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Chemistry-

General

Easy

Question

The ag e of articles of org aniconic in can be estimated by radiocarbon dating. The radio-isotope carbon-14 is produced continuously in the upper atmosphere as the nitrogen atoms capture
$blank subscript 7 superscript 14 N plus subscript 0 superscript 1 n not stretchy ⟶ subscript 6 superscript 14 C plus subscript 1 superscript 1 H$
cosmic ray neutrons.
The 14 C atoms react with oxygen molecules to form ¹⁴CO₂, ¹⁴CO₂ is absorbed by the plants in photosynthesis. Carbon-14 decays with a half Life OF 5730 years.
$blank subscript 6 superscript 14 C not stretchy ⟶ subscript 7 superscript 14 N plus subscript negative 1 end subscript superscript 0 e to the power of minus$
After death, the plant no Longer carries out photosynthesis, so it no Longer takes-up ¹⁴ CO₂ Other org anisms that consume plants for food stop doing so at-death. The emission from ¹⁴ C in dead tissue then decreases with the passage of time. The activity per g ram of carbon is a measure of the Length of time elapsed since death. The carbon-14 technique is useful only for dating objects for a Limited period of time.
In carbon dating:

the decay rate of It is studied
the rate of accumulation of It is studied
the rate of decay of is studied
the rate of formation of is studied

The correct answer is: the decay rate of It is studied

Related Questions to study

The age of articles of org aniconic in can be estimated by radiocarbon dating. The radio-isotope carbon-14 is produced continuously in the upper atmosphere as the nitrogen atoms capture
$blank subscript 7 superscript 14 N plus subscript 0 superscript 1 n not stretchy ⟶ subscript 6 superscript 14 C plus subscript 1 superscript 1 H$
cosmic ray neutrons.
The 14 C atoms react with oxygen molecules to form ¹⁴CO₂, ¹⁴CO₂ is absorbed by the plants in photosynthesis. Carbon-14 decays with a half Life OF 5730 years.
$blank subscript 6 superscript 14 C not stretchy ⟶ subscript 7 superscript 14 N plus subscript negative 1 end subscript superscript 0 e to the power of minus$
After death, the plant no Longer carries out photosynthesis, so it no Longer takes-up ¹⁴CO₂ Other org anises that consume plants for food stop doing so at-death. The emission from ¹⁴C in dead tissue then decreases with the passage of time. The activity per gram of carbon is a measure of the Length of time elapsed since death. The carbon-14 technique is useful only for dating objects for a Limited period Of time.
A piece of wood taken from a cave d welling in New Mexico is found to have a carbon-14 activity (per g ram of carbon) only 0.636 times that of wood cut today. Estimate the ag e of the wood

The age of articles of org aniconic in can be estimated by radiocarbon dating. The radio-isotope carbon-14 is produced continuously in the upper atmosphere as the nitrogen atoms capture
$blank subscript 7 superscript 14 N plus subscript 0 superscript 1 n not stretchy ⟶ subscript 6 superscript 14 C plus subscript 1 superscript 1 H$
cosmic ray neutrons.
The 14 C atoms react with oxygen molecules to form ¹⁴CO₂, ¹⁴CO₂ is absorbed by the plants in photosynthesis. Carbon-14 decays with a half Life OF 5730 years.
$blank subscript 6 superscript 14 C not stretchy ⟶ subscript 7 superscript 14 N plus subscript negative 1 end subscript superscript 0 e to the power of minus$
After death, the plant no Longer carries out photosynthesis, so it no Longer takes-up ¹⁴CO₂ Other org anises that consume plants for food stop doing so at-death. The emission from ¹⁴C in dead tissue then decreases with the passage of time. The activity per gram of carbon is a measure of the Length of time elapsed since death. The carbon-14 technique is useful only for dating objects for a Limited period Of time.
A piece of wood taken from a cave d welling in New Mexico is found to have a carbon-14 activity (per g ram of carbon) only 0.636 times that of wood cut today. Estimate the ag e of the wood

