a. core electron configuration of Po. (Z = 84) b. electron configuration of cesium ion.

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A: Given :-  Solid barium hydroxide + water →  To write :- complete reaction 

Q: Write at least two reactions that show enthalpy. State the reactants and the products of the reactio...

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Q: Liquid hexane (CH, (CH,(CH,),CH;) • reacts with gaseous oxygen gas (o, to produce gaseous carbon dio...

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Q: Name the following compound (Z)-2-methyl-2-butenal (Z)-2,3-dimethyl-2-propenal O (E)-2-methyl-2-bute...

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Q: A mixture of nitrogen and hydrogen gas is compressed from a volume of 97.0 L to a volume of 39.0 L, ...

A: The work done on the gas mixture can be calculated as follows

Q: How many kinds of chemically non-equivalent carbons are there in each of the following compounds? CH...

A: Chemically non-equivalent carbons give different signals in C-13 NMR.  example :- if a molecule has ...

Q: What does acid do to marble (calcium carbonate)?

A: Calcium carbonate in marble would react with acid to form salt and water. so marble would be eaten (...

Q: The peptide below is placed into a buffer with a pH = 1.54 -NH-CH-C HO- H;N-CH- CH2 -NH -CH-C -NH-CH...

A: We have to find out the direction of movement of peptide at pH=1.54

Q: The following molarities were calculated from replicate standardization of a solution: 0.5021, 0.501...

A:

Q: (i) Identify the different enthalpy changes and construct the Born-Haber cycle for the formation of ...

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Q: Gaseous methane (CH) reacts with gaseous oxygen gas (O,) to produce gaseous carbon dioxide (CO,) and...

A: This question requires first the determination of limiting reactant so that it will be used as a ref...

Q: A sample of solid sodium hydrogen phosphate is dissolved in water and allowed to come to equilibrium...

A:

Q: 3. ¿Cómo se preparan 1.0 L de solución de etanol al 12.0 %v/v? 4. ¿Cómo se preparan 500.0 ml de una ...

A: Molarity = No moles / Volume

Q: 4. Give the IUPAC name or draw the correct structure for the following CH3 CH2 CH2 CH3 CH3 CH2 CH3 C...

A:

Q: The following initial rate data are for the gas phase reaction of hydrogen with iodine: H2 + I2 → 2 ...

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Q: Identify the best reagents to complete the following reaction. OH

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Q: Provide an explanation without using the pka values : Why is phenol stronger acid than butanoic acid...

A: An acid is stronger than the other acid if it's anion is stronger than the anion of the other acid.

Q: CH2 CH2 ċ-OCH3 1. "ОСH; (m) 2. HСI ČH2 CH2-C-OCH3 `CH2

A:

Q: Aspirin can be prepared from salicylic acid (C7H6O3), which has a molar mass of 138.12 g/mol, and ac...

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Q: What pressure of H, gas is produced if 42.28 g of Al is reacted with excess HCl in a sealed 15.1 L c...

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Q: Calculate the equilibrium concentrations of all relevant C species if an action releases methane (CH...

A: We have to determine the value of equilibrium concentrations of all relavent C species if an action ...

Q: This dienol quickly reacts under acidic conditions. Draw the product of this reaction. Include all l...

A: Ans. In given reaction we get two products in that aromatic compound is major because it is most sta...

Q: Which of the oxygenated substances does not undergo reaction and oxidation with chromic acid: *

A: Chromic acid is H2CrO4 where Cr is in +6 oxidation state. Chromic acid is a very good oxidizing agen...

Q: chemist carefully measures the amount of heat needed to raise the temperature of a 312.0 g sample of...

A:

Q: Enhancer 1 A solution of NaCl and water saturated rhen 29.25 g of NaCl has been dissolved in 100 mL ...

A: The concentration of the NaCl solution is = 29.25 g of NaCl dissolved in 100 mL The density of water...

Q: Calculate the pOH of a solution that results from mixing 41.4 mL of 0.11 M HBrO(aq) with 33.1 mL of ...

