225.0 mL of air is at 23.0°C. What is the volume at 90.0 °C?

Which part of earth’s surface receives the most direct rays from the sun? a) equator b) ocean c) poles d) mountains

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