WebA) A mole of a diatomic element contains 2 × NA moles of atoms of the element. B) The molar mass of any compound is equal to its molecular weight in grams. C) A mole of any compound contains one mole of each kind of atom found in that compound. D) A mole of metal contains NA atoms of that metal. E) All of these statements are correct. WebThe 273.15 has two decimal digits, but the 21 has zero decimal digits so the answer should have as many decimal digits as the number with the fewest decimal digits; or zero. So …
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Web23 jan. 2015 · Most oxygen molecules contain two atoms, which we breath O2. If we breath pure oxygen (one atom) our lungs would burn. Three molecules of oxygen is the ozone … WebOne mole of CO2 contains one mole of Carbon and 2 moles of Oxygen, it means CO2 contains 6.023 x 1023 atoms of C and 12.04 x 1023 atoms of oxygen. The number of molecules in the CO2 contains 6.023 x 10^23 molecules. The atoms to moles calculator simply finds the number of atoms in 1 mole of CO2. How many atoms are there in 1 … raynor winn and her husband moth became
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Web4 sep. 2024 · To get the number of molecules in 2.5 moles of CO2, you have to multiply the number of moles of CO2 by the Avogadro’ constant (6.022 X 10^23). Therefore, the number of molecules in 2.5 moles of CO2 would be: (6.022 X 10^23 X 2.5)=1.5055 X 10^24 molecules of carbon (IV) oxide. Web1 × 10 -6. pound-mole. 0. About Oxygen. Oxygen weighs 0.001429 gram per cubic centimeter or 1.429 kilogram per cubic meter, i.e. density of oxygen is equal to 1.429 kg/m³; at 0°C (32°F or 273.15K) at standard atmospheric pressure . In Imperial or US customary measurement system, the density is equal to 0.08921 pound per cubic foot [lb/ft³ ... Web16 sep. 2013 · 1 mole of H2 and 1 mole of O2 won't make 1 mole of H2O and 1/2 mole O2. 1 mole of H X 2 and 1 mole of O X 2 will make 1 mole of H X 2 O and 1/2 mole O X 2 will be left. H X 2 + O X 2 H X 2 O + 1 2 O X 2 ( L e f t) And here is an advice for you. If your teacher is saying that this will not happen at all, tell him to be sure that reactant in ... raynor winn book 2