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Q: The mitochondrial enzyme fumarase is involved in the Krebs Cycle, and catalyzes the  reversible hydr...

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Q: 2. Draw the optical isomers of CH3-CHOH-CHOH-CH3 . INDICATE the absolute configuration of each chira...

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Q: A commercial process for preparing ethanol, C,H50H(9) , involves the process of passing ethylene gas...

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Q: 1. Provide the structure of the final major product for the reaction. AICI, 2. Benzyl bromide is con...

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Q: volume

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Q: Experiment Parameters Measurement Mass of Salicylic Acid 2.5200 g Mass of Filter Paper 0.1200 g Mass...

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Q: While ethanol (CH,CH,OH) is produced naturally by fermentation, e.g. in beer- and wine-making, indus...

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Q: 3. Calculate the pK, of hypobromous acid from its Ka value. (Refer to Appendix H)

A:

Q: 15.2: IDENTIFYING LEWIS ACIDS AND BASES Identify the Lewis acids and Lewis bases in the following re...

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Q: a) Lead-acid batteries can deliver, for a few seconds, huge surge currents, a useful i car and truck...

A: One coulomb of charge consists of 6.24×1018 electrons. Number of electrons present in 400 C=400×6.24...

Q: Chemistry Q. compare normal maize and potato starch, which one gives a clear paste ? explain your an...

A: Potato starch has the highest viscosity of any of the commercially available starches. It is a sligh...

Q: 1) Discuss how polymerization changes the properties of any ensemble of amino acids so that a protei...

A: Proteins may be defined as compounds of high molar mass consisting largely or entirely of chains of ...

Q: CH2CHCH2BR CeHsCHO + Zn + NH4CI> C10H100 + NH3 +ZnCIBr

A:

Q: A mixture of gaseous reactants is put into a cylinder, where a chemical reaction turns them into gas...

A: If a chemical reaction releases heat energy, it is considered as exothermic reaction. If a chemical ...

Q: what is the correct significant figure of 560.89 grams of sodium chloride?

A: Given value- > 560.89 gm  

Q: ata, détérmine the order of the reaction with respect to 2NO(g) + Cl2(g) 2NOCI(g) [NO] and the overa...

A: Given equation -> 2NO + Cl2 -> 2NOCl Suppose m is order with respect to NO and n is order with...

Q: Which of the following glucose solutions has a molarity of 0.60 M? Group of answer choices A. 0.050 ...

A: • We have to select the option in which the glucose solution has a molarity of 0.60 M   

Q: This is the chemical formula for acetic acid (the chemical that gives the sharp taste to vinegar): C...

A: Given values -> Molecular formula = CH3COOH Moles of carbon = 89.1 mole  

Q: Draw an energy cycle and use the Standard Enthalpies of combustion values in the table below to calc...

A: Please find the below attachment.

Q: Consider the following reaction If a lask initially contains 3.0 atm of Cle) and 3.0 atm of Fale), w...

A: Cl2 + 3F2 -----> 2ClF3 Initial pressure of Cl2 = 3atm Initial pressure of F2 = 3atm Reaction is o...

Q: Mercury is an environmental pollutant because it can be converted by certain bacteria into the very ...

A: This problem is solved by the unitary method. Given mass of mercury is 241 tons and 1.9% of this amo...

Q: For each system listed in the first column of the table below, decide (if possible) whether the chan...

A: When crystallization takes place some amount of dissolved salt crystallizes and the movement of solu...

Q: To make a buffer from a mixture of HF and NaF that has a pH = 3.35 what must the ratio of (F^-/HF) b...

A: a buffer of a weak acid and its conjugate base, HF and NaF. given, pH = 3.35 Ka = 7.2 x 10-4

Q: Find the pressure of CO when the system returns to equilibrium. Express your answer using two signif...

A: Firstly we have to calculate Kp. after that we will calculate the change in pressure to attain the n...