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How many days does it take for 32 grams of palladium -103 to decay to 2.0 grams the half - life of palladium -103 is 17 days?
It would take 51 days for 32 grams of palladium-103 to decay to 2.0 grams. This calculation involves multiple half-lives, as every 17 days half of the remaining material decays. By dividing the initial mass by 2 repeatedly until you reach 2.0 grams, you find that it takes 3 half-lives for the decay to occur.
How long does it take for nuclear waste to decay completely?
Nuclear waste can take thousands to millions of years to decay completely, depending on the type of radioactive material.
The half-life of carbon-14 is 5730 years. How long will it take for the number of carbon-14 nuclei in a sample to drop to a quarter of the original number?
It will take two half-lives for the number of carbon-14 nuclei to drop to a quarter of the original number. Since the half-life of carbon-14 is 5730 years, it will take 2 * 5730 years = 11460 years for this to occur.
How long does it take a 5 gram sample of Uranium -235 to decay to a mass of 2.5 grams?
700 million years
How many moles is 3 grams of carbon?
By definition, one mole would be the same as the atomic mass. You take the number of moles and multiply it by the atomic mass. So if you have just 1 mole, the number of grams will be the atomic mass. Carbon's atomic mass is 12.011 grams.
Carbon-14 has a half-life of 5730 years. How long does it take a 200-gram sample of carbon-14 to decay to a mass of 100 grams?
5,730 years
Carbon-14 has a half-life of 5730 years. how long does it take a 200-gram sample of carbon-14 decay to a mass of 100 grams?
5,730 years
How long will it take 24 grams of plutonium -240 to Decay to 20 gram?
The half-life of plutonium-240 is about 6,560 years. If 24 grams decay to 20 grams, it represents a loss of 4 grams of plutonium. The time it would take for 24 grams to decay to 20 grams would depend on the specific decay rate and is typically calculated using exponential decay equations.
How long will it take 600 grams of Plutonium to decay on 18.75 grams?
Each isotope has another half life.
How long will it take 36 grams of plutonium 240 to decay to 12 grams?
The decay of plutonium-240 has a half-life of about 656 million years. To go from 36 grams to 12 grams would require two half-lives, so it would take approximately 1.3 billion years for 36 grams of plutonium-240 to decay to 12 grams.
How long will it take 50 grams of a substance to decay to 10 grams if the rate of decay is k -0.345?
To determine how long it will take for 50 grams of a substance to decay to 10 grams with a decay constant (k = -0.345), we can use the exponential decay formula: [ N(t) = N_0 e^{kt} ] where (N_0) is the initial amount (50 grams), (N(t)) is the amount at time (t) (10 grams), and (k) is the decay constant. Rearranging the equation and solving for (t): [ 10 = 50 e^{-0.345t} ] Taking the natural logarithm of both sides and solving for (t) gives: [ t \approx \frac{\ln(5)}{-0.345} \approx 5.03 \text{ time units} ] Thus, it will take approximately 5.03 time units for the substance to decay from 50 grams to 10 grams.
How long does it take a 5-gram sample of uranium- 235 to decay to a mass of 2.5 grams?
One Half-Life :-)
How long will it take 36 grams of plutonium-240 to decay to 12 grams in years?
The half-life of plutonium-240 is about 6,560 years. To find the time it takes for 36 grams to decay to 12 grams, we can use the formula N = N0 * (1/2)^(t/t1/2), where N is the final amount, N0 is the initial amount, t is the time, and t1/2 is the half-life. Substituting the values, we find that it will take approximately 13,120 years for 36 grams of plutonium-240 to decay to 12 grams.
How long will it take 27 grams of plutonium-240 to decay to 9 grams?
The decay of plutonium-240 follows exponential decay kinetics, where the amount remaining is given by the equation: N(t) = N0 * e^(-λt), where N(t) is the amount remaining at time t, N0 is the initial amount, λ is the decay constant, and e is the base of the natural logarithm. The decay constant for plutonium-240 is 0.0106 years^-1. By rearranging the equation to solve for time (t) when N(t) = 9 grams and N0 = 27 grams, you can calculate the time it will take for 27 grams of plutonium-240 to decay to 9 grams. The calculated time will be approximately 20.5 years.
Plutonium-240 decays according to the function Q(t)=Q 0 e^ -kt where Q represents the quantity remaining after t years and k is the decay constant 0.00011 ... To the nearest 10 years , how long will it take 36 grams of plutonium-240 to decay to 12 grams?
To find the time it takes for 36 grams of plutonium-240 to decay to 12 grams, we can set up the equation 12 = 36 * e^(-0.00011t) and solve for t. The result is t ≈ 180 years. Therefore, it will take approximately 180 years for 36 grams of plutonium-240 to decay to 12 grams.
How long does it take a 200 gram sample of carbon-14 to decay to a mass of 100 grams?
About 5700 years. The half-life of carbon-14 is 5700 years, and the question is asking how long for 200 grams to become 100 grams. That is half, so the answer is 5700 years. It will take another 5700 years for the mass to further decay to 50 grams, and another 5700 years to decay to 25 grams.
What term used to describe rate of radioactive isotopes?
Half-life (in units of time).Half-Life is the rate of radioactive decay, measured in time. The half life gives the time it take for half of the radioactive atoms in a system to decay. Fore example, if you have 10 grams of carbon-14, it will take 5730 years for half of it to decay, giving you 5 grams. In another 5730 years, you'll have 2.5 grams left, etc...Isotopes decay at an exponential rate. A half-life is the time that half of the population of an isotope will decay. The measure is a statistical probability and is more accurate when a large population is observed. The term half-life is applied to describe a property of a given isotope (i.e. the half-life of Carbon 14 is 5730).half life