Chemistry-General

The age of articles of org aniconic in can be estimated by radiocarbon dating. The radio-isotope carbon-14 is produced continuously in the upper atmosphere as the nitrogen atoms capture
$blank subscript 7 superscript 14 N plus subscript 0 superscript 1 n not stretchy ⟶ subscript 6 superscript 14 C plus subscript 1 superscript 1 H$
cosmic ray neutrons.
The 14 C atoms react with oxygen molecules to form ¹⁴CO₂, ¹⁴CO₂ is absorbed by the plants in photosynthesis. Carbon-14 decays with a half Life Of 5730 years.
$blank subscript 6 superscript 14 C to the power of 14 not stretchy ⟶ plus 14 over 7 N plus subscript negative 1 end subscript superscript 0 e to the power of minus$
After death, the plant no Longer carries out photosynthesis, so it no Long er takes-up ¹⁴CO₂ Other org anises that consume plants for food stop doing so at-death. The emission from ¹⁴C in dead tissue then decreases with the passage of time. The activity per g ram of carbon is a measure of the Length of time elapsed since death. The carbon-14 technique is useful only for dating objects for a Limited period of time.
Which one is correct?

The age of articles of org aniconic in can be estimated by radiocarbon dating. The radio-isotope carbon-14 is produced continuously in the upper atmosphere as the nitrogen atoms capture
$blank subscript 7 superscript 14 N plus subscript 0 superscript 1 n not stretchy ⟶ subscript 6 superscript 14 C plus subscript 1 superscript 1 H$
cosmic ray neutrons.
The 14 C atoms react with oxygen molecules to form ¹⁴CO₂, ¹⁴CO₂ is absorbed by the plants in photosynthesis. Carbon-14 decays with a half Life Of 5730 years.
$blank subscript 6 superscript 14 C to the power of 14 not stretchy ⟶ plus 14 over 7 N plus subscript negative 1 end subscript superscript 0 e to the power of minus$
After death, the plant no Longer carries out photosynthesis, so it no Long er takes-up ¹⁴CO₂ Other org anises that consume plants for food stop doing so at-death. The emission from ¹⁴C in dead tissue then decreases with the passage of time. The activity per g ram of carbon is a measure of the Length of time elapsed since death. The carbon-14 technique is useful only for dating objects for a Limited period of time.
Which one is correct?

Chemistry-General

A 5V battery with internal resistance 2 $capital omega$ and a 2V battery with internal resistance 1W resistor are connected to a 10 $capital omega$ as shown in the figure

A 5V battery with internal resistance 2 $capital omega$ and a 2V battery with internal resistance 1W resistor are connected to a 10 $capital omega$ as shown in the figure

Physics-General

parallel

When 2g non-volatile solute is dissolved in 100g of benzene, the vapour pressure of benzene at 20 $degree$ C is Lowered from 74:66 mm to 74.01mm Molecular formula of solute may be:

When 2g non-volatile solute is dissolved in 100g of benzene, the vapour pressure of benzene at 20 $degree$ C is Lowered from 74:66 mm to 74.01mm Molecular formula of solute may be:

Chemistry-General

If in the circuit shown below, the internal and V resistance of the battery is 1 $capital omega$ and V _p and V_Q are the potentials at P and Q respectively, the potential difference between the points P and Q is

If in the circuit shown below, the internal and V resistance of the battery is 1 $capital omega$ and V _p and V_Q are the potentials at P and Q respectively, the potential difference between the points P and Q is

Physics-General

Two cells of emf 4V and 8V are connected to two resister 4 $capital omega$ and 6W as shown If 8V cell $capital omega$ and 6W is short circuited Then current through resistance

Two cells of emf 4V and 8V are connected to two resister 4 $capital omega$ and 6W as shown If 8V cell $capital omega$ and 6W is short circuited Then current through resistance

Physics-General

parallel

In the circuit shown L1, L2, L3, and L4 are identical light bulbs There are six voltmeters connected to the circuit as shown Assume that the voltmeters are ideal If L3 were to burn out, opening the circuit, which voltmeter(s) would read zero volts?

In the circuit shown L1, L2, L3, and L4 are identical light bulbs There are six voltmeters connected to the circuit as shown Assume that the voltmeters are ideal If L3 were to burn out, opening the circuit, which voltmeter(s) would read zero volts?

