Water softening is necessary to prevent clog in plumbing and prevent formation of scum in bathrooms and sinks. O True False

Q: Colligative properties of soln. 1. Calculate the boiling point and freezing point of 30 g sucrose…

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Q: Consider the following ion: BrO3−. a)  Show the full electron configuration for Br.  b)  Draw the…

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Q: 6. Polyethene, aka Polyethylene, is what type of polymer? a. Addition b. Condensation C. Polyamide…

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Q: Is the reaction [Co(NH 3 ) 6 ]^ 3+ +[Cr(H 2 O) 6 ]^ 2+ likely to proceed by an inner-sphere or outer…

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Q: In a 0.50 M solution of Li3PO4 the theoretical value of i is 3 none of the answers are correct 02 04

A: Colligative properties: The colligative properties are those properties of solutions that depend on…

Q: The rate of a chemical reaction is NOT affected by which of the following: O temperature O…

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Q: 1.58g of magnesium hydrogencarbonate was added to a 1.68 mol/L solution of acetic acid, CH3COOH in…

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Q: Products will form faster if the particle size of the reactants are larger. temperature is…

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Q: 11: CH₁0 8 3.0 68 6C62 2H 2.0 1.5 1.0 1462.23 ZVSLET CCRCT 0.5 PPM 1145.86 10$9.05 ca 816 783.20

A: Double bond equivalent is DBE which helps us to get an idea about how many ring or double bond or…

Q: 1) What is the symbol and decimal equivalent for the following metric prefixes: micro and kilo…

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Q: f HCIO with water is 30+ (a + CIO (aq) (aq) 8. If the initial [HCIO} is 0.100 M, what is the

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Q: 4. A structure of molecular formula C5H₁2O has the following NMR: ¹H NMR (300 MHz, CDC13, 21C) 80.92…

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Q: Write the chemical formula and indicate the physical state of the barium chromate (aq) + products.…

A: Write the chemical formula and physical state of the given reactant -->

Q: 3. The Keq for the reaction PC15 PC13 + C12 is 0.0245 at 250 oC. What is the molar conc of PC15…

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Q: A 124.5 g sample of an unknown metal absorbs 1276.25 J of heat, upon which the temperature of the…

A: Given: The mass of the metal sample = 124.5 g The amount of heat absorbed by the metal = 1276.25 J…

Q: ter 12... Compounds i Which has the highest boiling point? Multiple Choice O diesel fuel (composed…

A: Higher the number of carbon higher will be the vanderwaals attraction between the molecules so…

Q: Citric acid, C6H8O7 (aq), is sued to add a sour taste to foods and soft drinks. It is prepared in a…

A: Given  Concentration (c)= 0.52 M pH = 1.72 Ka =?

Q: 1. A student constructed a voltaic cell using nickel and lead as electrodes. He also used 0.50 M…

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Q: NAMING OF ALKANES AND ALKYNES

A: We can write the IUPAC name of the compound according to the given rule... 1. first we identify the…

Q: c. The concentrations of products will not change because the forward and reverse rates are equal.…

A: The rate of a reaction is the ratio between change in concentration with respect to time. It can be…

Q: Consider the following ion: BrO3 − . a) Show the full electron configuration for Br. b) Draw the…

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Q: The reaction 5 CI (aq) + CIO3(aq) + 6 H*(aq) → 3 Cl₂(g) + 3 H₂O(l) is expected to obey the following…

A: The slowest step of the reaction decides the rate of the reaction.  So it is also called rate…

Q: 4. a. What is the pH, and the equilibrium concentrations for [H*], [CH³COO-], [CH3COOH] and [OH-] in…

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Q: Consider a buffer made by dissolving 0.140 mol cyanic acid, HCNO, and 0.11 mol potassium cyanate,…

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Q: H CH₂ CH 3 I -CH3 CH ₂3

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Q: Draw the structure of the hypothetical molecule that has a chemical formula of JX4 Note: • J does…

A: Given,  The valence electrons of J = 6 and X = 7. The structure of JX4 is:

Q: The heat absorbed by melting a solid is known as latent heat of fusion O latent heat of solid…

A: During the change of physical state of compound , heat is absorbed or release whithoit the change in…

Q: How do you calculate mass of a known substance (sodium chloride for example) given its amount in…

A: Given,  If moles of known substance given, the mass of a substance can be calculate by using:

Q: Ksp for CaSO4 is 2.4x10^-5.  Calculate the molar solubility of calcium sulfate

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Q: Q1) A closed system of 2.0 moles of an ideal gas where Cv.m = 1.5R and Cp.m = 2.5R at an initial…

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Q: Calculate the standard entropy values for the following reactions at 25 °C.

A: The Degree of randomness  of one mole of a sample under standard state conditions is known as the…

Q: My available answer options for part B are: A) 5.88x10-1g B) 5.88x102g C) 1.18x100g D) 1.18x103g…

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Q: Mg(HCO3)2 + CH3COOH + H2O = CO2 + H2O + mg (CH3 (00)2

A: The unbalanced reaction is -  Mg(HCO3)2 + CH3COOH + H2O = CO2 + H2O + Mg(CH3COO)2

Q: A particular beer is 6.50 % ethanol by volume (C₂H₆O). If a single bottle of beer contain 750.0 mL…

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Q: 1. Something is unusual about the 4s and 3d orbitals. What do you notice about the order in which…

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Q: Explain why the density of fresh water in the graph decreases as the temperature of the water…

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Q: Which of the two molecules show below would have the higher boiling point? CI H X C H H A H B FC CI

A: Which one having higher boiling point?

Q: 7. The reaction below is a very simplified version of a process involved in epoxy resins and…

A: Epoxide ring opening due to angle strain.

Q: Consider a buffer made by dissolving 0.140 mol cyanic acid, HCNO, and 0.11 mol potassium cyanate,…

A: Given,  Moles of cyanic acid (HCNO) = 0.140 mol.  Moles of potassium cyanate (KCNO) = 0.110 mol.…

Q: Are there any DIFFERENT, new actions you can commit to? POLLUTE OUR WATER LESThink of simple things…

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Q: Identify the unknown particles (AZX) in the equations below. Show your work and mention the names of…

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Q: An electron has the quantum numbers n = 5 and l = 3. What is the atomic orbital in which the…

A: According to quantum mechanics, there are four types of quantum numbers. The electrons are filled in…

Q: What is the difference between AS and AS°for a chemical change?

A: Entropy is a measure of randomness of a system. It can have positive or negative value. It is…

Q: 8. Which of the following is NOT produced during the electrolysis of water? a) Electricity b) Acid…

A: given : electrolysis of water  To find :  which of the given options is not produced by the reaction…

Q: H CH ₂ CH 3 -CH3 CH ₂ 3

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Q: 7. Choose one of the factors affecting rate that is NOT Chemical Nature of Reactants or Catalysts.…

A: 1) temperature 2) surface area

Q: 011/1 H 0 $11 Br H

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Q: a) For a reaction with AH = -152.6 kJ mol-¹ and AS° = -543.8 J K-¹ mol-¹ at 25 °C, how will AG⁰…

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Q: Experimental data for the reaction A2 B + C have been plotted in the following three different ways…

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Q: (1.4)Which of the following is a chemical change? O cutting papers O rusting iron O breaking glasses…

A: Physical changes are the changes in physical properties of a substance. They are generally…