Assume that one grain of sand has an average size of 1 millimeter across. based on the chemical composition of sand, can you guess how many atoms are in just one grain of sand? twenty million? twenty billion? keep going. twenty trillion? twenty quadrillion? you're not there yet! twenty quintillion—or the number 2 followed by nineteen zeros—is an approximation of the number of atoms in one grain of sand. but how much is that?
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Chemistry, 22.06.2019 10:30
Astudent reacts 13 moles of iron with 21 moles of oxygen according to the following equation:
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Chemistry, 22.06.2019 22:30
Write and balance the chemical equation that represents the reaction of aqueous sulfuric acid with aqueous sodium hydroxide to form water and sodium sulfate. include phases.
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Exit what is the density of an object having a mass of 5.0 g and a volume of 45.0 cm3?
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Asubstance that will change shape to fit its container but has a definite volume is in a phase of matter
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Assume that one grain of sand has an average size of 1 millimeter across. based on the chemical comp...
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