lodine-131 has a half-life of 8.0 minutes. How many half-lives will pass in 120 minutes?

Q: In normal-phase chromatography, the stationary phase is Therefore, the eluent strength of the…

A: Normal Phase Chromatography - It is one of the separation method where the components are divided…

Q: Given that there are four transitions in hydrogen (410 nm, 434 nm, 486 nm and 656 nm), please match…

A: According to the question, The four sets of wavelength is given as 410, 434 nm, 486 nm, and 656 nm…

Q: Eto N CH3 N 2.NaOH Eto Br₂ S Br N CH3

A: Due to the electronegativity difference C-Br bond is polar. There is a partial positive charge on…

Q: A certain metal M forms a soluble sulfate salt MSO4. Suppose the left half cell of a galvanic cell…

A: Given,  Concentration of left galvanic cell =1.50 M  Concentration of right galvanic cell = 75 mM

Q: Determine the oxidation state of the transition metal in each of these coordination compounds.…

A: Since, If complex is neutral means complex have no any charge then sum of oxidation number of all…

Q: What is the indicated bond angle and shape in the molecule below:

A: Given : structure of molecules Tip : count lone pairs and bond pairs then apply VSEPR theory

Q: 5. Consider the reactions of esters, draw the main product for each CH3 -F CH3 H₂O H₂O* CH,NH,…

A:

Q: Aluminum reacts with aqueous sodium hydroxide to produce hydrogen gas according to the following…

A: we have to calculate the mass of H2 produced

Q: A silver material is to be plated with gold using an aqueous solution of Au*3. How many moles of…

A: we have to calculate moles of gold deposited

Q: Identify and sketch the spatial representation of the HOMO and LUMO for the HF molecule.

A: The concept used here is from chemical bonding of inorganic chemistry.  Here we were given HF…

Q: The following reaction is a first-order reaction.  If the concentration drops by 38% after 185…

A: Assume initial concentration is Ao  = 100 Final Concentration will be  At = 62  Time  taken for the…

Q: Calculate the energy required to heat 2.00 kg of silver from -6.1 °C to 10.2 °C. Assume the specific…

A:

Q: ANASTROZOLE (1 MG TABLET, t1/2 = 50 hours) COMPUTED REACTION CONSTANT BASED ON HALF LIFE: Assuming a…

A: Given that: Initial amount of drug = 1 mg  t1/2 = 50 hours k = 1.386 x 10-2 hours-1 Percentage of…

Q: Select to Draw heat Select to Draw B CH₂OH CH.OH heat (CH₂)COK ㅕ heat H₂O* 3 heat

A: Elimination reaction in which the small molecules are removed and form the double bond. The double…

Q: The element zirconium (Zr) crystallizes with a Simple Hexagonal unit cell. The density of a…

A: density (d)  =mass / volume  volume  = 3*sqrt(3)*a^2*C / 2      C = 1.633 a      a = 2r    C =…

Q: 6H+ + ClO3 + 6 Br →> 3 Br₂ + CI+ 3 H₂O How many mL of a 0.350 M Fe(ClO3)3 solution would be required…

A: we have to calculate the volume of solution needed

Q: Study the series of ring structures a – d in the figure above. Fill in the IUPAC names for the rings…

A:

Q: Determine the formulas for these ionic compounds. copper(1) bromide: copper(II) bromide: iron(III)…

A:

Q: How many grams are there in 6.5 X 10^25 molecules of CO2?

A:

Q: 2. Assume that 1-bromobutane and 1-chlorobutane, both of which are liquids at room temperature, form…

A: It is given that an ideal solution is formed on mixing 1-bromobutane with 1-chlorobutane and the…

Q: Which complex will most likely undergo the slowest reductive elimination? Group of answer choices…

A: The concept used  in this question is from Organo metallic chemistry.  The topic here is reductive…

Q: On another planet, the isotopes of titanium have the given natural abundances. Abundance Mass (u)…

A: The average atomic mass of an element is the weighted average mass of the atoms in a naturally…

Q: The specific heat of liquid bromine is 0.226 J/g-K. How much heat (J) is required to raise the…

A:

Q: In which of the following pure substances would hydrogen bonding be expected? acetaldehyde H- H 0 +4…

A: Hydrogen bonding is the strongest intermolecular forces of attraction.

