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Q: The combustion of octane (C8H18) gas. The combustion of decane (C10H22) gas.

A: According to the Law of conservation of mass " all atoms of different elements must be equal on both...

Q: Sulfur dioxide and oxygen react to form sulfur trioxide, like this: 2 SO2(9)+O2(9) –→ 2 SO3(9) The r...

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Q: 22. In the equation: HA ⇔ H+ + A- the buffer ratio is [A-] / [HA]       True     False

A: What is buffer ratio in dissociation of acid--

Q: Which of the following statements about the van Deemter equation H= A+ Blu+ Cu is incorrect? O A. Th...

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Q: 4. When the following redox reaction is correctly bala Cl2 + MnO2 (s) → CIO3 + Mn2+ (aci what is the...

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Q: Which of the following statements are always true for a reaction at equilibrium? I. The rate of the ...

A: In the question it is asked to state which statement is true for a reaction at equilibrium.

Q: 1 2. Which indicated protons would be most downfield and which would be most upfield in an NMR spect...

A: More the Deshielding more will be downfielded the hydrogen . More the Electron Donating group more w...

Q: In a normal neuron, consider the following ionic concentration of cation X: Ion inside: 200mM Ion ...

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Q: Enter your answer in the provided box. A volume of 36.2 mL of a 0.568 M Ca(NO3)2 solution is mixed w...

A: The concentration of the solution formed by mixing of two or more solutions containing the same solu...

Q: 10a.Bulletproof vests are made of the polymer called Kevlar. It is produced by the polymerization of...

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Q: Given the following thermochemical equations: 2NO(g) + O2(g) –→ 2NO2(g) AH° = -113.2 kJ %3D 2N,0(g) ...

A: Calculate change enthlpy of the given reaction above----

Q: Hydrofluoric acid and water react to form fluoride anion and hydronium cation, like this: HF(aq)+H,O...

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Q: Calculate the equilibrium concentration of HC204 in a 0.20 mol L-1 solution of oxalic acid. Express ...

A: Given data, molarity of oxalic acid= 0.20 M  Ka of oxalic acid= 5.37 *10-2 

Q: Osmium tetraoxide, OsO4 is a molecular crystal. Which of the following general properties would you ...

A: Properties of osmium tetraoxide 

Q: Synthesis 10. of six carbons or fewer and any needed inorganic reagents. Propose a synthesis of the ...

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Q: Which one of the following salts will form an acidic solution when dissolved in water? A. NaNO3 B. N...

A: A salt is formed by the composition of an acid and base. If a salt dissolved in water and form a str...

Q: Which of these structures shows how the pictured molecule will look after it is flipped over horizon...

A: Observations and conclusions: 1) Upon flipping, the atoms/groups on the axis would just change their...

Q: rrent Attempt Progress How many grams of water can be heated from 28.0°C to 38.6°C by the heat relea...

A: Given, Mass of copper = 85 .5 g  Specific heat of water = 4.18 J/g°C  Specific heat of copper = 0.38...

Q: How many equivalent particles are inside a face-centered cubic unit cell? --> particles How many equ...

A: In a face centred cubic unit cell, atoms are present at the 8 corners as well as at the centres of 6...

Q: A student heats 63.74 grams of nickel to 98.87 degree celcius and then drops it into a cup containin...

A: heat capacity formula : Q =m*c*△T Q = heat energy m = mass  c = specific heat capacity  △T = T(final...

Q: [so} ] = 3.

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Q: Pls help ASAP. Pls show all work.

A: The Hess's law states that the enthalpy change in a chemical process is equal to the sum of the enth...

Q: che mass

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Q: Measurements show that the enthalpy of a mixture of gaseous reactants decreases by 388. kJ during a ...

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Q: If 55.0 mL of a 0.25M solution of Mg(OH)2 is spilt on the floor, what volume, in mL, of 0.15M HBr  i...

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Q: For a theoretical yield of 5 g and percent yield of 53.7015%, calculate the actual yield for a chemi...

