What proportion of the 14C present in Otzi's body when he died is still there today? When he died, it would have been 1.0 .

Question

What proportion of the 14C present in Otzi's body when he died is still there today? When he died, it would have been 1.0 .

Expert Answer

Want to see the step-by-step answer?

Check out a sample Q&A here.

Want to see this answer and more?

Experts are waiting 24/7 to provide step-by-step solutions in as fast as 30 minutes!*

*Response times may vary by subject and question complexity. Median response time is 34 minutes for paid subscribers and may be longer for promotional offers.
Tagged in
Science
Chemistry

General Chemistry

Related Chemistry Q&A

Find answers to questions asked by students like you.

Q: LAIH4 CEN CENDIBAL C N MgBr > THF(Solven) O Lit e YO (LDA) Y CH3I CH3I To- Noe Cl2 NH2 Hcl /H20 0 2)...

A: Product of the reaction has to be identified.(a)Reduction: Nitriles undergoing reduction by using Li...

Q: What does the value of Kw say about the extent to which water molecule react with themselves? a. Wat...

A: Kw stands for the water ionization constant that is also called as water auto-ionization constant.

Q: how to correlate the size of an atom with its chemical reactivity?

A: The size of atom is the distance between the center of nucleus and the valence electron.  The size o...

Q: How would I set up this problem. A graduated cylinder contains 19.0mL of water. What is the new wate...

A: The density tells you how many grams are equal to 1mlDensity = ρ = mass/volume The density of silver...

Q: The products of the combustion of acetone with oxygen are shown in the following equaTION: _CH3COCH3...

A: The given chemical equation is shown by the equation (1).The equation is not a balanced chemical equ...

Q: what is the base sequence of the mRNA transcribed from this strand T-T-C-C-G-A-A-A-G-A-T-C?

A: The bases in DNA and RNA are,DNA - Adenine (A), Thymine (T), Guanine (G) and Cytosine (C).RNA - Aden...

Q: Calculate the pH of a solution prepared by mixing 15.0 mL of .100 M NaOH and 30 mL of .100 M benzoic...

A: The moles of given acid and base can be calculated as

Q: What is an atom?

A: An atom can be generally defined as the smallest unit of matter and they are composed of smaller sub...

Q: Fill in the missing mass number and atomic number for each of these particles or types of radiation....

A: Alpha particle is a helium nucleus.  When a nucleus emits alpha particles, it undergoes decrease in ...

Q: The age of wine can be determined by measuring the trace amount of radioactive tritium. Tritium is f...

A: Radioactive decay follows first order kinetics. Tritium is a radioactive isotope of hydrogen and fol...

Q: Determine the number and type of chemical bonds in silicon tetrabromide (SiBr4) and rubidium chlorid...

A: The number and type of chemical bonds in silicon tetra bromide (SiBr4)One formula unit of silicon te...

Q: Consider the below reaction mechanism:Step 1: S(s) + O2(g) SO2(g) fast; k1 = rate constant for forwa...

A: Step 1-A reaction mechanism is given as shown-where k1 = rate constant for forward reaction for step...

Q: A metal "X" is used as a “sacrificial” anode on hulls of salt water vessels made of iron. The effect...

A: The voltage of a reaction in the electrochemical cell is expressed in terms of the electrode potenti...

Q: The backbone in a nucleic acids strand is called

A: As an organic molecule, carbon acts as a key element of nucleic acids. Carbon atoms appear in the su...

Q: A patient is suspected of having low stomach acid, a condition known as hypochloridia. To determine ...

A: Milimoles = Molarity × Volume.Number of milimoles of acid is equal to number of milimoles of base in...

Q: What is the ratio of acid to base in a solution having a pH=9?

A: Assume pKa of acid = 8.5 

Q: Can you please help me determine the σ framework and π MO Energy Diagram for this molecule?

A: The molecular orbitals are formed due to the mixing of the atomic orbitals of each of the atoms that...

Q: A solution is made that is 1.5×10−3 M in Zn(NO3)_2 and 0.180 M in NH3. After the solution reaches eq...

A: Write a balanced equation for the given reaction.

Q: Draw the Lewis Dot structure for N2 (on paper, not on Canvas) then answer the questions. a. How many...

A: Skeletal structure of N2 is given below. Each nitrogen atoms contribute 5 electrons and hence total ...

Q: Please devise Syntheses of the product Campaunds belou from ther respective Startng madenal Each of ...

A: Oxidation of benzyl alcohol to benzaldehyde,

Q: balance N2+H2=NH3

A: A chemical reaction can be represented by an equation which includes the reacting substances and tho...

Q: how do i convert 999m to mi with the correct significant figures

A: The relation between m and mi is shown as follows:1 m = 0.000621 miThe conversion factor used to con...

Q: Which of the following bonds would be the most polar? a. C-Br b. C-I c. Cl-Cl d. C-F

A: The difference in electronegativity between the two atoms of the bond determines the polarity of the...

Q: Which of these reactions take place in both anaerobic and aerobic respiration? A. glycolysis B. citr...

A: In aerobic respiration energy produce due to the breakdown of glucose in the presence of oxygen. In ...

