If 1.0000 mg of nuclide undergoes alpha decay consistent with curve (b), how many milligrams remain after 3.000 days. 125 mg

Q: Calculate the total number of atoms contained within this unit cell.

A: In a given unit cell, in addition to eight atoms at the eight corners of the unit cell, there is one…

Q: IUPAC name of compound according to numbering and rules

A: 1. Longest chain selection including maximum functional groups as a parent chain. Here 6 carbon…

Q: 10. Ferrocene, synthesized in 1951, was the first organic iron compound with Fe-C bonds. An…

A:

Q: Part 1 of 2 How many moles of solute particles are present in 1 L (exact) of aqueous 2.15 M KBr? Be…

A: Molarity is defined as number of moles of solute per Litre of solution. Molarity= Moles of Solute/…

Q: 19. The optic nerve needs a minimum of 2.0 x 10-17 J of energy to trigger a series of impulses that…

A:

Q: Use the information in the ALEKS Data tab to sort the following chemical species by reducing power…

A: Lower be the value of standard Oxidation potential of a redox couple , stronger be the oxidizing…

Q: Determine the element of lowest atomic number that contains a complete d subshell in the ground…

A: A question about periodic table, which is to be accomplished.

Q: 13. Balance the following skeletal reactions using the half reaction method (under acidic…

A: Balancing redox reaction in acidic medium .

Q: There are two contributing resonance structures for an anion called acetaldehyde enolate, whose…

A: To determine if a molecule has resonance structures, the following conditions must be met: The…

Q: Complete the electron configuration for Br. electron configuration: [Ar] 4s²,3d¹0,4p5

A: Noble gas - Atomic number He - 2  Ne - 10  Ar - 18  According to Aufbau principle, electrons are…

Q: 2) For compound 1 shown: a. Draw all the resonance contributors, if any, including proper electron…

A: Resonance structure is the structure of actual compound in which positive and negative charge is…

Q: Na Rb Largest radius Smallest radius Cs Answer Bank Li K

A: On going left to right in periodic table atomic radius decreases because number of proton increases…

Q: How many electrons in an atom could have these sets of quantum numbers? n = 2 8 n = 5, l = 1 3…

A: n = principle quantum number  l = azimuthal quantum number  ml = magnetic quantum number ->If n…

Q: Structure for 4-(2-methylbutyl)-N-(3-methylbutyl)aniline

A: The question is based on the concept of organic chemistry. We need to draw the structure of given…

Q: Submit your complete handwritten work for these questions as one photo file (.jpg, png, or .pdf) in…

A: “Since you have posted multiple questions, we will provide the solutiononly to the first question as…

Q: @ Try Again Your answer is incorrect. Use the observations about each chemical reaction in the table…

A: The relationship between  ΔH  and ΔS is given by, ΔG = ΔH - TΔS If the value of   ΔG is negative…

Q: The equilbrium system pictured below has an equilibrium constant of 3.41 x 10^-5. 1.76 moles of the…

A:

Q: Use the observations about each chemical reaction in the table below to decide the sign (positive or…

A: The sign of enthalpy change for an endothermic reaction is positive and that for an exothermic…

Q: Draw a major resonance contributor of this enolate anion. Include all lone pairs in your structure.…

A: “Since you have posted multiple questions, we will provide the solution only to the first question…

Q: H2COCH2 Insert the correct amount of each element from the chemical formula H_ C_ O_

A: Chemical formula is a way of representing information about the molecule/compound in terms of its…

Q: Identify the states of the halogens at room temperature. Fluorine, chlorine, bromine, and iodine are…

A: We know that halogens are belongs to the Vll A group elements.

Q: 12. An eyedropper was found to deliver 20. drops/mL. How many hydronium ions are in one drop of HCI…

A: pH = -log[H3O+]  Concentration = Moles/Volume of solution(in L)  1 mole = 6.022 x 1023 entities

Q: Write the ground state electron configuration of Zn using the noble-gas shorthand notation. electron…

A: Noble gas - atomic number He - 2  Ne - 10  Ar - 18  According to Aufbau principle, electrons are…

Q: Subject :- Chemistr  The alpha-beta and beta-gamma phosphate groups are destabilized how? A.…

A:

Q: You measure the pH and find that it is 9.241. What is the concentration, in mol/L, * of hydroxide…

A:

Q: Molarity of standard KMnO4 solution: Mass of empty flask (g) Mass of flask with sample (g) Initial…

A: Molarity of KMnO4 solution is 0.1M. Trial-1:  Moles of KMnO4 Consumed : 0.004098 Trial-2:  Moles of…

Q: Which of the following are ionic compounds? (check all that apply) Table Sugar, C₁2H22011 Table…

A: Ionic compound can be defined as the chemical species which breaks into constituent ions in…

Q: Determine the oxidation state of the metal ion in [PdCl4]2−   Express your answer as an integer.…

A: The question can be answered by considering the structure of the given metal complex.

