Find the solubility of pbcl2 in otherwise pure water

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

Which of the following represents the ester functional group? a. -coo- b. -cho c. -cooh d. c=o

In an exothermic reaction, energy may be released to the surroundings in the form of question 4 options: heat light thermal all of the above