nxusasmangaliso1810 nxusasmangaliso1810

20-12-2022
Chemistry

Answered

we examine some charcoal in a cave that we believe has been isolated the full time between when it was created and now. we observe that it has an amount 0.38 of its original amount of carbon 14 (half life: 5,730 years). how old is the sample? blank 1. calculate the answer by read surrounding text. years

Answer :

Other Questions

if the half-life of radioactive 7233as is 26.0 h, determine the time interval (in h) for the activity of a sample of this isotope to decrease by 79.5% from its

a sample of gas has a density of 4.5 g/l and a volume of 5.9 l. what is the mass (in g) of the sample?

a 0.206 gram sample of hydrogen gas has a volume of 935 milliliters at a pressure of 2.19 atm. the temperature of the gas sample is

The olubility of potaium nitrate at 20°C i 250 g/L. Calculate the ma of potaium nitrate we mut diolve in 400 ml of water for having a aturated olution at 20°C

why is it highly likely that life, should it exist elsewhere in the universe than just on earth, would be based on carbon chemistry?

phosphorus-30, which has a half-life of 150 seconds, decays by positron emission. how long will it take for 4.6% of this nuclide to decay? (express your answer

A student is given a sample of small mass of baking soda and a sample of vinegar. The student is asked to predict what will happen when the two substances are a

Step 1: H2(g) + ICI(9) HI(g) + HCl(9) (slow) Step 2: HI(g) +ICI(g) + HCl(9) + 12 (9) (fast) the reaction is carried out at constant temperature inside a rigid

in chemistry and physics, what is a mole? the number of atoms of an element in a liter the number of molecules of an element in a liter the number of atomic mas

when of a certain molecular compound x are dissolved in of cyclohexane , the freezing point of the solution is measured to be . calculate the molar mass of x.