A: Given :-  Theoretical yield = 5 g  Percent yield = 53.7015%  To calculate :-  Actual yield (in g)

Q: its molarity is

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Q: Draw the following compounds 1. 2,3,3-trimethyl-1,4,6-0ctatriene 2. 4,4-dimethylcycloheptene 3. 1,5-...

A: IUPAC naming help us to draw organic compounds. Full form of IUPAC is international union of pure an...

Q: Enter the solubility expression for Mg;(PO,),(s). Ksp

A: Solubility product constant (Ksp) expression:    

Q: How much energy is required to raise the temperature of 13.0 grams of solid silver from 22.0 °C to 3...

A: Ans. 49.07 Joules

Q: O CHEMICAL REACTIONS Theoretical yield of chemical reactions Liquid octane (CH;(CH,) CH,) reacts wit...

A: Balanced reaction is as :-  2C8H18(l) + 25 O2(g) ---> 16CO2(g) + 18H2O(g)

Q: A virus has a mass of 9.0 x 10 o-12 mg and an oil tanker has a mass of 3.0 x 10' kg. Use this inform...

A: Given:- A virus has a mass of 9.0 × 10-12 mg and an oil tanker has a mass of 3.0 × 107 kg. To find:-...

Q: 2. Provide the arrow pushing mechanism for the following reaction. Hint: it is a two-step mechanism....

A: In second step, bromide ion attacking via sn2 manner. Hence we get anti(trans) product. 

Q: Green plants use light from the Sun to drive photosynthesis, a chemical reaction in which liquid wat...

A: Given Moles of CO2 = 0.085 mol

Q: sodium peroxide

A: In this question we have to explain that what is the purpose of adding excess sodium peroxide in In ...

Q: Vapour pressure of pure water at 293K is 0.02308 atm. The partial pressure of water is observed to b...

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Q: 7a. What are the products of the following reaction? HO. H. 7b. Draw the products of the two reactio...

A: All the reaction occurs via two steps. Acid chloride and esters acts as electrophile . Nucleophilic ...

Q: Liquid octane (CH, (CH,),CH;) CH;) reacts with gaseous oxygen gas (0,) to produce gaseous carbon dio...

A: Given that, mass of octane= 92.52 g , molar mass = 114 g mol-1  mass of oxygen= 217.1 g , molar mass...

Q: Hlendmo 7. Writing and Balancing Reactions. Write and Balance the following reactions with the infor...

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Q: . How many grams of Ca(OH), are needed to neutralize 25.0 mL of 0.100 M HNO,? The reaction proceeds ...

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Q: 3. At 40°C, the blood has an osmotic pressure of 8.02 atm. How many grams of glucose contained in a ...

A: Given Data: Temperature (T) = 40°C = (40+273.15) = 313.15 K The osmotic pressure of blood and the gl...

Q: At 450ºC, the equilibrium constant Kp for the reaction PCl5(g)  PCl3(g) + Cl2(g) is 2.33. Sufficient...

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Q: 16. Some factors have a proportional effect on reaction rates. Choose two (2) factors that have a pr...

A: A rate of reaction means the speed at which a chemical reaction take place . There are many factors ...

Q: 1. For each of the following reactions, identify the category of reaction, balance lne reaction, and...

A: The correct answer is given below

Q: B C A CH3 CH3 CH3 CH3 H3C CH3

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Q: science / che Questic Questic Recryst Lab Repor cinnamic aci you weighed of benzoic a in cold wate s...

A: The solubility of benzoic acid is 0.34 g per 100 mL of cold water.

Q: octane is combusted ide may form If 100

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Q: An aqueous solution of hydrochloric acid contains 28% HCl (36.45 g/mol) by mass. What is the molal c...

A: The mass of solute in gram present in 100 g solution is known as the mass percent concentration of a...

Q: 25.  A buffer is prepared using acetic acid, CH3COOH, (a weak acid, pKa = 4.75) and sodium acetate,...

A: Buffer solution is the solution which has tendency to maintain constant pH upon addition of small am...

Q: . In a titration of a strong base with a weak acid at 25oC, the theoretical pH at equivalence point ...

A: In a titration of a strong base with a weak acid at 25 oC, the theoretical pH at equivalence point i...