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Q: A 5.235.23 g sample of calcium sulfide was decomposed into its constituent elements, producing 2.912...

A: According to Law of Definite Proportions, compounds always occur in a certain fixed ratio. For water...

Q: TRUE OR FALSE SAPONIFICATION

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Q: What is the wavelength of light, with an energy of 3.18 x 10-19 J?

A: Given is, Energy = 3.18 x 10-19 J

Q: QUESTION 29 What statement(s) about cyclohexanol and phenol is (are) correct? OH OH cyclohexanol phe...

A: Which statement about cyclohexanol and phenol is correct ?  A. Cyclohexanol is a stronger acidic tha...

Q: A gas is heated by adding 30. kJ of heat to the gas.  As it heats, it also expands from 30. L to 50....

A: • The values provided in the question are:-  i) Quantity of heat energy absorbed by the gas, Q = 30 ...

Q: The ôxidative cleavage of this phytometabolite with ozone, followed by Zn treatment with acetic acid...

A: Oxidative cleavage with ozone leads to carbonyl compounds. The site of cleavage is the double or tri...

Q: Select all the solvents/solutions in which you would expect this compound to dissolve: CI. ОН Dilute...

A: Polar compounds are soluble in polar solvents.

Q: H2N. HCI

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Q: An element has three naturally occurring isotopes with the following masses and abundances= Isotopic...

A: Given  Isotope  Mass            Fractional abundance    19.992    ( m1 )                    0.9048 (...

Q: A 2.50 g sample of Ag SO4 (s) is added to a beaker containing 0.150 L of 0.025 M BaCl2. a) Write an ...

A: Given , mass of Ag2SO4(s) = 2.50 g Volume of BaCl2= 1.50 L Concentration of BaCl2= 0.025 M

Q: 3. For each of the following atomic numbers, use the periodic table to write the formula (including ...

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Q: A 14.5 g sample of an aqueous solution of hydrobromic acid contains an unknown amount of the acid. I...

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Q: Vinyl alcohol H. Он

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Q: What is the major product to the following elimination reaction? DBN Br nts as ations aculty

A: When 1-bromo 2-methylpentane reacts with the DBN( a non nucleophilic bulky base) then it reacts with...

Q: Based on 13C-NMR data, what compound corresponds to the following spectrum? A A B с с D D E E B

A: In 13 c nmr spectra number of protons are equal to number of chemically non-equivalent carbons 

Q: Ammonia has been studied as an alternative "clean" fuel for internal combustion engines, since its r...

A: Given: The volume of the container, (V) = 2.0 L. The initial pressure of NH3(g) = 3.3 atm. The initi...

Q: Problem: The three main components of air are carbon dioxide, nitrogen and oxygen. In a sample conta...

A: Given: The three components of air are carbon dioxide, nitrogen, and oxygen. The partial pressure of...

Q: Hydrogen sulfide is a gas with the odor of rotten eggs. The gas can sometimes be detected in automob...

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Q: Draw the structure of the ester hydrate

A: Ester hydrate

Q: the laboratory, a student dilutes 28.1 mL of a 8.85 M hydrobromic acid solution to a total volume of...

A: In this question, we will determine the concentration of dilute solution.  You can see the whole cal...

Q: When 4.54 grams of C6H14 reacts in a combustion reaction with 10.79 grams of O2, what are the masses...

A: Given;

Q: A sample of a radioactive metal starts with a mass of 400 grams. When a chemist examines it later, i...

A: 25 g of metal remains after 4 half-lives.

Q: Instructions: Below is a Concept Map on Enthalpy with missing concepts. Provide the missing concept ...

A: Lattice energy is the energy required in the conversion of one mole of an ionic compound into its co...

Q: Write the equilibrium constant expression, Kc, for the following reactions. Indicate also if the equ...

A: Since you have posted a question with multiple sub-parts, we will solve the first three sub-part for...

Q: How many mL of an aqueous solution of 0.182 M iron(II) nitrate is needed to obtain 5.43 grams of the...

