Aqueous solutions of barium nitrate and potassium phosphate are mixed, and a reaction occurs. What is the chemical formula of the precipitate that forms

Q: 8. The standard Gibbs energy of the reaction N, (g) + 3 H₂ (g) → 2 NH, (g) is -32.9 kJ/mol at 298 K.…

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Q: sample of argon gas is held in a sealed container at a pressure of 2.24 atm at 48.0°C. What will the…

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Q: The average bond order is the number of bonds between two atoms taking into account resonance. Draw…

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Q: y=& OH g) LAH A CI 1) Naº 1) Mg 2) CO₂ 2) Bri ОН of S I no KOBr NH₂ H3C K₂Cr₂O7 A h) A H* CH3 H3O* B…

A: The above problems are based on the interconversion of functional groups by using wide variety of…

Q: A model of an alkane appears in the window below. ball & stick ♥ - + labels Which of the following…

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Q: O H

A: The name of the compound will be 1-phenylmethanal  Explanation -->  In the given structure there…

Q: An analytical chemist is titrating 186.4 mL of a 0.3400M solution of methylamine (CH3NH₂) with a…

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Q: 3) Draw all possible resonance structures for the following. For each molecule If any appear…

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Q: For each of the following pairs of substances, which substance has the greater value of Sº? a.…

A: This question is based on the concept of Entropy  We have to select the substance which has greater…

Q: How many bands do primary amines have in the region of 3200-3400 om in the inirared? a) zero b) one…

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Q: Use our model of ionic bonding to predict the formula of the compound that forms between the…

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Q: uestion 6 of 17 > ao If 7.67 g of CuNO, is dissolved in water to make a 0.380 M solution, what is…

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Q: mercury(II) oxide(s) → mercury (1) + oxygen (g) Volume = L

A: Pressure = 1 atm  Temperature = 25°C

Q: 24. A pressure cooker reduces cooking time because a. The heat is more evenly distributed. b. The…

A: Given problem number 24,25 & 26. We need to select the correct answer of the given problems.

Q: A pharmacist works with a 1.75 M solution of sodium bromide (NaBr) and water. The volume of the…

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Q: 13 Lewis Structure (with formal charges) VSEPR Shape Hybridization of central atom Bond types with…

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Q: At 25.0 °C the Henry's Law constant for carbon dioxide (CO₂) gas in water is 0.031 M/atm. Calculate…

A: First we need to calculate solubility using Henry's law. Then we can calculate moles using…

Q: What must be present in monomers when they react in an addition reaction to create polymers?…

A: To solve this problem we have to know about the formation of polymer .

Q: H3C de OH HNO3 H₂SO4 SO3 H₂SO4 b) NH₂ B 1) HNO2 2) CUCN A Br₂ FeBr3 NH₂ -MgBr₂ OH & D & D CrO 3 A C)…

A: This is aromatic substitutions reaction.  Nitration, sulphonation and halogenation

Q: 5. Give the product(s) obtained from the reaction of the following compound with Bry/FeBr 3:

A: Methyl group (-CH3) is ortho-para directing group. Para position is blocked so Br is attached at…

Q: Macmillan Learning tion 13 of 21 > T₁ = P₁V₁ T₁ = The combined gas law states that for a fixed…

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Q: Including the cis or trans designation, what is the IUPAC name of the following substance? It is not…

A: We have find out IUPAC Nomenclature of given structure.

Q: The preparations of two aqueous solutions are described in the table below. For each solution, write…

A: We have to solve the above question.

Q: Consider the reaction: H₂CO(g) + O₂(g)CO₂(g) + H₂O(1) Using standard thermodynamic data at 298K,…

A: The balanced chemical equation given is H2CO (g) + O2 (g) → CO2 (g) + H2O (l) The number of moles of…

Q: Which of the following diatomic molecules will have the highest boiling point and why? a) H₂ b) N₂…

A: The diatomic gases given are H2, N2, O2 and Cl2.

