16-g sample of a radioactive nuclide is taken from location A to B in 2 hours and it was found that 1 g of the nuclide remained (undisintegrated). What is the half-life of the radioactive nuclide

Q: (c) The same weight of methane is more efficient than ethane. True or false? O True O False

A: Methane and ethane both are hydrocarbons and are composed of carbon and hydrogen. The activity of a…

Q: HO 애

A:

Q: The value for Kw at 0.0°C is 1.14 x 10^-15. Calculate the pH for a neutral solution at this…

A: pH of a  solution is measure  of acidity or  of basicity of a solution

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A: Concentration of aqueous solution = 4 %  Density of solution = 1.02 g/ml  Temperature = 25 °C  R =…

Q: action: Rate = 926[1].[H*].[H₂O2]

A:

Q: Which of the following statements is not characteristic of a hydrogen bond? The other atom involved…

A: The H-bonding is an intermolecular force of interaction. It will interact with the H of the one…

Q: Draw the main organic products of the reaction. Indicate the stereochemistry, including all hydrogen…

A:

Q: Question 31 In the reaction 2H₂ + + O₂ → 2H₂O which reactant, if any, will be limiting if 0.592 g of…

A:

Q: # (g) (h) (i) (1) Th 2. H₂O Ol 1. NaBHA 2. H₂O (1) 2 eq CH₂MgBr (2) H₂O 1. CH₂MgBr ► А 2. H₂O MnO₂…

A: DIBAL H reducing agent used to form aldehyde from Ester .

Q: 6. Stereochemistry! Determine the R and S configuration of the following Fischer and Chair drawings:…

A: The detailed answers have been provided.

Q: What is the bond enthalpy for HF?

A: Given : reactions and their enthalpy change.

Q: :Br: : Br: Select to Add Arrows I I I I Br Select to Add Arrows Br:Ⓒ : Br:C Select to Add Arrows

A: I have given the answer in the explanation section. Hope you will understand that.

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A: Higher amount of binder as compare to pigment means low PVC leads to higher gloss value.

Q: Which of the following salt are you going to use for the salting out or purification of the produced…

A: Salting out is based on "a  non-electrolyte could be much less soluble at high salt concentrations"

Q: E Fe Pt/Fe³+ (0.1600 M), Fe2+(0.0700 M) // Hg2+ (0.0350 M)/Hg EHg2+ = +0.854 V O +0.020 V…

A:

Q: Provide a mechanism with arrows and lone pairs shown

A: Organic reactions are those in which organic reactant react to form organic products

Q: what is the IUPAC name of the picture below

A:

Q: Provide an IUPAC name for the structure shown. ball & stick labels (Do not use stereochemical terms…

A: Given,  The IUPAC name for the structure is:

Q: Curved arrows are used to illustrate the flow of electrons. Using the provided starting and product…

A:

Q: Draw a structural formula for the substitution product of the reaction shown below. Br H Na+ SH…

A:

Q: Calculate the Standard Electrode Potential for this chemical reaction below. Zn + Cuq) → Znaq) +…

A: Recall the given redox reaction,                                Zn s  +  Cu2+ aq  →  Zn2+ aq  +…

Q: Exercise 2: Name the following binary compounds using the system of numerical prefixes. a. SiO₂ b.…

A: The name of the following compounds have been given below:

Q: Which of the following statements concerning cyclic amines is correct? They are always heterocyclic…

A: Properties of nitrogen containing heterocyclic compounds

Q: Why is this different from the stoichiometric reaction ?

A:

Q: Table 15 K¹+ Mg²+ A13+ S²- Br¹- N³-

A:

Q: Problem 9. How will you distinguish between: (a) Formic acid and acetic acid? (b) Oxalic acid and…

A:

Q: 4. Use the following information to answer the next question Fructose is a sugar molecule that has…

A: we have to calculate the molar enthalpy for combustion of fructose using the given information

Q: The complex formed between Cu(I) and 1,10- phenanthroline has a molar absorptivity of 7000 L cm-1…

A:

Q: Table D.2 Dissociation Constants for Bases at 25 °C Name Formula Kb Ammonia NH, 1.8 x 10-5…

A: Kb is defined as the base dissociation constant.It measure the amount of dissociation of the base.…

Q: (1) 4-Phenyl Phenol (2) KOH in ethanol (1M) (3) Benzyl chloride (4) 4-benzyloxy biphenyl (1) (2)…

A: Well, we know in williamson ether synthesis, the recation is 1:1. 1mole of reactant react to form…

Q: Consider the complex square planar complex NiL4, where Ni2+ (d) is the central ion. Draw the system…

A: Solutions                              Given that Consider the complex  square planer complex.. .…

Q: Glycerin, C3H8O3, is a nonvolatile nonelectrolyte with density of 1.26 g/mL at 25°C. Calculate the…

A:

Q: 2. Determine which of the structures are isomers of each other and which are conformers of each…

A: -> Two or more compounds with the same molecular formula but a different arrangement of atoms in…

Q: Which of the following is not a property of enzyme? * O Specificity Efficiency of the catalyst O…

A: Given statement is :  Which of the following is not a property of enzyme ?  Options are :  a.…

Q: What is the pH of a 2.3 x 10-4 M HCl solution?

A:

Q: A.) What is the volume of 2.5 g of helium at SATP? B.) How many moles of carbon dioxide are in 3.5 L…

A:

Q: 16. Circle and write the name of all the functional groups in the following structure. 0 ..OH 0

A:

Q: 3. Convert the following: (Use scientific notation during conversion wherever there is more than) -…

A: 3) We have to make the given unit conversions  4) we have to calculate the specific heat of metal…

Q: Which two factors can create supersaturated solutions?

A: A solution is made of two components: solute and solvent. Component which is present in major amount…

Q: (a) (c) (e) F Br H OH CH3 LOCH 3 (b) (d) (f) CI CI NO₂ OH Br NH₂

A: The correct IUPAC name of the above compounds are given below

Q: ment Booklet A2 O ▬▬▬▬▬▬▬▬ 12. A student listed the following possible reactants in redox reactions:…

A:

Q: what is the pH in which methyl orange changes in color? why is methyl orange was chosen as one of…

A: The given question asks the pH range in which methyl orange changes its color during the course of…

Q: Use the References to access important values if needed for this question. Consider the following…

A:

Q: A 10.0 gram sample of copper ore was dissolved in nitric acid and then electrolyzed until all of the…

A: Percentage of copper in the original sample can be calculated by knowing the amount of copper metal…

Q: Enter the conjugate acid for ClO−. Express your answer as a chemical formula.

A: Acid and Base: Acid: acids are proton (H+) donor. Base: bases are proton (H+) acceptor. Conjugate…

Q: C1- Cl- V W Select compound V and X NO₂ 4 503H X - 2 S03 NO₂ C₁- NO₂ 6503 NO₂ S0₂H

A: In this question, we will identify the structure of V and X  You can see the details solution below…

Q: 4 0.300 0.200 0.200 0.0500 0.150 0.00625 1. Using this data, calculate the order of the reaction…

A: We are given a reaction, on which 4 trials at different concentration of A and B were  performed and…

Q: 4. (a) Draw the molecular structure of the product and the curved arrows to indicate the reaction…

A:

Q: Using Hückel's rule, Identify whether the molecule is aromatic or not.

A: In this question, we will see that this given compound is aromatic or not according to huckel's…

Q: Prepare serial dilutions of 0.08M potassium chloride and 0.08M SLS from the stock solutions…

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

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.