Explain in terms of structure and bonding where applicable, why the variation of each of atomic radius, first ionisation energy and melting point

Q: barium hydroxide solution is prepared by dissolving 1.44 g of Ba(OH)₂ in water to make 52.2 mL of…

A: Mass of Ba(OH)2 = 1.44 g

Q: What is the slow, rate-determining step, in the acid-catalyzed dehydration of 2- butanol? Loss of a…

A: In a chemical reaction slow step will be rate determine step as over all formation of product…

Q: Sn(s) 1 Salt bridge 1 M Ag 1 M Sn2+ Sn is the cathode; Ag is the anode; electrons flow from left to…

A: A question based on electrochemistry. A cell diagram with anode and cathode are prescribed for which…

Q: 3) Assuming ideal behavior, calculate the entropy of the following. a. 0.100 mole of He(g) at 25°C…

A: Entropy- Entropy is the measure of the degree of randomness of energy within a system. It is…

Q: 4. Give the structure of a conjugated diene with the molecular formula of C7H12.

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Q: Consider the reaction of SiO2 with N2 to form Si3N4 and O2 at 25°C & 1 atm. The standard heats of…

A: The balanced chemical reaction of SiO2 and N2 is as follows: 3SiO2 + 2N2  →  Si3N4  + 3O2

Q: Hi, I need help with this multi-step problem. Using any of these reactions: SN1/SN2, E1/E2, Alkene…

A: here is a synthesis problem that uses a radical reaction:   Starting material: 1-hexene Targeted…

Q: The gas phase decomposition of sulfuryl chloride SO₂Cl₂ SO₂ + Cl₂ follows a first-order law. The…

A: Rate = k C1 That means for 1st order reaction, initial rate is directly proportional to the initial…

Q: Calculate the Q-value for the fusion reaction ¹H + ¹¹B → 34 He. Enter your answer in MeV to 1…

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Q: F) G) H) Br Br I 2. 1. Mg 2. CO2 3. H3O+ 1.LDA, -78 °C 3. H3O+* Page H H₂O pyridine 7 / 15 I Q +

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Q: Hydrogen produced from a hydrolysis reaction was collected over water. The data is compiled in the…

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Q: ) if a photon of light has a frequency of 4.74x10^14 1/s how much energy would 3.76x10^34 photons of…

A: E=nhV

Q: How many kinds of chemically non-equivalent hydrogens are there in each of the following compounds?…

A: The chemically equivalent hydrogen are those hydrogen where the chemical environment around the…

Q: What roles do the microbes that living in your gut play in contributing to your health? Select all…

A: The question is based on microbes living in our gut. We need to select the roles that the microbes…

Q: Using the reagent list, identify the reagents needed to complete the two-step synthesis below.…

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Q: ?????

A: for multiple subparts-" since you posted a question with multiple subparts, we will solve the first…

Q: Which reagent would be able to convert male if acid to meso-tartaric acid? на томон OH Maleic Acid O…

A: Maleic acid can be converted into meso tartaric acid by the addition of two hydroxy groups from the…

Q: Gaseous ethane (CH₂CH3) will react with gaseous oxygen to produce gaseous carbon dioxide (CO₂) and…

A: Ethane reacts with oxygen to form carbon dioxide and water. The equation for the balanced chemical…

Q: Ammonia (NH3) is combined with oxygen in a combustion reaction to form nitrogen monoxide and water…

A: Molar mass of ammonia is 17.03 g/mol

Q: The pH of a basic solution is 12.29. What is [OH⁻]?

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Q: Question 31 Consider the following reaction at equilibrium. Which manipulation would shift the…

A: This can be explained on the basis of Le-chateliers Principle which states that any type of stress…

Q: b. CH3CH2 I' H C-C ..ll CH3 H CH3

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Q: 4. The reaction of the epoxide with methoxide produces one of the two constitutional isomers of…

A: epoxide reaction is processed with 2 different type (1)in acidic  (2)in absence of acid

Q: A 50.0-mL volume of 0.15 mol L¹ HBr is titrated with 0.25 mol L KOH. Calculate the pH after the…

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Q: 11. Give the electron configurations (full & noble gas), and full orbital diagrams for: Germanium -…

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Q: 3. Label the weakest carbon-hydrogen bond (only consider homolytic bond cleavage) in the following…

A: Homolytic bond clevage or homolysis is the breaking of bonds where the bonding electrons are split…

Q: C. H -H 'H 'С HI H Anisaldehyde Used in fragrence industry

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Q: Use the following The triple point temperature: The state of the gas at -65°C and 9,000kPa: Pressure…

A: Phase digram of CO2

Q: 3. The Ecell for agalvanic cell composed of a Li electrode and an unknown electrode was found to be…

A: Given: Ecello=2.91 V ELi+|Lio=-3.05 V

Q: Place the common ions of Na, Mg, O, and F in order from smallest to largest atomic radii.

