Because of its bent structure and the fact that the oxygen atom attracts electrons more strongly than hydrogen atoms, a water molecule behaves like _________ having opposite electrical charges at either end.

Q: The weak acid HZ has a Ka of 1.55 x 10-4. Calculate the pOH of 0.045 M HZ.

A: Weak acid will dissociate partially to give hydronium ion in solution . So we need to draw ICE table…

Q: What are ΔS, ΔSsurroundings and Stot for a mole of perfect gas that halves its volume isothermally…

A: ∆Ssystem = -∆Ssurrounding ∆Stotal = 0 (for reversible)

Q: Br bromobenzene 1) Mg, Et₂0 2) (acetone) HO, 2-phenyl-2-propanol please show the COMPLETE mechanism!

A:

Q: (a) mixing 50.0 mL of 0.100 M HCN with 50.0 mL of 0.100 M NH3? NH3(aq) + HCN(aq) ⇒ NH4+ (aq) + CN…

A:

Q: Draw and make models of cis-2-butene and trans-2-butene. Are these molecules mirror images of each…

A: Given molecule : cis-2-butene and trans-2-butene

Q: A     student     carried     out     the     reaction     below     starting     with     1.993…

A: Number of moles is calculated by dividing the given mass with molecular mass. In the given question,…

Q: 2A⟶3B2A⟶3B   How many molecules of substance B are produced when 26.3 g26.3 g of substance A…

A:

Q: Consider the reaction.   2Pb(s)+O2(g)⟶2PbO(s)2Pb(s)+O2⁡(g)⟶2PbO(s)   An excess of oxygen reacts…

A: Lead reacts with oxygen to form lead(II) oxide. The equation for the balanced chemical reaction is…

Q: Make an outline of the separation of the following cations into their respective groups: a. mercury…

A: Mercury belongs to group 1, Barium belongs to group 4, Arsenic and Cadmium belongs to group 2,…

Q: The absorbance of known concentration of a metal complex is obtained by UV-vis Time left 0:47:51…

A:

Q: Temperature of water (K) Vapor pressure of water (mmHg) Barometric pressure (mmHg) Observations…

A: i ) When hydrogen gas is collected over water, the barometric pressure is total of hydrogen and…

Q: What is the name of the following compound?

A: Rule of IUPAC- 1) Choose the longest carbon chain as parent chain. 2) Numbering start from those…

Q: For a reaction, if AG° = 0, one can surely conclude that: ASO=0 ΔΗ = 0 AU=0 K = 1 K=O

A: Standard Gibbs free energy change is related to equilibrium constant

Q: Draw the major organic product of the Bronsted acid-base reaction. Include all lone pairs and…

A: Concept:  Acids and Bases are classified in many ways , among them one is Bronsted acid and Bases.…

Q: You are assigned to synthesize potassium chlorate using 10 grams of sodium hypochlorite and 10 grams…

A: #Q.1: Note:  The formula of potassium chlorate is KClO3, not KOCl3.  The formula of sodium chlorate…

Q: How many of the alkenes in the following molecule are designated as Z?

A:

Q: Transcribed Image Text: 34. The heat of fusion of ice is 79.7 cal/g at 0°C. The densities of ice and…

A: Given Heat of fusion H = 79.7 cal/g Density of ice(d1) = 0.9168 g/cc Density of water (d2) = 0.999g…

Q: What is the total number of N, H, and O atoms in 0.356 mol of ammonium nitrate, NH4NO3, an impor-…

A:

Q: The autoionization of water (or similar compounds) in which a proton (hydrogen ion) is transferred…

A:

Q: Cl2 H2O ОН CI

A: -> First of all cyclochloronium ion is formed which can opened by nucleophilic attack . ->…

Q: 7. In reality, there will be some friction in the wheel bearings and between the cart and the track.…

A: we have been given that there will be some frictional force between cart and track. We have been…

Q: Sulfur dioxide is “scrubbed” from the reaction mixture with sodium hydroxide. Write the balanced…

A: Given that, Sulfur dioxide(SO2) is “scrubbed” from the reaction mixture with sodium…

Q: A 11.4 g sample of an aqueous solution of perchloric acid contains an unknown amount of the acid. If…

A: Given,Volume of potassium hydroxide = 29.7 mLConcentration of potassium hydroxide = 1.00 MWeight…

Q: Choose the MOST polar bond: a. C=C b. C=N C. C=O d. C-H

A: The covalent bond is formed by the sharing of electrons between the atoms.

