The temperature inside a closed car on a sunny day is 305 K. After 50 minutes, the temperature rises to 328 K. To the nearest °C, what is the new
temperature in Celsius? (number only ... no units) *

You may expect bonds between two atoms which each have n covalent lonic metallic hydrogen

There are 6.022, 104 atoms of hg in 1 mole of hg the number of atoms in 45 moles of hg can be found by multiplying 4.5 by 6.022, 102 which is the number of atoms in 4.5 moles of hg, correctly written in scientific notation with the correct number of significant figures? 0 21,109 0 21,100 271, 1024 27.099, 100 mark this and retum save and exit submit

How do you identify the anode on a power source such as a battery? how do you identify the cathode? how are terms anion and cation?