As a 15.1-gram sample of a metal absorbs 48.75 j of heat, its temperature increases 25.0 k. what is the specific heat capacity of the metal? (1) 0.129 j/g•k (2) 1.95 j/g•k (3) 3.23 j/g•k (4) 7.74 j/g•k

Select the correct answer from each drop-down menu. describe what happens to a carbon-11 atom when it undergoes positron emission. the decay of a carbon-11 atom _1_, and this causes it to emit _2_.options for 1: > changes a neutron into a proton> changes a proton into a neutron> is hit with a neutron> reconfigures its protons and neutronsoptions for 2: > a negatively charged electron-sized particle> a positively charged election-sized particle> two atoms and several neutrons> two neutrons and two protons

Elements in group 2 are all called alkaline earth metals. what is most similar about the alkaline earth metals?

An atom with 7 protons, 6 neutrons, and 7 electrons has an atomic mass of amu. (enter a whole number.) numerical answers expected! answer for blank 1: