If the atoms come from different elements, the molecule will be called a compound. Molecules can have as few as two atoms or hundreds of atoms.Answer and Explanation: There is no way to know how many molecules are in a tablet weighing 500 mg without knowing the molecules in the table. E...
How many atoms are there in 65.8 g of H2O? How many water molecules can hydrogen bond to methanol? How many molecules are in 5.0 \text{moles} of water? How many different elements are in a water molecule? How many hydrogen atoms can bind to one carbon atom? A hydrogen atom has one ...
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SIGNS of a CHEMICAL REACTION (aka a CHEMICAL CHANGE) a GAS is created as a product a TEMPERATURE change temp heat EXITS reaction—EXOTHERMIC temp heat ENTERS reaction-ENDOthermic a DRAMATIC COLOR change a PRECIPITATE forms A color change is an OBVIOUS sign of chemical reaction & change. Color ...
Hello! photosynthesis = carbon dioxide (CO2)+ water (H2O)+ energy (solar) = sugar(C6H12O6)+ oxygen (O) cell respiration = sugar +oxygen = carbon dioxide + water + energy Respiration is the reverse of photosynthesis. This is because if the plant is lacking in one ...