What does X represent for this transmutation?

49Be+24He→X+01n

513B

613C

25He

612C

Explain how you would convert the moles of a compound to the made (grams) of the same compound

Is sediment part of igneous rock?

Using the atomic masses and relative abundance of the isotopes of nitrogen given below, determine the average atomic mass of nitrogen. N-14: 14.003 amu; 99.63% N-15: 15.000 amu; 0.37% A) 14.003 amu B) 14.007 amu C) 14.506 amu D) 15.000 amu

What is the total number of moles of solute in 4.0 liters of 4.0 M NaOH

What information does a net ionic equation give? O A. It lists only the spectator ions that are present. B. It lists only the components that are ions. O C. It lists only the substances that are changed. D.

Determine the name of the compound Li2O

Complete the reactions to show how butanoic acid may be converted to phenyl propyl ketone.

As a sample of the radioactive isotope 131I decays, its half-life (1) decreases (2) increases (3) remains the same

How many Joules of energy are required to change 10.0 gram of ice at - 2.0 C to water at 20.0 C? (use your constants) 440 J 66,000 J 880 4220 J

Why are Van der Waals forces important? A) They determine how strong dipole moments will be in polar covalent molecules B) They are the strongest type of intermolecular force that can act on polar and non-polar molecules C) They are primary