Give the symbols for the nuclide that is formed in each of the following radioactive decays by indicating the atomic symbol, atomic number, and mass number of the nuclide. 238 U + 0 → ? + 5;n 92 atomic symbol atomic number mass number

Q: microscopic

A: According to the question, we need to describe the microscopic view of compound sodium chloride i.e…

Q: What mass in grams of iron metal can be formed by the reaction of 2.14 g Al metal with excess Fe,O,,…

A: Here we are required to find the mass of Fe produced from 2.14 gm aluminum

Q: Calculate the entropy change that occurs in the system when 56.2 g of liquid hexane (86.17 g/ normal…

A:

Q: (b) Since reaction (2) is the sum of reactions (1) and (3), it follows that the sum of AH1 and AH3…

A: *The question is solved assuming that the value of enthalpy change (kJ) for 1and 2 is correct* No of…

Q: A 2.00 m3 container holds a sample of O2 gas. At 287 K the pressure of the container is 1.04 x 105…

A: Given,  Volume of the container, V = 2.00 m3                                                 = 2000…

Q: The flame produced by the burner of a gas (propane) grill is a pale blue color when enough air mixes…

A:

Q: 1. Draw the best Lewis dot structure for the anion IF4" in the correct molecular geometry [Include…

A:

Q: Consider the equation: 2A+3B --> 2C Delta G (A)= 56.95 kJ/mol Delta G (B)= -202.94 kJ/mol Delta…

A:

Q: Enter your answer in the provided box. The combustion of how many moles of ethane (C,H) would be…

A:

Q: A 0.043 M solution of an unknown acid, HA, has a pH of 2.56. What is the hydrogen ion concentration?…

A: In this question, we will determine the hydrogen ion concentration.  You can see the solution and…

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

A:

Q: (Include formal charges, lone pair electrons and use dashed and solid wedge bonds if necessary) 2.…

A: According to VSEPR theory total Electron pairs =  bond pairs  + lone pairs Electronic geometry…

Q: Question: Please propose a synthesis pathway of thymol starting from methyl. It can be any suitable…

A:

Q: Could u show the products and the mechanism of the following reaction and give a short explenation?…

A: No, there is not possible to form product by elemental bromine instead of acidic HBr because…

Q: 1. What is the weight of the sample in trial 1? 2. What is the average weight of the precipitate…

A:

Q: The normal mode shown below corresponds to the uniform expansion of a benzene ring. Is this mode IR…

A: For a normal mode of vibration (stretching or bending) to be IR active, the vibration must result in…

Q: *** a u LIUuse Lme correct name for each structure shown. H. [ Select] CH3 [ Select ] -OH- O CH,…

A:

Q: A sample of pure silver has a mass of 15.4 g. Calculate the number of moles in the sample and silver…

A: Given-> Mass of Silver = 15.4 gm

Q: What mass of octane (CeH1e) is reacted to form 4.08 L of carbon dioxide at a temperature of 26.2 °C…

A: Given, Volume(V) = 4.08 L Pressure(P) = 1.23 atm Temperature(T) = 26.2 °C =  ( 26.2 + 273.15 ) K =…

Q: One millimole of Ni(NO3)2 dissolves in 240.0 mL of a solution that is 0.500 M in ammonia. The…

A: we need to calculate initial concentration of Ni(NO3)2  equilibrium concentration of Ni2+(aq )

Q: On January 22, 1943, in Spearfish, South Dakota, the temperature rose from -4.00°F to 45.0°F over…

A: Given :-  T1 = -4.00°F  T2 = 45.0°F  To determine :-  Temperature change i.e. ∆T (in °C)

Q: Determine the value of ASgurr at 298 K, and predict whether or not the reaction is spontaneous at…

A:

Q: Which of the following gives a buffer solution when equal volumes of the two solutions are mixed?…

A: Equimolar mixture of weak acid and its salt or weak base and its salt will form buffer solution.…

Q: Question There are exactly 12 items in 1 dozen. When using this conversion factor, how many…

A: The significant figure refers to particular digits in a number. According to the measurement rule,…

Q: III. Translate the worded equation and balance the equation. a. Nitric acid + Copper = Cupric…

A:

Q: Determine the rate of formation of SO42− if the initial concentration of I− was 0.5530 M and…

A:

Q: How many moles of the precipitate are  in the solution? 2. How many moles of Metal Br are  in the…

A: From given information we can say that Unknown metal = M+   Bromide ion = Br-  Metal bromide = MBr…

Q: Contains 157 Zine oxide ointment APF of eine oxide mixed with 85 g of smple ointment . you require…

A: Answer: Initially 15g of ZnO is mixed in 85g of simple ointment, which means, 100g Ointment APF…

Q: Activity 2. My Reactions Answer the following questions about chemical reaction below 2H2+ O2 - 2H2O…

A: Given, 2H2(g) + O2 ➝ 2H2O 1) What are the reactants = ? 2) What is the product = ? 3) What do you…

Q: Like many other complex ions, the formation of complexes between tin (II) cation and hydroxide…

A: We need to find the concentration of Sn2+ at equilibrium

Q: Chemistry can someone answer these in 20min? thank you. Question 2 of 9 Question 2 Polystyrene is a…

A: Polymer can be defined as a macromolecule which is made up of large number of monomers

Q: The equilibrium constant, Kc, was found to be 1.3 x 10^3 at 24.6 C for the reaction.…

A: Here we are required to find the reduction potential of half reaction of X.

Q: A sample of air at 20.0 psipsi compresses from 460. mLmL to 200. m If the temperature remains…

A:

Q: How is the behavior in general regarding the absorption and emission spectra of fluorescence and…

A: Fluorescence:-It is an important physical phenomenon in which light is absorbed at one wavelength,…

Q: Side by side dot structures of two water moleculs are given below. Draw structures like that on your…

A: Water is a polar molecule made of 2 hydrogen atoms and 1 oxygen atom, giving it a molecular formula…

Q: What is the total number of oxygen atoms on the left-hand side of this chemical equation? 2 Ca,…

A:

Q: Draw the structure of the major organic product(s) of the reaction. NaOH H20 Draw the structure of…

A:

Q: created Is NH, being created or destroyed by the chemical reaction? destroyed neither created nor…

A: Given:

Q: Carbon disulfide gas and oxygen gas react to form sulfur dioxide gas and carbon dioxide gas. What…

A:

Q: At a certain temperature the vapor pressure of pure chloroform (CHCI,) is measured to be 363. mmHg.…

A: Vapor pressure of solution = Mole fraction of the solvent   x  Vapor pressure of pure solvent mole…

Q: An aqueous solution at 25°C has a hydroxide ion concentration of 7.0×10-8 M. Calculate [H3O+] for…

A:

Q: second law of thermodynamics

A:

Q: The heat of vaporization AH, of acetonitrile (CH, CN) is 29.8 kJ/mol. Calculate the change in…

A:

Q: How many covalent bonds are in the Lewis Structure of CH3CHCI2.? O 5 07 O 4 O 8

A: Which one of the following is correct

Q: (28) The standard Gibbs free energy associated with the following reaction is -91.2 kJ: (s) 1D*HN E…

A:

Q: The tables above show the radial wavefunctions and the spher atomic orbitals. Write down the…

A: wavefunction of hydrogen atom

Q: Ci Very hot H3CO OCH

A:

Q: A certain liquid X has a normal boiling point of 90.50 °C and a boiling point elevation constant…

A:

Q: explain why BH3 and CH2O is polar and the other is non polar even though they have similar shapes.

A:

Q: Name the following complex ions. formula name olo

A: