Uranium-232 has a half-life of 68.8 years. After 344.0 years, how much uranium-232 will remain from a 100.0-g sample?

1.56 g

3.13 g

5.00 g

20.0 g

What was the final temperature of the metal

Which characteristic is given by principal quantum number?

How does the process of cell division replace damaged cells? A) Cells split into two new cells with the identical genetic makeup. B) Chloroplasts use carbon dioxide and water to create glucose.

A great deal of the blue ridge was eroded the road it rock eventually settled in virginia's coastal plain what process caused this

Volume is a measurement of how fast particles of a substance are moving. true or false.

Nonmetal oxides can react with water to form acids. For example, carbon dioxide reacts with water to form carbonic acid: CO2 H2O H2CO3. (1) Write an equation to show how diiodine pentaoxide reacts with water to form an acid. Do not include states.

If atmospheric pressure suddenly changes from 1.00 atm to 0.892 atm at 298 k, how much oxygen will be released from 4.40 l of water in an unsealed container?

Determine the molecular formula for the unknown if the molecular mass is 60.0 amu and the empirical formula is ch2o.

Draw the organic product of the following nucleophilic reaction

How does the energy of the activated complex compare with the energies of reactants and products? select one: a. it is lower than the energy of both reactants and products. b.