6. What is its empirical formula?

Q: How many grams of solid KCl are needed to prepare 250.0 mL of 0.235 M solution? A) 31.3g B) 15.6g ...

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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: b) formation of the cyclopentane ring of prostaglandin Ba. .coM What kind of reaction is occurring?

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Q: Amphetamine, C9H13N, is a potent central nervous system stimulant used in the treatment of ADHD and ...

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Q: Potassium manganate is a dark green , crystalline substance whose composition is 39.6 % К, 27.9% Mn,...

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Q: 3) Show the product(s) & intermediates for the following reactions.

A: In the above reactions the possible products and intermediate are given below.

Q: When you put salts in the fire during a flame test, the flame turns a different color. Is this a phy...

A: When we puts salt in fire during flame test the flame turns to a different color.

Q: molar ratio

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Q: Determine the heat transfer during this process.

A: Energy transferred per kg = 47800 kJ Now, Moles of C7H14 undergoing oxidation = 1 mol Mass of C7H14 ...

Q: Predict the missing reactant of this biochemical reaction: ATP ADP kinase N. That is, in the drawing...

A: In the given reaction we have to predict the starting material. The starting material is shown below

Q: Use the following information to answer the next question. A sample solution contains two unknown io...

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Q: Which one of the following is not a redox reaction? O 2H2O(g) O Zn(s) + 2MNO2(s) – O PBO2(s) + Pb(s)...

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Q: skeletal structure

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Q: oxidized

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Q: Perform the following conversion to the correct number of significant figures using the Dimensional ...

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Q: grams

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Q: Carbon disulfide and carbon monoxide are produced when carbon is heated with sulfur dioxide as follo...

A: Given :-  5C(s) + 2SO2(g)  ⟶ CS2(l) + 4CO(g)  Number of moles of C = 0.7 mol  To calculate :-  numbe...

Q: Classify each of the following reactions: A. C2H4 (g) + 302 (g)→2CO2(g)+ 2H2O(g) B. 2H9O(s)→2H|(1) +...

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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: Classify each of the following reactions as an addition, elimination, substitution. or rearrangement...

A: The basic organic reactions types are addition, elimination, substitution, and rearrangement reactio...

Q: (CH3),CHCI AlCl3 CH2 CH3

A: Given, 

Q: Classify each of the following reactions as a combination, decomposition, single replacement, double...

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Q: 6KNO3 How many moles of KNO, qre Produced If 439 of Ni(NO,)3 reacts

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Q: A solution has a concentration of 16 ppm. Which of the following is another way to describe the conc...

A: Concentration can be described in different ways. One those ways is ppb ( parts per billion) . ppb i...

Q: Consider the following reaction 2Al(OH)3+3H2SO4-->Al2(SO4)3+6H2O how many moles of H2O are formed ...

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Q: Which of the following has the greatest solubility? a. NiS (Ksp = 5.6 x 10-16) 3. %3D b. Fe(OH)2 (Ks...

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Q: Express the concentration of a 0.0490 M aqueous solution of fluoride, F¯, in mass percentage and in ...

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Q: Hydrogen iodide decomposes slowly to H2 and I2 at 600 K. The reaction is second order in HI, and the...

A: The decomposition of hydrogen iodide is a second-order reaction. The rate constant for the second-or...

Q: Write a net ionic equation for the reaction that occurs when aqueous solutions of sodium hydroxide a...

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Q: How many grams of Co are there in a sample of Co that contains 9.57×1023 atoms? grams

A: 1 mole of any atom corresponds to Avagadro's number i.e. 6.023 x 1023 atoms. Therefore, Cobalt (Co) ...

Q: Be sure to answer all parts. Pheromones are a special type of compound secreted by the females of ma...

A: For this question, first calculate number of moles for pheromone and then convert that moles in numb...

Q: An analytical chemist is titrating 164.9 mL of a 0.3400M solution of propylamine (C,H,NH,) with a o....

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Q: a. Two compounds have the same composition: 92.25% C and 7.75% H. Obtain the empirical formula corre...

A: Empirical formula is the simplest formula of a compound where atoms of participating elements are pr...

Q: In each of the following molecules 1-8, identify the relation between the circled hydrogen atoms as ...

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Q: OH cat. Me H3C H;C HO CH3 wi

A: This reaction is a typical example of condensation reaction between two equivalents of carbonyl comp...

Q: How is the bonding in HBr similar to the bonding in H2? How is the bonding in HBr different than the...

A: There are generally two type of bonds :-  covalent bond (formed by sharing of electrons between the...

Q: Solid aluminum and oxygen gas combine in a synthesis reaction. 4.80mol of powdered aluminum is place...

A: Given, Moles of aluminium (Al) = 4.80 mol Moles of Oxygen gas (O2) = 3.00 mol Mass (in grams) of Alu...

Q: Explain how to obtain larger particles based on the relative supersaturation

A: This explained by von weirmarn equation...

Q: reaction quotient

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Q: ) How many grams of N,0 are formed if 0.359 moles of NH,NO, are used in the reaction?

A: Chemical reaction involved : NH4NO3(s)------> N2O(g) + 2H2O(g) Number of moles of substance  = (g...

Q: Determine the [H3O+] of the eight buffer solutions made by mixing 1.10 M acetic acid and 0.900 M sod...

A: [Acetic Acid] = 1.10 M [Sodium acetate] = 0.9 M   We have to determine the concentration of hydroniu...

Q: What is the percent by mass of iron (Fe) in FeCO3?

A: Molar Mass of FeCO3 = 115.85 g/mol Weight of 1 Fe atom =55.85 Weight of 1 C atom = 12 Weight of 3 O ...

Q: How many grams of oxygen are there in 91.1 g of C2H6O? please show each steps

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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: A reaction vessel is charged with 0.50 atm of A and 0.180 atm of B. Once the reaction reaches equili...

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

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Q: What is the molar ratio of the balanced chemical equation? N2H4 (l) + N2O4 (l) → 2

A:   Given reaction is hydrazine reacts with dinitrogen tetraoxide to give nitrogen gas and water  To t...

Q: Consider the following reactions and their respective equilibrium constants: NO(g) + Br2 (9) =NOB|(9...

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Q: How many grams of KBr, 119.0 g/mol, are required to prepare 0.986 moles of Br2 according to the bala...

A: KBrO3   +   5 KBr   +   6 HNO3 →   6 KNO3  +  3 Br2  + 3 H2O                  595.0 g    Molar mass ...

Q: What are the problems encountered if tablets are under or excessively lubricated?

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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.