Questions from College Physics

Q: A wooden artifact is found in an ancient tomb. Its carbon

A wooden artifact is found in an ancient tomb. Its carbon - 14 (146C) activity is measured to be 60.0% of that in a fresh sample of wood from the same region. Assuming the same amount of 14C was initi...

Q: A beam of 6.61 - MeV protons is incident on

A beam of 6.61 - MeV protons is incident on a target of 1327Al. Those protons that collide with the target produce the reaction (1427Si has a mass of 26.986721 u.) Neglecting any recoil of the produc...

Q: Identify the unknown particles X and X’ in the following nuclear reactions

Identify the unknown particles X and X’ in the following nuclear reactions: (a) X + 24He ( 1224Mg + 01n (b) 23592U + 01n ( 3890Sr + X + 201n (c) 211H ( 12H + X + X’

Q: One method of producing neutrons for experimental use is to bombard 37Li

One method of producing neutrons for experimental use is to bombard 37Li with protons. The neutrons are emitted according to the reaction (a) Calculate the mass in atomic mass units of the particles...

Q: (a) Suppose 105B is struck by an alpha particle,

(a) Suppose 105B is struck by an alpha particle, releasing a proton and a product nucleus in the reaction. What is the product nucleus? (b) An alpha particle and a product nucleus are produced when 13...

Q: Why do nearly all the naturally occurring isotopes lie above the N

Why do nearly all the naturally occurring isotopes lie above the N = Z line in Figure 29.3?

Q: Consider two reactions: (1) n + 12H (

Consider two reactions: (1) n + 12H ( 13H (2) 11H + 12H ( 23He (a) Compute the Q values for these reactions. Identify whether each reaction is exothermic or endothermic. (b) Which reaction results in...

Q: Natural gold has only one isotope, 19779Au. If gold is

Natural gold has only one isotope, 19779Au. If gold is bombarded with slow neutrons, e- particles are emitted. (a) Write the appropriate reaction equation. (b) Calculate the maximum energy of the emit...

Q: Complete the following nuclear reactions: (a) ? +

Complete the following nuclear reactions: (a) ? + 147N ( 11H + 178O (b) 37Li + 11H ( 24He + ?

Q: (a) Determine the product of the reaction 37Li + 24He

(a) Determine the product of the reaction 37Li + 24He ( ? + n. (b) What is the Q value of the reaction?