In each row check off the boxes that apply to the highlighted reactant. reaction HNO₂(aq) + C₂H₂NH₂(aq) → NO₂(aq) + C₂H²NH²(aq) BH3(aq) + NH3(aq) → BH₂NH₂(aq) N₂(g) + 3 H₂(g) → 2 NH3(g) The highlighted reactant acts as a... (check all that apply) Brønsted-Lowry acid Brønsted-Lowry base Lewis acid Lewis base Brønsted-Lowry acid Brønsted-Lowry base Lewis acid Lewis base Brønsted-Lowry acid Brønsted-Lowry base Lewis acid Lewis base 000 X ?

Q: NH₂

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Q: Why is the value of the Ksp for 0.01 g PbCl2 and 1.00 g PbCl2 the same after adding 1.00 M NaCl?

A: Given statement is :  Why is the value of the Ksp for 0.01 g PbCl2 and 1.00 g PbCl2 the same after…

Q: Balance the reaction between Fe and NO3 to form Fe2+ and NO in acidic solution. When you have…

A: We are to balance the reaction Fe + NO–3  →    Fe+2 +  NO in an acidic medium.

Q: Values of K, for Some Common Weak Bases Name Formula Ammonia NH3 CH,NH, Methylamine Ethylamine…

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Q: Your exhaled breath is saturated in water vapor (until it dilutes with air). What is the partial…

A: Given: The breath exhaled is saturated in water vapour. And the temperature is 30.0 oC.

Q: What is the percent concentration by volume of wine made by mixing 37 mL ethyl alcohol and 120 mL…

A: All the necessary calculations have been done in the following step.

Q: Is possible to make a buffer pH 4 at 1mM using methanesulfonic acid and sodium tartrate? Please…

A: To explain: Is it possible to make a buffer pH 4 at 1mM using methanesulfonic acid and sodium…

Q: Example 6. Why does Mn(II) show maximum paramagnetic character amongst the bivalent ions of the…

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Q: Provide a short answer for why the secondary alkyl halide is the major product versus the tertiary…

A: Note : Secondary alkyl halide is more substituted olefin threrefore more stable. More stable product…

Q: Draw the structure of the major organic product of the reaction shown. Select Draw KMnO heat H C…

A: In this question we have to tell the major organic product of the reaction.

Q: Using the table of the weak base below, you have chosen Aniline as your weak base in the buffer…

A: Given: Buffer solution of weak base aniline (assuming B) and its conjugate acid HB+. pH of solution…

Q: Onch of the sin and amino acids would be negative qF pk = + ? ੬x| () P (3) V c) ੬ ੭) k

A: we need to tell which amino acid is negatively charged at pH = 7

Q: How many grams of KNO3 is needed to prepare 500 mL of a 0.1 M solution?

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Q: identify whether each species functions as a Bronsted - lowery and of Bronsted Lowary base in net…

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Q: 9. H₂ Pa/c in Co

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Q: Calculate AG and the equilibrium constant for the following reaction at 298 K: Zn²+ (aq) + Ni(s) →…

A: The ΔG° and equilibrium constant are related to E°cell value of the cell reaction as - ΔG° = -…

Q: Hydrogen gas is bubbled into a solution of barium hydroxide that has sulfur in it. The unbalanced…

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Q: Calculate the ΔG°rxn using the following information. 4 HNO3(g) + 5 N2H4(l) → 7 N2(g) + 12 H2O(l)…

A: Given: ΔH°f(HNO3)= -133.9 kJ/mol ΔH°f(N2H4)= 50.6 kJ/mol ΔH°f(N2)= 0 kJ/mol ΔH°f(H2O)=  -285.8…

Q: What is the molarity of a solution made with 126.32 g of calcium phosphate, Ca3(PO4)2, dissolved to…

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Q: EO = Eº 1.500V = 3+ / Au is more and hence it will reduce. Eº 1.500V Cathode Eº 0.440V = Anode -…

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Q: Write the equilibrium expression for each of the following reactions. a. 203(g)=302(g)

A: Equilibrium constant is the ratio of product of concentration of products raised to their…

Q: For which of the following reactions is AS° > 0. Choose all that apply. 2H₂O(g) + 2SO₂(g) → 2H₂S(g)…

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Q: Determine if the synthesis of sulfuric acid is a spontaneous reaction at 25°C. Chemical Equation: S+…

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Q: Bromine has two isotopes, Br-79 and Br-81. Their abundances are 49% and 51%, respectively. Chlorine…

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Q: Molten RbCI can be electrolyzed to form metallic Rb. For what duration should an electrolysis be…

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Q: Consider the diatomic cation NF2+. Draw the MO diagram and answer the following questions (A) The…

A: Here we are required to draw the MO of NF2+ cation

Q: An allylic free radical halogenation occurs to give the major product shown. Note NBS is a source of…

A: The reaction mechanism given is,

Q: 3. Why do the glasswares need to be rinsed with 0.1 M HNO3 prior to use?

