The law of conservation of mass states; Nothing can be created or destroyed. Atoms are just rearranged. According to this, How many grams of CO2 would be produced in the reaction
below?
27 g +
54 g
g +
38g
+
22g
C, H,O2 + NaHCO,
CO2 + NaC, H,O2
+ H2O

Iknow #2 is d. i just need to know why

Joan writes four numbers on the board in standard form, and then she writes their scientific notation

Which process does not require the presence of a physical substance in order to transfer heat? air in the atmosphere is heated by the ground. this warm air then rises, and cooler air falls. this is an example of what type of process? how is conduction different from radiation?