Q: Pressure, P = 30 MPa 1 MPa = 9.869 Atm 30 MPA = temperature, T = 158°F = 343.15° K 296.077 Alm PV =…

A: Ideal gas equation: PV = nRT  P = Pressure V = Volume R = gas constant T = Temperature n = number of…

Q: Calculate the Rf value if the solvent moved 13.3 cm and an ink component moved 8.7 cm.

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Q: The value of AH° for the reaction below is -186 kJ. H2 (g) + Cl2 (g) → 2HCl (g) - The value of AH°f…

A: • The given reaction is,         H2(g) + Cl2(g) → 2HCl(g)   • The values provided in the question…

Q: How much heat energy, in kilojoules, is required to convert 67.0 g of ice at -18.0 °C to water at…

A: The mass of the ice sample is = 67.0 g The initial temperature of the ice is = -18.0oC The final…

Q: A 300 ml 1.6 M solution of an acid (HA), has a pH of 2.1 at 25oC. What is the Ka for this acid?…

A: Answer:- This question is answered by using the simple concept calculation of ionization constant of…

Q: 7.00 L tank at 4.79 °C is filled with 7.87 g of boron trifluoride gas and 12.6 g of sulfur…

A: Here we are required to find the mole fraction and partial pressure of the gases present in the…

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Q: Compound 7 is a neutral, low-melting solid (mp-22.24C) Elemental Analysis: C-72.00%, H-6.67%,…

A: Given C = 72.00 % ; H = 6.67 % and O = 21.33 %

Q: For the reaction 2BrF3 (9)→ Br2(g) + 3F2 (9) AG = 461 kJ and AH 542 kJ at 301 K and 1 atm. This…

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Q: Write the empirical formula for at least four ionic compounds that could be formed from the…

A: To solve this problem we have to write the chemical formula of given ions  Xn+ + Ym- ---------->…

Q: (1) What is the complete ground state electron configuration for the potassium atom? (2) What is the…

A: Given : elements Tip : atomic number of potassium is 19 and atomic number of manganese is 25.

Q: Match the definition with it's correct word. A mixture composed of a solute dissolved in a solvent.…

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Q: Match the type of preparation with the representative element

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Q: If it is know that a solid drain cleaning tablet contains potassium hydrogen oxalate as its active…

A: Given: Acid present in the tablet = potassium hydrogen oxalate, KHC2O4 Molarity of NaOH (base) used…

Q: Macmillan Learning A sample of an ideal gas has a volume of 2230 mL at 6.97 °C and 863 torr.…

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Q: H₂S(g) + 2 H₂O(1) 3 H₂(g) + SO₂(g) Using the standard thermodynamic data in the tables linked above,…

A: The given balanced chemical reaction is  H2S (g) + 2 H2O (l) →3H2 (g) + SO2 (g)  The equilibrium…

Q: What is the total concentration of hydrogen ion, H+, present in a water sample if 100. mL of the…

A: Question is about acid base neutralisation. If 8.1 ml of 2.1×10–3 M NaOH is needed to neutralize the…

Q: Consider the reaction 4HCI(g) + O₂(g) 2H₂O(g) + 2Cl₂(g) Using the standard thermodynamic data in the…

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Q: A reaction profile (not to scale!) for the reaction O₂ + NO₂03 + NO is shown below: LA 211 O2 + NO2…

A: Generalized energy profile diagram for an exothermic reaction and endothermic reaction is

Q: If 20.0 mL of 0.500 M Ca(OH)2 is titrated with 0.250 M HNO3. what volume of nitric acid is required…

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Q: In Problem Set #4, the equilibrium constant was calculated at 298 K for reaction: N2O4 (g) → 2 NO2…

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Q: What is the pH -determining equation for: A) 0.010 M NaCl B) 1.0 M NH4Cl C) 0.010 M Na2CO3  D) 0.010…

A: Use pH scale to find it's acidity and Basicity.  pH = -(log 10 x)    NH4Cl is acidic salt.

Q: 12. H₂C H₂C 600 4000 CH₂ H₂C 12 CH₂ CH3OH CH₂CH3OH CH3CEN Which one of these 17 compounds is…

A: IR spectroscopy is used to determine the functional groups present in the sample. Different…