A: M symbol denote molarity that determines concentration of nitric acid. Acid is a substance that give…

Q: Calculate the potential developed by a voltaic cell using the following reaction dissolved species…

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Q: Predict the products when 1-propanol is heated in the presence of H*. H H₂SO, 1-propanol catalyst H…

A: n-propanol on heating with H2SO4 produces 1-propene at higher temperature. n-propanol on heating…

Q: a which of the following monomers could form an addition polymer? C₂F4 CH3–CHz–NHz C3H8…

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Q: Use the References to access important values if needed for this question. A 16.4 gram sample of…

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Q: Consider this reaction: 2HI (g) → H₂(g) + 1₂ (8) At a certain temperature it obeys this rate law. =…

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Q: Is possible to make a buffer pH 4 at 1mM using methanesulfonic acid and sodium tartrate? Please…

A: To explain: Is it possible to make a buffer pH 4 at 1mM using methanesulfonic acid and sodium…

Q: SO₂(g) + NO₂(g) = SO3(g) + NO(g) If all four gases had initial concentrations of 0.650 M, calculate…

A: Given : Initial concentration = 0.650 M

Q: efficiency

A: We know that, In chromatography, column efficiency is measured in terms of number of theoretical…

Q: Consider the following reaction at 298K. Hg2+ (aq) + Ni(s)→→→→→ Hg(l) + Ni²+ (aq) The standard Gibbs…

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Q: 1. A 20.0 mL sample of a 0.240 M hydrofluoric acid (HF) solution is titrated with 0.200 M NaOH.…

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Q: The hydroxide ion concentration in a bottle of household ammonia is 0.0082 M. What is the pH, pOH,…

A: • The values provided in the question are:-    i) Hydroxide ion concentration of a ammonia solution,…

Q: Using chemical equations, show how the triprotic acid H3PO4 ionizes in water. Phases are optional.…

A: The equilibrium constant of an acid-base reaction is known as ionization constant.…

Q: Be sure to answer all parts. When an aqueous solution containing gold (III) salt is electrolyzed,…

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Q: The acid-dissociation constant (Ka) of hydrocyanic acid (HCN) at 25.0°C is 4.9 × 10-10. What is the…

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Q: X D LQ A Z H|V R 5 E You will use the known periodic trends to compare properties for elements…

A: The elements given are,

Q: Eight replicate measurements were made on a test solution producing the following results for the…

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Q: Cl -OCH₂CO₂H Show how 2,4-Dichlorohenoxyacetic acid or 2, 4-D can be 2,4-dichlorophenoxyacetic acid…

A: Phenols react with NaOH and gives phenoxide ion. Phenoxide react with alkyl halide gives phenoxy…

Q: 18. What reagent(s) are suitable to carry out the conversion shown? OH OH A. 1. OsO4, NMO; NaBH4,…

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Q: Without doing a calculation, predict the sign of ΔS for each of the following reactions:

A: Given : We have to predict the sign of entropy.

Q: A 0.5843-g sample of a plant food preparation was analyzed for its N content by the Kjeldahl method,…

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Q: A cell is constructed by immersing a strip of silver in 0.10 M AgNO 3 solution and a strip of lead…

A: Given: Cell prepared by AgNO3/Ag and Pb(NO3)2/Pb halves. And the concentration of Ag+ (from AgNO3 )…

Q: 2. Draw the complete, detailed mechanism (curved arrows) for the addition of HCI and water to…

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States of Matter

The substance that constitutes everything in the universe is known as matter. Matter comprises atoms which in turn are composed of electrons, protons, and neutrons. Different atoms combine together to give rise to molecules that act as a foundation for all kinds of substances. There are five states of matter based on their energies of attraction, namely solid, liquid, gases, plasma, and BEC (Bose-Einstein condensates). 

Chemical Reactions and Equations

When a chemical species is transformed into another chemical species it is said to have undergone a chemical reaction. It consists of breaking existing bonds and forming new bonds by changing the position of electrons. These reactions are best explained using a chemical equation.