Q: 16. Which of the following could be a Lewis Base? 2+ I. II. III. Ca H* 5².

A: Given ions  Tip : anions are Lewis base.

Q: A galvanic cell is powered by the following redox reaction: 2+ 2NO3(aq) + 8H(aq) + 3 Zn(s) - 2 NO(g)…

A:

Q: ANSWER ASAP PLEASE Carbon-14 has a half-life of 5730 years and the radiocarbon activity of wood…

A:

Q: 18. Which compound(s) is(are) optically active? I (A) I and II (C) II only CI II CI OH OH III (B) II…

A:

Q: What are the angles a and b in the actual molecule of which this is a Lewis structure? H C H a a = =…

A: Use VSEPR theory Based on the number of valence shell electron bond pairs between the atoms in a…

Q: How many moles of carbon tetrachloride can be produced when 4.0 moles of chlorine gas react…

A: Given data: The moles of chlorine gas reacted=4.0 mol. To find: The moles of carbon tetrachloride…

Q: What is the IUPAC name of the following compound? ball & stick + labels Submit Answer Retry Entire…

A:

Q: D Question 3 The following is an elementary reaction: 2NOCI2NO+C/₂ (9) is NOT one of the principles…

A: Collision theory lists a number of postulates that are used to predict whether a reaction would…

Q: The cell dimension "a" is twice the radius (r) of the atom.  2r=a.   For most elements the dimension…

A:

Q: A 300 ml 1.6 M solution of an acid (HA), has a pH of 2.4 at 25oC.  From the given information, could…

A: We are provided with a 300 mL 1.6 M solution of an acid HA which have a pH of 2.4 at 25°C. We are…

Q: Chiral compounds have a so-called asymmetric carbon atom in the molecular structure, and are optical…

A:

Q: Calculate the energy required to heat 256.0 g of iron from 2.2 °C to 18.7 °C. Assume the specific…

A:

Q: Complete the balanced neutralization equation for the reaction below. Be sure to include the proper…

A: The problem is based on the concept of acid and Base reaction.  Here we are required to complete the…

Q: ОН HNO3 70

A: Note - HNO3 is Oxidising agent.

Q: What is the name given for the study of how fast reactions take place? A. Reaction Rate B.…

A: By knowing the definition of given terms of the question-14, one can answer it easily.

Q: If a tree dies and the trunk remains undisturbed for 1.245 x 104 years, what percentage of the…

A:

Q: Complete the balanced neutralization equation for the reaction below. Be sure to include the proper…

A: HCl is a strong  acid and NaOH is a strong base. When strong  acid and strong  base react each other…

Q: Draw the enolate anion and ester that would be needed to make this product through a Claisen…

A: Claisen condensation is such a reaction where new carbon-carbon bonds are formed by the reaction of…

Q: Consider the reaction CH4(g) + H₂O(g) 3H₂(g) + CO(g) Using the standard thermodynamic data in the…

A: From the question the reaction is, CH4g+H2Og→ 3H2g+COg The change in Gibbs free energy can be…

Q: Consider the balanced chemical equation when 18.3 g Al is reacted with 113 g I₂ to form AlI₃(g). a.…

A: Given balanced chemical equation :  2 Al(s) + 3 I₂(s) → 2 AlI₃(s)   Theoretical yield, limiting…

Q: ortho: ان . Para = :: -CH3 cms Meta :: ADHCs ان الاندو cH3 10 ا داع 19

A: Given in following question three strecture

Q: How many grams of CaH2 are needed to generate 10.0 L of H2 gas if the pressure of H2 is 750. torr at…

A:

Q: Gaseous butane CH3CH22CH3 will react with gaseous oxygen O2 to produce gaseous carbon dioxide CO2…

A:

Q: A certain metal M forms a soluble sulfate salt M₂SO4. Suppose the left half cell of a galvanic cell…

A: Concentration cells are electrochemical structures made up of two half-cells with identical…

Q: If a student added 26.9 grams of potassium hydrogen oxalate to 277 grams of water and determined…

A: In solution ; Potassium hydrogen oxalate present(solute) = 26.9 grams  Water present (solvent) = 277…

Q: Type the Roman numeral that corresponds to each of these numbers.

A: Given : numbers

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.