8.98dm3 of hydrogen gas is collected at 38.8 C. Find the volume the gas will occupy at -39.9 C if the pressure remains constant.

Harvey mixes two liquids. which observation of the new mixture most likely indicates a precipitate is forming?

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 statement best explains the relationship between an area is geography and the temperature of its surface water