Which of the following describes the reaction: 218 Po →°,e+ 218 At 84 ³Po→,e+ 85

Q: At 25 °C, only 0.0280 mol of the generic salt AB3 is soluble in 1.00 L of water. What is the ?sp of…

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Q: s the mode of decay for strontium-81 ?

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Q: Practice Exercise Cakulate he standard fre-anergy changes for heflwing frextions at 25C:

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Q: What pressure is exerted by 25.0 g of neon gas at temperature of 25 °C if the original temperature…

A: Given-> Weight of Ne = 25.0 gm T2 = 25°C = 25 + 273 = 298 K T1 = 50.0°C = 50.0 + 273 = 323 K P1 =…

Q: 0.8 0.6 0.4 0.2 3000 2000 1000 Wavenumber (cm-1)

A: IR mainly explaines the functional groups that are present in molecules  Alcohol: O-H stretching ,…

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A: Given that, the reaction between an aldehyde and excess ethanol with an acid catalyst. We have to…

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A: Answer: D

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A: According to the Arrhenius theory, the substance that gives hydrogen ion H+ in the aqueous solution…

Q: A solution contains 0.0140 M Pb2+(aq) and 0.0140 M Sr2+(aq). If you add SO2−4(aq), what will be the…

A: Ion that has lower value KSP , will precipitate first as its ionic product will overcome the KSP…

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Q: What is the molar solubility of Ag2CrO4 (Ksp 1.10 x 1012) if the solution is 1.00 x 10 M in Ag+? •…

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Q: Which salts will be more soluble in an acidic solution than in pure water? Sn(OH)2 AgBr KClO4 CaCO3…

A: The fact to these is knowing what anions react with H^+ (the acid) and if any weak acids or…

Q: Consider the following decay series: d b. Bi Po C 214 210 Po Pb 218 a 214 214 Pb 82 84 82 83 84…

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Q: Given the volume of 0.4596 M NaOH used determine the concentration of 19 ml sample each from…

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Q: Provide the missing reagents for each of the following sreactions: CH2 но он CH NH2 но DFocus ENG…

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Q: Propose a structure of an alkyl halide (including its stereochemistry) that gives only (E)-…

A: Stereochemistry is branch of chemistry in which we deal with arrangement of atoms in molecules.

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A: As we know, in electrochemical cell,  Oxidation takes place at anode and reduction takes place at…

Q: A bottle contains 905 grams of chloroform,CHCl3,with a specific heat capacity of 0.96J/(g·ºC). How…

A: Given, Mass of chloroform (m) = 905 g Specific heat capacity of chloroform (Cp) = 0.96 J/g.°C…

Q: Salt Theoretical Ksp MGCO3 3.5 x 108 Mg(OH)2 1.8 x 10-11 For the standardization of the HCl titrant,…

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Q: Which of the quantities listed below are transfers of energy? Select all that apply. Heat Work…

A: There are different forms of energy like -  (1) Work - it is considered as transfer of energy…

Q: d) Find the temperature increase expected for 2.00 L of water when it absorbs all the energy from…

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Q: (b) Predict the product and chemistry involved in the following reactions: (i) [Rh(CO)2C12] +CH3I…

A: Since you have asked a question with a multiple sub-parts, we will solve first three sub-parts for…

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A: Ligands are the species which  donates lone pair to central metal atom or ion.

Q: OH но II OH OH III IV

A: The alcohols given are,

Q: The heat of fusion ΔHf of dichloromethane (CH2Cl2) is 6.2 kJ/mol. Calculate the change in entropy ΔS…

A: Calculations have been done in the following step.

Q: A total of 1.569 F of electricity (1 F = 1 mol e¯) was required to electrodeposit all of the Zn and…

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Q: Write a balanced nuclear equation for the following: The nuclide lead-214 undergoes beta emission. +

A: Given :- nuclide that undergoes beta emission = lead-214  To write :- balanced nuclear equation

Q: For each of the following compounds, decide whether the compound's solubility in aqueous solution…

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Q: There are 10 groups in your class. In the formulation of Concentrated Peppermint Water, you are…

A: Given: Volume of final solution = 800 mL. And volume of stock solution taken = 756.9 mL.

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Q: When a 18.1 mL sample of a 0.313 M aqueous hydrofluoric acid solution is titrated with a 0.315 M…

A: Hydrofluoric acid, HF(aq) is a weak monoprotic acid with Ka = 6.6*10-4  Potassium hydroxide, KOH is…

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Q: Give 5 differences of common name and IUPAC name

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Q: Assuming that the density of silica gel is 2.65 g cm-3 and that the silica particle are spherical…

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Q: 4. CH3CH2 CH2CH2CH2CH3 C=C H CH2CH3 CH2CH3 H3C CH3-CH-CEC-CH2-CH-CH3 CH3-CH2 CH2-CH3 5.

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Q: Can you explain the Physical vapor deposition process in simple term

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Q: What is the time needed for a constant current of 0.100 A to deposit 0.500 g of Tl (I) [AW= 204.38…

A: Given: Mass of Tl to be formed = 0.500 g. Current passed = 0.100 A And the ion present in the…

Q: Name: 3) Consider the following redox reaction: CuSO4 (aq) + Mg (s) → M9SO4 (aq) + a. Is copper…

A: Chemical Reaction :- CuSO4 (aq)  + Mg (s)  ---> MgSO4 (aq) + Cu (s)  Redox reaction :- Reaction…

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Q: 33. In 2016, a serious leak occurred at a natural gas storage facility in Los Angeles County.…

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Q: For the oxidation–reduction reaction equation   2Na+S⟶Na2S indicate how many electrons are…

A: Oxidation - Reduction reaction is called as redox reaction.  Oxidation - loss of electron  Reduction…

Q: For a particular reaction at 128.0 °C, AG = 227.67 kJ, and AS = 644.41 J/K. Calculate AG for this…

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Q: For each chemical reaction listed in the first column of the table below, predict the sign (positive…

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Q: A solution contains 0.100 M Pb(NO,), and 1.00 x 10 M AGNO, It is intended to separate out the silver…

A: Given: Concentration of Pb2+ (from Pb(NO3)2) = 0.100 M And concentration of Ag+ (from AgNO3) = 1.0 ×…

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A: To determine the mixture of substances in the sample

Q: Starting from toluene (PhMe) and HCN, provide a synthetic sequence that would afford the product…

A: Synthesis of the given product from toluene and HCN as reactants is given in the following step.

Environmental Pollution

Environmental pollution occurs due to some unwanted alteration in the surroundings which results in unfavorable effects on all organisms of that surrounding.