A sample of copper-64 gives a reading of 88 counts per second on a radiation counter. After 6.3 h, the sample gives a reading of 63 counts per second. What is the half-life (in hours) of copper-64? Half-life = h

A sample of copper-64 gives a reading of 88 counts per second on a radiation counter. After 6.3 h, the sample gives a reading of 63 counts per second. What is the half-life (in hours) of copper-64? Half-life = h

Chemistry: Matter and Change

1st Edition

ISBN:9780078746376

Author:Dinah Zike, Laurel Dingrando, Nicholas Hainen, Cheryl Wistrom

Publisher:Dinah Zike, Laurel Dingrando, Nicholas Hainen, Cheryl Wistrom

Chapter24: Nuclear Chemistry

Section24.2: Radioactive Decay

Problem 9PP

See similar textbooks

Related questions

Q: Given the following half reactions: Sn4+ + 2e− → Sn2+ Eº = 0.15 V Fe3+ +…

Q: Calculate the molarity of 9.3 g of copper (II) sulfate, CuSO4 dissolved in 225 mL of water. 3.87 M…

Q: a) Calculate the electronegativity difference in a O-F bond. b) Describe the bond polarity A) 7.5 B)…

A: Electronegativity is the tendency of atom to pull the shared pair of electron towards itself in a…

Q: Column 1 Mass of empty and clean evap. dish ívàss or the evap. aisn + sodium bicarbonate (g) 1st…

A: To calculate for the following and label it under Trial 1 and Trial 2. Mass of NaHCO3 initially used…

Q: For the reaction given below X(g) = 2Z(g) the initial reaction mixture contained only [X] -0.0100 M.…

A: Given: Initial concentration of X = 0.0100 M Equilibrium constant, K = 9.08 × 10-3 M

Q: (CH3)3COH = convert tocomplete structure

Q: A compressed gas cylinder, at 74.5 atm and 23o C, is in a room where a fire occurs. The fire raises…

A: Gay-Lussac’s Law: According to Gay-Lussac’s law, if we increase the temperature of a definite amount…

Q: Find AH for the reaction below, given the following reactions and AH values: PC15(g) → PC13(g) +…

A: Given data: Target reaction is as below: PCl5 (g) -----> PCl3 (g) + Cl2 (g) The information…

Q: When a particle of mass 9.1 x 10-28 g in certain 1-D box goes from the n = 5 level to the n=2 level,…

Q: remove stains. The H₂O2 in the product can be titrated with the MnO4 under acidic conditions by the…

A: Given data for Q6 Reaction involved : 5H2O2 (aq) + 2MnO4- (aq) + 6H+ (aq) -------> 5O2 (g) +…

Q: You are making 100 mL of a 0.66M phosphoric acid buffer with a pH of 7.0. What is the concentration…

Q: what is 510?

A: Calculate the measurement, 510=?

Q: element cobalt in battery technology? b)What are the physical properties of the element cobalt in…

Q: (a) how many grams of methane should the fuel injection system send to the cylinder to consume 80%…

A: The above given reactions are combistion reactions of methane. In combustion reactions gases like…

Q: For the compound PCIHS, which atom will be the center atom and why? Cl because it has the most…

A: To answer: For the compound PCIHS, which atom will be the center atom and why? Cl because it has…

Q: When the following equation is balanced properly under acidic conditions, what are the coefficients…

Q: Aqueous hydrobromic acid (HBr) reacts with solid sodium hydroxide (NaOH) to produce aqueous sodium…

Q: The velocity of air in a 0.08 m² air duct is 5 m/s. How much air can pass through the duct in a…

Q: The decomposition of an aldehyde solution in carbon tetrachloride is a first-order reaction with a…

Q: rite/show the enthalpy change using the four methods of representing the equation learned in this…

Q: A chemical system in which both energy and matter can flow into or out of a system is described as:…

A: Since you have asked questions with multiple subparts, we will answer only first 3 subparts for you.…

Q: The strongest intermolecular force acting on difluoromethane is H- :F: -C-H :F: H-bonding…

A: We have to identify the strongest intermolecular forces present in the molecule

Q: Compare the towing electronic ins clear charge according atomic Nuclear charge No of protons) Rank…

A: Isoelectronic species have the same number of electrons. For Isoelectronic species greater the…

Q: How much (mL) silver nitrate is required for the standardization? 4.995 49.950 49.590 45.990

A: Weight of silver chloride (ppt) = 0.750 g MW of silver nitrate = 169.87 g/mL MW of silver chloride =…

Q: At a certain temperature the rate of this reaction is first order in CICH₂CH₂Cl with a rate constant…

A: Given, First order reaction, ClCH2CH2Cl (g) ----> CH2CHCl (g) + HCl (g) Rate constant (k) = 0.144…

Q: The n-acceptor ligand attached to the metal, the rate of reductive elimin (a) enhance (b) lessen (c)…

Q: How many grams of aluminum iodide, , must be dissolved to prepare 500. mL of a 0.148 M aqueous…

Q: Appropriate product for the following reaction? (1) CH,Li (1 equiv.) (2) H2O. Hº ос OH none ОВ ФА OD…

A: Organo lithium reagent can act as both acid and Nucleophile.

