Mg(NO3)2 --> MgO + NO2 + O2
Please answer in algebraic way and show work

The alkali metals (group 1) consist of lithium (3), sodium (11), potassium (19), rubidium (37), cesium (55), and francium (87). they are soft, metallic solids with low densities and low melting points. based on the data shown in figure 1, how many valence electrons do alkali metals share?

What mass of natural gas (ch4) must you burn to emit 276 kj of heat?

What is the effect of returning nuclear reactor cooling water back into bodies of water?