Q: 7. Provide the major organic product of the following reaction sequence. 1. Mg 2. CO2 3. H,0*, A -Br

A: Grignard Reaction is an organometallic reaction in which different alkyl, aryl-magnesium halides add...

Q: A commercial juice is known to have 100 % of the daily allowance of vitamin C per serving. If the da...

A: Given,A commercial contains 100% of the daily allowance of vitamin C per serving.Daily allowance of ...

Q: A metal sample weighing 51.0 g and at a temperature of 100.0 oC was placed in 38.8 g of water at 25....

A: Hey, since there are subpart questions posted, we will answer first three questions. If you want any...

Q: Iron metal is reacted with hydrochloric acid to yield iron(II) chloride and hydrogen gas. A student ...

A: Percent yiel id defined as the percent ratio of the actual yield(experimental yield) of the reaction...

Q: Provide explanations for the number of intense perchlorate Cl-O stretching vibrational modes observe...

A: Ag(NH3)2(ClO4) compound is formed by forming a solution of AgClO4 in concentrated ammonia.The formed...

Q: If you are going 55 mph, what is your speed in nm per second?

A: We are going at speed of 55 mph.

Q: In terms of organic chemistry how do you know if an atom has ionic bonds or covalent bonds and how d...

A: Ionic bonds are formed by the complete transfer of valence electrons between atoms. If the electrone...

Q: Name the nucleohile, electrophile and leaving group in reaction for the preparation of t-amyl chlori...

A: Nucleophile is a species that has lone pairs of electrons which can be donated by it to form a coval...

Q: A chemist carries out this reaction using 10 moles of acetone and 16 moles of benzaldehyde and obtai...

A: The reaction of acetone with benzaldehyde results in the formation of dibenzalacetone. In this react...

Q: Átom?

A:  Step 1:The entire universe is composed of energy and matter. Anything around us that has holds mass...

Q: What would the theoretical yield and then reaction yield % be for esterification. My data point incl...

A: Theoretical yield is the amount of product predicted based on the stoichiometric ratio of the reacta...

Q: Indicate the answer choice that best completes the statement or answers the question. 1. Which of th...

A: Pauli exclusion principle states that no in an atom or molecule, no two electrons can have same set ...

Q: e. 1 2. What is the wavelength of a photon having a frequency of 1.65 x 1015 Hz? (c 34 J s) 100 m/s,...

A: We can use the following equation: (Frequency)(Wavelength) = speed of light in a vacuumWavelength = ...

Q: ) Complete Question#9 1 CCl Heat + CH3CC 2- CH2 1. 03 2.Zn/H30+ CH3

A: Fridel-crafts acylation:

Q: Consider the reaction, C2H4(g) + H2(g) → C2H6(g), where ΔH = –137 kJ. How many kilojoules are releas...

A: The reaction of alkene with hydrogen is called as hydrogenation. The energy change that is associate...

Q: 3. According to the general trend in electron affinities, which group (or family) of elements tend t...

A: Electron affinity is defined as energy released when an electron is added to a neutral atom in gaseo...

Q: 10. In the Benedict's test: a. An aldehyde is oxidized b. The copper ion is oxidized c. A silver mir...

A: A carbohydrate which has either a free aldehyde or free ketone functional group as a part of its mol...

Q: Clculate Gibbs free energy when  delta H = +125kJ/mol , T = 293K, mol and  delta S = 0.0350kJ/(mol K...

A: The change in Gibbs free energy is calculated as,

Q: calculate density of 0.625 g/L to g/cm cubed

A: Unit conversation is given below,1 g/L to gram/cubic meter = 1000 gram/cubic meter

Q: A sample of Cs weighs 88.1 grams. Will a sample of Ti that contains the same number of atoms weigh m...

A: Using the relationship between given mass and molar mass, the number of moles of a substance can be ...

Q: 2. a)What happens when Isoamyl Alcohol is allowed to heated with Acetic Acid in presence of concentr...

A: (a)Isoamyl alcohol reacts with acetic acid in the presence of concentrated sulfuric acid and gives i...

Q: What is the function of the enzyme helicase in DNA replication?

A: What is DNA?Deoxyribonucleic acid (DNA) is the molecule found in organisms which carry the genetic i...

Q: For the reaction2NO(g)+ O2(g)2NO2(g)G° = -73.5 kJ and S° = -146.5 J/K at 278 K and 1 atm.The maximum...

A: The reaction of NO gas with oxygen gas results in the formation of nitrogen dioxide gas. The corresp...

Q: The reaction rate of the following reaction:aA +bB ==> cC is known to be:k[A] 0 [B]2 Now answer t...

A: Rate of reaction and concentration of reactants are related as per rate law.Each reactant concentrat...

Q: What is the standard enthalpy change for the combustion of gaeous propylene, C3H6?  C3H6(g) + 9/2 O2...

A: STEP 1: write the balanced chemical equation 

Q: at room temperature, what is saturated concentration of salt that can be dissolved? Answer in units ...

A: A saturated solution is a chemical solution which contains the maximum concentration of a solute dis...