Q: r norbornene, why is Hb split into a doublet?  It looks like Hb

A: Norbornene system is given and in that system Hb is present at bridge head position. We have to find…

Q: Commercial bleaches such as Clorox are said to contain 5.25% NaOCl by weight. Is this correct? Use…

A: The following equations will be used in order to solve this problem: 1. Density The density of a…

Q: Calculate the molarity of a solution made by adding 120 g of NaOH (40.00 g/mol) to enough water to…

A: mass of NaOH = 120 g molar mass of NaOH = 40.00 g/mol Volume of the solution = 500.00 mL = 0.5 L…

Q: What type of packing is shown in this unit cell?

A: In BCC ( Body centred cubic ) unit cell : In this arrangement, one atom is present in the centre…

Q: Propose a lewis dot structure for both water and ammonia

A: we have to determine the Lewis structure of water and ammonia

Q: Which of the following compounds is an Arrhenius base? CHẠNH, HOCI C6H12O6 H₂SO4

A: Arhenius Base may be defined as a base which gives OH- in the aquaous solution..

Q: Identify a solution that will form a precipitate when mixed with aqueous sodium carbonate,…

A: The precipitation reactions are the reaction which produce a product that is insoluble in the…

Q: Given the following set of atoms, write a bond-line formula for a possible constitutional isomer for…

A: Constitutional isomers are the compounds that have same chemical formula but atoms are connected in…

Q: What is the molality of a solution consisting of 54.9 mL of benzene (CH; d=0.877 has the correct…

A: Density = Mass/Volume  1 Kg = 1000 g  Molality is defined as number of moles of solute per Kg of the…

Q: A 100.0 mL aliquot of 0.100 M weak base B (pKb = 5.000) was titrated with 1.00 M HCIO4. Find the pH…

A: we have to calculate the pH of solution after addition of  4.0 mL of acid  30 mL of  acid

Q: How do you prepare 150.0 mL of a 0.340 M HCl solution from concentrated 12.0 M HCl? Group of answer…

A: Molarity of concentrated solution,M1 = 12.0 M Molarity of solution to be made,M2 = 0.340 M Volume of…

Q: 4.1 When 0.50 mol of an ideal gas is expanded isothermally and reversibly at 298 K from a volume of…

A:

Q: 1. You may begin this part of the experiment while the electrolysis is progressing. These studies be…

A: Nernst equation will be represented as, Ecell = E0cell - RTnFlog[anode][cathode] Ecell = electrode…

Q: How many valence electrons does a neutral tellurium atom have?

A:

Q: Draw molecule A. On that drawing include the lone pairs and the curved arrows that would produce…

A: To draw the resonance structures for a given molecule, following conditions must be satisfied: The…

Q: Give the systematic name for the following coordination compound or complex ion

A: NH3 is neutral ligand and NO2 have charge -1.   Oxidation state of Pd x + 2*0 + 2*(-1) = 0 x = +2…

Q: First, graphically determine the instantaneous rate of decomposition of [SO₂Cl₂] using the tangent…

A: A question based on chemical kinetics. The instantaneous rate is defined as the rate of a reaction…

Q: 1). The coefficients in a reaction equation are not necessarily equal to the reaction orders,…

A: The molecularity of a reaction is defined as the number of colliding particles in a reaction. In…

Q: Could you give the IUPAC names of given organic compounds 요

A: As per our guidelines We are supposed to answer only the first three questions, hence kindly repost…

Q: A 0.2183 g sample of a monoprotic acid neutralizes 31.26 mL of a 0.07927 M KOH solution. Calculate…

A: To solve this problem we have to calculate the molar mass of the acid used to neutralization of KOH

Q: 20.0 mL of 0.075 M aqueous solution of lactic acid CH3CH(OH)COOH, a monoprotic acid, is titrated…

A: volume of NaOH at equivalence point  pH at equivalence point  pH after adding 5.0 mL of NaOH

Q: Molecule or lon (example) H₂O CH4 NH; CO₂ BH₂ NH4+ Lewis Dot Structure On Central atom Valence…

A: VSEPR - valence shell electron pair repulsion theory according to this the geometry of the molecule…

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.