Q: Balance the following equation: ---C6H14 + O2 --> 111 2, 38, 12, 14 1, 10, 6, 7 O1, 19, 6, 7 === CO₂…

Q: b Predict the shape of the following molecule or ion: FS3 trigonal pyramidal trigonal planar linear…

A: Shape of molecule is decide by the number of bonds formed by the molecule and it's electron pair…

Q: Consider a hypothetical chemical reaction: A+B → C+D (In this equation A, B, C and D stand for some…

Q: A bag of candy weighs 0.0049 kg. How many grams is this? 4.9 g 0.49 g 49 g 0.000049 g

A: 1 Kilogram (Kg) = 1000 g

Q: For the following reaction, 84.3 grams of sulfur dioxide are allowed to react with 8.67 grams of…

Q: What is the pH of a sol that is 0.15m in CH3coone and 0.20m in ch3cooh the ka of ch3cooh is 1.8x10-5

Q: What if the formula for conjugate acid for CIO2- ?

A: we have to write the formula for conjugate acid of ClO2-

Q: (B) Energy level Diagram Sr Atom S-2 ion Sn Atom Cu+2 ion

A: As you need help in energy level diagram so I am mentioning energy level diagram here one by one.

Q: Given the reaction below, write the thermochemical equation showing the enthalpy of the…

Q: The temperature of a fixed mass of gas was varied was from 16 °C to 58 °C without changing the…

Q: 4N0 19 + 6 A ₂0K) - 4 NH3 + 50₂ (9) DH = 70,000 J. Using Le ChatelieRS PRIciple explain yow anch of…

A: The answer to the following question is-

Q: Determine the number of significant figures in the answers to these math problems: 9,382.65 + 60.152…

A: There are some rules for finding total no. of significant figures: 1) All non zero numbers are…

Q: Mass of Aluminum 3.08 g Density of Aluminum 2.70 g/cm3 Volume of Aluminum Foil 1.14 cm3 Thickness of…

A: Mass of Al=3.08 gDensity of Al=2.70 gcm-3Volume of Al foil=1.14 cm3Thickness of Al…

Q: Why is it uncommon for diprotic and triprotic acids to completely dissociate in an aqueous solution?

A: An acid is one which donates a proton wheras a polyprotic acid donates protons. Polyprotic acid…

Q: Calculate the [OH-] of each aqueous solution with the following [H3O+], and then identify the…

A: pH : it can define have the negative logarithm of H+ ion or H3O+ concentration. When pH > 7…

Q: Review Topics] Select the most acidic hydrogen in the molecule below. [References) . Gray C; white =…

Q: When a substance decays by beta emission, the mass number of the nucleus O decreases by 1; remains…

A: We have to choose which option is correct about emmision of beta partilce.

Q: Suppose 0.802g of sodium iodide is dissolved in 50.mL of a 59.0mM aqueous solution of silver…

A: Balanced equation for the reaction of sodium iodide (NaI) and silver nitrate (AgNO3) is , NaI(aq) +…

Q: You are making 100 mL of a 0.66M phosphoric acid buffer with a pH of 7.0. What is the concentration…

Q: Calculate the pH after addition of 19.35 mL of 0.1302 M KOH to 25.00 mL of 0.1785 M CH 3CH 2CO 2H. K…

Q: Provide the name for CoN. Cobalt nitrate Cobalt nitride Carbon oxygen nitride Cobalt (III) nitride

A: The name of CoN is Cobalt nitrate.

Q: amount of Aluminum hydroxide required to completely neutralized 20.0 mL of 0.100 M sulfuric acid. If…

Concept explainers

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.

Question

H8.

A sample of copper-64 gives a reading of 88 counts per second on a radiation counter. After 6.3 h, the sample gives a reading of 63 counts per second. What is the half-life (in
hours) of copper-64?
Half-life =
h

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

SEE SOLUTION Check out a sample Q&A here

Step 1

VIEW

Step 2

VIEW

Step by step

Solved in 2 steps with 2 images

SEE SOLUTION Check out a sample Q&A here

Knowledge Booster

Learn more about

Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, chemistry and related others by exploring similar questions and additional content below.

Recommended textbooks for you

Chemistry: Matter and Change

Chemistry

ISBN:

9780078746376

Author:

Dinah Zike, Laurel Dingrando, Nicholas Hainen, Cheryl Wistrom

Publisher:

Glencoe/McGraw-Hill School Pub Co

Introductory Chemistry For Today

Chemistry

ISBN: