Mercury has a density of 13.6 g cm3, what is the mass of a sample of mercury in a cylindrical shaped vial of radius 5cm and height 12 cm

What does x represent in the formula for the compound xcl4?

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

Hey guys so i need to know what is _nh3+> nh4oh ~chemistry~