As a result of alpha emisslon, the product nucleus is Mutple Choice two atomic numbers higher than the original element one atomic number higher then the originel element two atomic numbers lower then the original element one atomic number lower than the original element. four atomic numbers lower than the onginal element.

Q: use this equation 2 Al + 6 HCl = 2 AlCl3 + 3 H2 How many grams of aluminum are required to react…

A: The balanced reaction taking place is given as, => 2 Al + 6 HCl → 2 AlCl3 + 3 H2  Given:…

Q: II. Balance each redox reaction in acid solution using the half reaction method. 7. ReO4 + IO → IO3…

A: Balanced the reaction by using half-reaction method under acid solution---

Q: NH2 HO,S. „sO,H но amina diazotada copula con

A: A dye is a colored substance and it is obtained by reaction of diazonium salt with phenols or…

Q: Decide whether each molecule or polyatomic ion is polar or nonpolar. If the molecule or polyatomic…

A: Given molecules: CCl4 H2S O2 We have to find whether these molecules are polar or not. If they are…

Q: Copper(I) ions in aqueous solution react with NH,(aq) according to Cu* (aq) + 2 NH, (aq) Cu(NH, (aq)…

A: Given: Kf of Cu(NH3)2+ = 6.3 × 1010  And concentration of NH3 = 0.39 M

Q: Fill In Missing reagents and products in the cmpty boxes. Br. HOOH NH2

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Q: Which of the following is the weakest oxidizing agent?  A. H2O2 (aq)            D. F– (aq) B. Fe3+…

A: The species given are: H₂O₂ (aq), F (aq), CIO₂ (g), Fe3+ (aq), Fe (s)  An oxidizing agent is one…

Q: EIO OEt Predict the major product of the following reaction sequence. 1) NaOEt 2) -Br ? EtO OEt 3)…

A: Note : Diethyl malonate reaction with sodium ethoxide and alkyl halide results C-alkylation at…

Q: Multiply or divide the following measurements. Be sure each answer you enter contains the correct…

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Q: A 356 g sample of nitrogen goes through a temperature change of +71.43 °C. The J specific heat…

A:

Q: An unknown element X- forms a coordinate compound in the presence of Cl-, XCl2. If 1.66 moles of X+…

A: Given: Initial moles of X7+ = 1.66 mol. Initial moles of Cl- = 15.5 mol. Volume of solution = 4.32 L…

Q: For each pair of compounds listed, check the box next to the one with the higher boiling point.…

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Q: Use the following formula for problem 2NaOH (aq) + CuSO4 (aq) ---> Cu(OH)2(s) + Na2SO4(aq)…

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Q: Determine the value of AG°pxn for the target equation by using the three reactions provided. Target…

A:

Q: Oxygen gas and liquid ethanol react to form carbon dioxide gas and liquid water. If ethanol is…

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Q: Detemine the mole faction of the solvent in a solution prepared by dissolving: 36g of CH3OH in 1000…

A: NOTE: In question 1, there is some data not given properly. Since you have asked multiple questions,…

Q: _t volume of the 1.76 M H2O2

A:

Q: equilibrium constant

A: Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: Calculate the H3O+ concentration from each pH: (a) 2.42;    (b) 13.39.

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Q: At 400°C, Ke = 64 for the equilibrium H2(g) + 12l9) = 2HI(g). If 3.00 mol H2 and 3.00 mol I2 are…

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Q: The decomposition of hydrogen peroxide proceeds as H2O2(aq) → H20() + ½ O2(g). For the case where…

A: It is reported that decomposition of H2O2 follows first order kinetics.  By applying the integrted…

Q: Which of the following can increase the observed potential in a galvanic cell?  a. ohmic…

A: Correct option is D.

Q: н- С — Н C. С - н C H. H. H. Н-с - Н 1. HICIH HIC CIH

A:

Q: Use the following formula for problem 2NaOH (aq) + CuSO4 (aq) --->  Cu(OH)2(s)  + Na2SO4(aq)…

A: Given :-  2NaOH (aq) + CuSO4 (aq) --->  Cu(OH)2(s)  + Na2SO4(aq)  molarity of NaOH solution = 1.0…

Q: -2.421 x 108 -2421 x 101 -2421 x 103 1458 x 1016 -1458 x 10

A: Given,  Mass defect (□m ) = -0.1620 amu (1 amu = 1.67 ×10-27 Kg) □m = -0.1620 × 1.67 ×10-27 =…

