Calculate the mass defect in Ni-59 if the mass of a Ni-59 nucleus is 58.69344 amu. The mass of a proton is 1.00728 amu and the mass of a neutron is 1.008665 amu.

What is the density of the black hole

Using a value of ksp = 1.8 x 10-2 for the reaction pbcl2 pb+2(aq) + 2cl -(aq). if the value of ksp was determined to be only 1.2 x 10-2: too much solid has dissolved. additional precipitate is forming. the solution is unsaturated. the ions are now combining to reduce their concentrations.

What mass of natural gas (ch4) must you burn to emit 276 kj of heat?