Physics-General

The potentiometer circuit shown is used to find the internal resistance of the cell E At balance, the galvanometer pointer does not deflect, and NO current flows through

a) the potentiometer wire PQ
b) the resistor R
c) the galvanometer G

The potentiometer circuit shown is used to find the internal resistance of the cell E At balance, the galvanometer pointer does not deflect, and NO current flows through

a) the potentiometer wire PQ
b) the resistor R
c) the galvanometer G

Physics-General

In the above circuit, C denotes the balance position on the potentiometer wire AB Which of the following procedures can shift C towards the end B?

a) replacing the driving cell X by one with a smaller EMF
b) adding a resistance in series with the galvanometer G
c) increasing the resistance of the rheostat R

In the above circuit, C denotes the balance position on the potentiometer wire AB Which of the following procedures can shift C towards the end B?

a) replacing the driving cell X by one with a smaller EMF
b) adding a resistance in series with the galvanometer G
c) increasing the resistance of the rheostat R

Physics-General

parallel

In the circuit shown in fig., the potential difference between the points C and D is balanced against 40 cm length of potentiometer wire of total length 100 cm in order to balance the potential difference between the points D and E The jockey to be pressed on potentiometer wire at a distance of

In the circuit shown in fig., the potential difference between the points C and D is balanced against 40 cm length of potentiometer wire of total length 100 cm in order to balance the potential difference between the points D and E The jockey to be pressed on potentiometer wire at a distance of

Physics-General

Cations absorb 6.023 $cross times$ 10²² electrons for the reduction How many equivalents of the ion reduced

Cations absorb 6.023 $cross times$ 10²² electrons for the reduction How many equivalents of the ion reduced

Chemistry-General

Three bulbs with their power and working voltage are connected as shown in the circuit diagram to a 12 V battery The total power consumed by the bulbs is (ignore the internal resistance of the battery shown)

Three bulbs with their power and working voltage are connected as shown in the circuit diagram to a 12 V battery The total power consumed by the bulbs is (ignore the internal resistance of the battery shown)

Physics-General

parallel

In the following circuit, 5 $capital omega$ resistor develops 45 J/s due to current flowing through it the resistor is $capital omega$ power developed across 12 $capital omega$

In the following circuit, 5 $capital omega$ resistor develops 45 J/s due to current flowing through it the resistor is $capital omega$ power developed across 12 $capital omega$

Physics-General

Electrolysis is the process in which electrical energy is converted to chemical energy in electrolytic cell, oxidation takes place at anode and reduction at cathode Electrode process depends on the electrode taken for electrolysis Amount of substance liberated at an electrode is directly proportional to the amount of charge passed through it the mass of substance liberated at electrode is calculated using the following relation:
$m equals fraction numerator I t E over denominator 96500 end fraction$
Here, E represents the equivalent mass and 96500 C 'is called the Faraday constant Faraday (96500 C) is the charge of I mole electron, i.e., 6.023 $cross times$ 10²³ electrons; it is used to liberate one gram equivalent of the substance.
The passage of current liberates H₂ at cathode and Cl₂ at and e The solution is:

Electrolysis is the process in which electrical energy is converted to chemical energy in electrolytic cell, oxidation takes place at anode and reduction at cathode Electrode process depends on the electrode taken for electrolysis Amount of substance liberated at an electrode is directly proportional to the amount of charge passed through it the mass of substance liberated at electrode is calculated using the following relation:
$m equals fraction numerator I t E over denominator 96500 end fraction$
Here, E represents the equivalent mass and 96500 C 'is called the Faraday constant Faraday (96500 C) is the charge of I mole electron, i.e., 6.023 $cross times$ 10²³ electrons; it is used to liberate one gram equivalent of the substance.
The passage of current liberates H₂ at cathode and Cl₂ at and e The solution is:

Chemistry-General

For a cell, the graph between the P.D (V) across the terminals of the cell and the current I drawn from the cell is shown in the fig the emf and the internal resistance of the cell is E and r respectively

For a cell, the graph between the P.D (V) across the terminals of the cell and the current I drawn from the cell is shown in the fig the emf and the internal resistance of the cell is E and r respectively

Physics-General

parallel

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