A: 165.89 mL of an aqueous solution of 0.182 M iron (II) nitrate is needed to obtain 5.43 grams, that i...

Q: What is the main product of the following reaction? CH3 Br2 H2O

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

A: The effective ions participating in a chemical reaction to form the desired products are the constit...

Q: 2NO + 3S+ 4H2O2NO3- + 3H2S+ 2H+ In the above reaction, the oxidation state of sulfur changes from ...

A: The given redox reaction is : 2NO  +  3S  +  4H2O  →  2NO3-  +  3H2S  +  2H+

Q: Draw the major product for each reaction. HNO3 H,SO4 O,N fuming H,SO4 NO2 OMe CI AICI3

A: Note: As per company norms we can answer only 3 subparts. Please share rest of the parts as a separa...

Q: 5-methyl-3-hexen-1-yne structure

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Q: Small amounts of oxygen can be generated by the thermal decomposition of KClO 3; 2 KClO 3(s) ↔ 2 KCl...

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Q: A sample of N2 gas occupies a volume of 375 mL at 25 degrees Celsius and a pressure of 1.0 atm. Dete...

A: Given;

Q: As a pure substance, which of the following could experience dipole-dipole interactions? 1. CO, II. ...

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Q: Calculate the volume, in dm³, occupied by 26.4 g of carbon dioxide at r.t.p. 24 a (A, values: C = 12...

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Q: How would the following errors affect the empirical formula for the compound?

A: The detailed solution is attached below. A proper explanation is also given.  

Q: QUESTION 2 Consider Figures 1 and 2. Choose the statement that is TRUE. 1. 2. Reactants Free Free en...

A: B ) Figure 1 represents a spontaneous reaction while figure 2 does not

Q: A compound of C and H burns in the presence of oxygen to produce 46.39 g CO2 and 18.99 g H2O. Given ...

A: 18 gm H2O contains 2 gm H  18.99 gm H2O contains = (18.99*2)/18 = 2.11 gm H  44 gm CO2 contains 12 g...

Q: diioys For each, determine whether its crystal is FCC, BCC or simple cubic. ALLOY ATOMIC WEIGHT (g/m...

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Q: What is the major product to the following elimination reaction? CH,OH Br

A: When 3° alkyl halide present then first form carbonation

Q: A trisubstituted cyclohexane compound is given in its chair conformation. Draw the corresponding pla...

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Q: Hydrazine (N2H4) and hydrogen peroxide (H2O2) have been used as rocket propellants. They react accor...

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Q: How many protns, neutrons and electrons are in a 80Se2- nuclear symbol?

A: The given element is Selenium. We have to calculate the number of protons, electrons, and neutrons i...

Q: What volume of a 0.162 M potassium hydroxide solution is required to neutralize 10.4 mL of a 0.158 M...

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Q: If the ΔE of a system is positive, then _________. A.  The surroundings are gaining energy B.  The...

A: If the ΔE of a system is positive, then _________

Q: Which of the following are chemical changes? a. Sawing a log b. Copper oxidizing c. burning a log...

A: Physical change : In the physical change substance can not forming new different substance and it is...

Q: A group of students were able to isolate a novel amylase from the saliva of a pig found in Country A...

A: Given the desired pH = 7.4  We can find the most suitable buffer based on the Henderson equation.

Q: What product prepared for preparation of p-Nitroaniline.

A: In preparation of p-nitroaniline first p-nitroacetanilide is prepared from acetanilide by nitration ...

Q: 2. Given the following reactions: 2 H20 +2 H2 + O2 AH = 480 kJ 2 HNO3 N2O5 + H20 AH = 85 kJ HNO3 → 1...

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Q: The temperature of the cooling water as it leaves the hot engine of an automobile is 240 °F. After i...

A: Amount of heat transferred Q = mCΔT Given - - > Initial temperature = 240 °F = 115.56°C We know t...

Q: 7. Predict the sign of AS for each of the following processes: a. Recycling glass. b. Freezing water...

A: Given that : We have to predict the sign of entropy for the following processes : a. Recycling glass...