Q: 21. A test tube contains the following chemical equilibrium: N₂O(g) + 59 kJ ⇒ 2NO₂(g). You notice…

A: Color of solution or compound depends on the number of unpaired electrons.

Q: Complete the table:   Solute Mass of solute Moles of solute Volume of solution Molarity of…

A:

Q: How many moles of air must there be in a bicycle tire with a volume of 1.76 L if it has an internal…

A: Mole can be defined as a standard unit for measuring large quantities of very small entities such as…

Q: Consider the following reactions: 1. N₂(g) + O₂(g) = 2 NO(g) 2. K₁= 2.0 x 10-25 2 NO(g) + O₂(g) 2…

A:

Q: 5 ered out of question Cyclic voltammetry is a very powerful technique to obtain the information…

A:

Q: 2. Calculate q if the temperature of a 1.00 kg water bath surrounding a reaction vessel decreases by…

A: This is simple problem of thermodynamics where the change in heat that is q is required. Now as the…

Q: Balance the equations #1: KO2(s)+H2O(l)->KOH(aq)+O2(q)+H2O2(aq) #2 Fe2O3(s)+HBr(aq)…

A: Stoichiometric coefficient : It describes the total number of molecules of a chemical species that…

Q: Write the common (not systematic) name of each organic molecule. structure IZ name ethylpropylamine…

A: R-NH-R is amine while naming to these compounds use amine along with type of alkyl chain.

Q: 2) If 16.817g of a hydrate is found to contain 6.118 g of water, what i in the hydrate? mitt boor 3)…

A:

Q: : A certain container has a 0.56 g of 90Sr. Calculate the activity of the material in units of…

A:

Q: From J 5 51.4010 52% 52.8% 51.4010 Find the standard deviation

A:

Q: Copper (II) chloride and silver acetate Complete molecular: Complete ionic: Net ionic:

A: Given Copper (II) chloride and silver acetate So Formula  Copper (II) chloride=CuCl₂ silver…

Q: Pure water is saturated with slightly soluble silver chromate. Which of the following statements is…

A: Solubility product constant (Ksp) is product of dissolved ion concentration of cation and anion

Q: At some temperature, Kp: = 17.1 for the following reaction: H₂(g) + CO₂(g) → H₂O(g) + CO(g) The…

A:

Q: Given the solubility of zinc hydroxide to be 3.7 x 10-4 g/L, the pH of a saturated Zinc hydroxide…

A:

Q: Each statement applies to either ionic bonds, covalent bonds, or both. Choose the correct term. This…

A: The ionic bond is an electrostatic attraction force, formed between the ions and it is a strong…

Q: how many moles of nitrate ion are in 1.0 l of a 2.5 m mg(no3)2 solution?

A:

Q: 6. Shown below is the Fisher projection of (R)-2-bromo-(S)-3-chlorobutane. Draw the mirror image of…

A:

Q: • Question 1: Give IUPAC name for each compound. CH3 CH3 C CH3 a. CH3CH₂CH₂-C-CH₂CH₂CH₂CH3 CH3…

A: Rules for iupac nomenclature:  select the longest carbon chain as parent chain. Identify the…

Q: The pH of a 0.22 M aqueous solution of a weak acid at 25.0 °C is 4.50. What is the value of Ka for…

A: Weak acid dissociated feabily in aqueous solution

Q: Problem 1. Calculate AH for the following equation and state whether or not the nature of the…

A: Note  : important data information is not given regarding this question so I am going to use…

Q: Given the below data at 25°C Determine the rate law for the reaction, A + 2BAB2 Experiment [A]o M…

A: Rate law :-  The dependence of rate of reaction on the concentration of reactants is expressed…

Q: MULTI-STEP HEAT PROBLEMS The data below refers to an unknown substance, X. Boiling Point Heat of SH…

A: I

Q: Suppose that a Gaussian population of measurements has a mean of 1000 and a standard deviation of…

A:

Q: What is the reticular energy? Mg²+ (g) + 0(g) AH2nd IE (Mg) = +1451 Mg*(g) + 0(g) Mg(g) + 0(g) Mg(g)…

A: We have to calculate Reticular energy or lattice energy

Q: During the lab, a student started with 1.001 g of unknown copper compound and isolated 0.955 g of…

A: Given data: Weight of the unknown compound = 1.001 g Weight of metallic copper= 0.955 g,