Q: Please write out all the formulas and steps: Known: 5 % NaOCI: Molar mass of = 165.15 g/mol Quantity…

A: To find :  Number of moles of NaOCl, number of moles of NaOH, and theoretical yield of…

Q: A chemist prepares a solution of aluminum chloride (AICI,) by measuring out 33.5 g of aluminum…

A: Given: Mass of AlCl3 taken = 33.5 g. And volume of solution = 350 mL = 0.350 L…

Q: In mining, roasting is the oxidation of metal sulfides to produce metal oxides and sulfur dioxide, a…

A: Given :-  2ZnS + 3O2 → 2ZnO + 2SO2  Mass of ZnS = 100.0 g  Mass of O2 = 70.0 g  To calculate :-…

Q: Draw the structure of a naturally occurring amino acid that contains a secondary alcohol.

A: To draw: The structure of a naturally occurring amino acid that contains secondary alcohol.

Q: 3. Assuming standard states for all reactants and products, determine the spontaneous direction of…

A: The reactions given are, 1) Cu + 2 HCl → CuCl2 + H2  2) Ag + FeCl3 → FeCl2 + AgCl

Q: The half-life of 14C is 5730 yr. Find the number of disintegrations per hour emitted by 1.0 mol of…

A: half-life of 14C is 5730 yr.

Q: Balance the reactions below using the change in oxidation number method. 1. РЬО, + HBr - PbBr, + O,…

A: Hii there, As there are multiple sub parts posted. we are answering first-three sub parts . If you…

Q: If glucose is broken down in the muscle through aerobic respiration how much energy is produced? The…

A: Cellular respiration is a metabolic process undergone by all living cells. It is the way cells…

Q: Mg(s) + 2HCI(aq) → MgCl, (aq) + H2(g) + 1550kJ For this reaction at 25°C • Change in enthalpy: […

A: The reaction given is, =>

Q: Balance the reaction below; determine the sum of the coefficients; this is in an acidic solution!…

A: The reaction given is, => BrO3- + Cd ↔ Br2 + Cd2+

Q: For pH = 6.00, calculate the alpha two (a2) in an aqueous solution of citric acid. (Ka1 = 7.45 x…

A: Given: pH = 6.00 Ka1=7.45×10-4Ka2=1.73×10-5Ka3=4.02×10-7

Q: A (3.6500 g) of impure ammonium aluminium sulfate (NH4Al(SO4)2)) was treated with ammonia (NH3(aq))…

A: Given: Mass of sample = 3.6500 g. Mass of Al2O3 formed = 0.4935 g.

Q: The atomic mass unit is based on the mass of the _________ atom.

A:

Q: Task 1: The hot and spicy flavour of Chilli peppers is due mainly to a compound called capsaicin.…

A: Capsaicin activates the sensory neurons for pain and can be used in the treatment of arthritis,…

Q: A. explain each step with words on how to get the structure. Step 1: Calculate the Index of…

A: Given that, the molecular formula of the compound is C6H14O. We have to determine the molecule…

Q: 000 1 K=- K=2 At equilibrium? At equilibrium? yes no yes no K 4 & = K= At equilibrium? At…

A: Given:

Q: Propose a structure for an unknown compound whole molecular formula is C(5)H(10)O(2) and is…

A: Given that: Molecular formula: C5H10O2   NMR data:  1. doublet, at 1.23 ppm (6H) 2. singlet, at 2.10…

Q: Calculate the heat energy released when 19.0 g of liquid mercury at 25.00 °C is converted to solid…

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Q: 4 Find the nuclear binding energy of potassium-40 (atomic mass = 39.9632591 amu) in units of joules…

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Q: When the following equation is balanced properly under acidic conditions, what are the coefficients…

A: The reaction given is, => ClO3- + Cu → Cl2 + Cu2+

Q: Muriatic acid is between 20-32% hydrochloric acid. A particular batch is determined to have a…

A:

Q: A chemistry student weighs out 0.261 g of citric acid (H,C,H,O,), a triprotic acid, into a 250. mL…

A: Given-> Weight of citric acid = 0.261 gm Volume of citric acid = 250 ml  Molarity of NaOH =…

Q: 0-H + HB + B

A: Aldol condensation: An aldol condensation is a type of condensation reaction in organic chemistry in…

Q: What type of elements in the periodic table cannot break the octet rule by having an expanded octet?…

A: Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: a. Predict the molecular structure and bond angles for PO,3. Approximate bond angles are sufficient.…

A: Given-> 1-> PO43- 2->SO42-