A: Since,As we move from left to right in a period then size decreases .But when we move from top to…

Q: What is the component concentration ratio, [CH3COO−]/[CH3COOH], of a buffer that has a pH of 5.240?…

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Q: 3. A clock gains 0.25 seconds per minute. How many seconds will it gain in exactly 180 days?

A: Since you have posted multiple questions, we will provide the solution only to the first question as…

Q: 2. Write the equilibrium constant expression for the reversible reaction Zn (s) + H₂ (aq) → 2 ZnH…

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Q: DATARTTT 2. You dissolve 290 grams of K₂SO4 into 900 ml of water. Calculate the formula mass of…

A: Given, Mass of the K2SO4 = 290 g The volume of the solution is = 900 ml = 0.9 L The atomic mass of…

Q: What is the major product in the following reaction? Br + ·0-

A: This is an example of elimination reaction. Here a tertiary halide and strong base is used so it…

Q: I need to come up with a protocol of uv-vis spectrophotometer to detect water and chlorine-carbon.…

A: protocol for using a UV-Vis spectrophotometer to detect water and chlorine-carbon would typically…

Q: Calculate the ph of 0.0189 m trisodium arsenate

A: We need to find the ph of 0.0189 m trisodium arsenate. Trisodium arsenate is a salt of weak acid…

Q: give one review of related literature about using calamansi rinds extract as alternative for alcohol…

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Q: Mn²+ (aq) + 2e Mn(s); E° = -1.18 V Cu2+ (aq) + 2e Cu(s); E° = 0.34 V 3+ Cr₂O72-(aq) + 14H*(aq) + 6e¯…

A: Greater the value of standard reduction potential of a redox couple , stronger be the oxidizing…

Q: H3PO4 (aq) + 1 NaOH (aq) -> _____; ΔH° = -81.13 kJ I and II. If you have 12 mL of 0.29 M H3PO4, how…

A: As per guidelines, only four subparts can be attempted.

Q: How much energy is required to melt 150.0 grams of ice? ∆Hfus = 6.02 kJ/mol ∆Hvap = 44.0 kJ/mol

A: Mass of ice = 150.0 g  ∆Hfus = 6.02 kJ/mol

Q: Calculate the Concentrations of the Diluted Solutions 1. Transfer 50 ml of a 1.50 mol/L stock…

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Q: 1-Butene reacts with borane in THF followed by hydrogen peroxide in aqueous NaOH to give A (C4H10O).…

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Q: 2. 2.5 liters of oxygen gas are mixed with 3.8 liters of hydrogen gas to form water. What is the…

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Q: During the hydrolysis of esters, what was the purpose of adding 1 mL of 10% sodium hydroxide to the…

A: Hydrolysis of ester is a reversible process in aqueous solution and it gives carboxylic acid and…

Q: What is the solubility product expression for Al(OH)3? O Ksp = [A1³+][3OH-] O Ksp = [A1³+][OH-]³ O…

A: Ksp = [Al3+][OH-]3 ----> option(B)

Q: Give the mechanism of the reaction shown below. CH3 H 1 CH3 -C-C-CH3 H Br E₁ H₂0

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Q: Calculate the sample standard deviation, s, for this set of data: 4.5, 6.7, 4.2, 9.6, 3.4, 8.2…

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Q: The enthalpy of vaporization for methanol is 35.2 kJ/mol. Methanol has a vapor pressure of 1 atm at…

A: It is given that, ∆vapH° of methanol = 35.2 kJ/mol = 35.2 × 103 J/mol Vapour pressure P1 = 1 atm…

Q: A compound has the chemical formula C5H11Cl. The M+ peak should be at m/z = m/z= and an M+2 peak at…

A: The molecular weight of C5H11Cl = (5xC) + (11xH) + (1xCl) = (5x12)+(11x1)+(1x35.5)= 106.5 g.