The half-life of cesium-129 is 32.0 hours. How much time is required for the activity of a sample of cesium-129 to fall to 9.93 percent of its original value? hrs

Q: EFFECTS OF DYES TO THE POSSIBLE SOLUTIONS ENVIRONMENT EFFECTS OF INSECT POSSIBLE SOLUTIONS…

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Q: When the nuclide iron-55 decays by electron capture: The name of the product nuclide is The symbol…

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Q: Name this compound.

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Q: Question 13 Given the following set-up: A C Ether - Water- Which set up represent KD > 1 KD = 1 KD <…

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Q: Consider the following electron configurations to answer the questions that follow: (i) 152 252 2p6…

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Q: Instruction: Find the following ΔH for the reaction below. 2H(s) + 2O2(g) → 2HO2(s)      ΔH = ?…

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Q: A 34.4 g sample of a metal is heated to 99.0 °C and then placed in a calorimeter containing 107.1g…

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Q: Given the coordination compound:  [MoCO3(H2O)2][Zn(CN)3OH(en)2]. what is the name of the compound

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Q: Which of the following describes the reaction: 'N+{He → '0+H beta decay reaction O alpha decay…

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Q: In a two-vessel technique titration set-up, what is the unknown substance if the volume of…

A: To determine the mixture of substances in the sample

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

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Q: When 100 mL each of 2.0 x 10-5 M Ca2* and 2.0 x 103 M CO,2 are mixed, what is the remaining Ca2 ion…

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Q: Which will make a good substitute for bromocresol green in a double indicator titration? (A…

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Q: In coulometric tritration, a constant _____ generates the ____ electrolytically. a) current,…

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Q: Draw the following compounds based on their IUPAC Names: 1.   3-ethyl-2,2-dimethyl-3-heptene 2.…

A: 1.   3-ethyl-2,2-dimethyl-3-heptene -  It has main chain of seven carbons, with double bond at third…

Q: The decomposition of a generic diatomic element in its standard state is representdd by the equation…

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Q: Use periodic trends to compare the elements K, Ge, Si, and S, with regard to the following…

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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: An analyst wanted to separate an essential oil which is partially immiscible in water and a boiling…

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Q: The radioactive isotope gallium-67 is used in medical imaging as indicated on the table above. If…

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Q: Consider the reaction in the attached image: a. The standard Gibbs free energy (ΔfG˚) for this…

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Q: Sodium bicarbonate CANNOT be analyzed when paired with sodium hydroxide. Which of the following…

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Q: MoCO3(H2O)2][Zn(CN)3OH(en)2]. what is the coordination number of the central metal atom of the…

A: The coordination compound is MoCO3(H2O)2]+2  [Zn(CN)3OH(en)2]-2 So, anion complex is…

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Q: A 0.1510 g KHP (Mw = 204.22 g/mol) sample required a volume of 57.04 mL of NaOH solution to reach a…

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Q: In the space below, write the wave function W, for a one-dimensional quantum harmonic oscillator in…

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Q: What is the value of the equilibrium constant in the following hypothetical equilibrium if the…

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Q: Give 5 differences of dextrorotatory and levorotatory

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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: A Na,CO3 standard solution is prepared by transferring 2.4817 grams of primary standard-grade sodium…

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Q: 13.65 g of an unknown compound decreased the freezing point of 346 g of benzene (Kf= 5.12 C /m) by…

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Q: 10 mL of 0.100 M Sn2+ was titrated with 0.1000 M Ce4+ to give the redox products, Sn4+ and Ce3+ in…

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Q: Fill in the nuclide symbol for the missing particle in the following nuclear equation. 201 Hg

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Q: Given the phase diagram of  mixture A and B both are solid where the mixture is heated until both…

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Q: Draw the formula relationship do th

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Q: Ether- Water-

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Q: iven the following set-up: A B Ether ater- /hich set up represent KD > 1 KD = 1 KD < 1

A: As lower phase is a aqueous layer and upper phase is a organic layer.

Q: a. Draw a voltaic cell that could be used to study the reaction shown below.  Mg(s) + 2Ag+(aq) --->…

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Q: explain the components of the phase diagram of benzene

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Q: Match set A (common active ingredients of insect repellants) to set B (known properties). Then,…

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Q: What is the solubility of Mg(OH)2 ( Ksp 1.80 x 1011) in 0.0862 M Mg(NO3)2(aq), Leave answer in…

A: Given,  The solubility of Mg(OH)2 in 0.0862 M Mg(NO3 )2 is:

Q: Test for Ethers a. Ferrox paper test: General Reaction Reagents: Positive result: Notes: Test for…

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Q: Question 30 170.50 mL of 1.23 M organic salt was mixed with 236.23 mL of Ethanol (d= 0.789 g/mL, MW…

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Writing and Balancing Nuclear Equations

A nuclear equation is a symbolic representation of a nuclear reaction using certain symbols. It is studied in nuclear chemistry and nuclear physics.