The molar mass of a substance is the mass of one mole of that substance. What is the unit of molar mass? A. g/mol B. mol/g C. L/mol D. mol/L 相关知识点: 试题来源: 解析 A。本题考查摩尔质量的单位。摩尔质量是指单位物质的量的物质所具有的质量,单位是克每摩尔(g/mol)。选项 B ...
What is the mass of one mole of carbon dioxide?Question:What is the mass of one mole of carbon dioxide?Molar Mass:The molar mass of a molecule is the sum of the atomic weights of each constituent element. Additionally, one mole of a substance contains an Avogadro's Number of molecules....
37. What happens when one mole of ethane is mixed in the dark at room temperature with six moles of chlorine gas?A A. There is no reaction. B. Only$$ C _ { 2 } C _ { 4 } $$is are formed. C. $$ C _ { 2 } C l _ { 5 } $$ and HCl are formed. D.$$ C H _ ...
What is the kinetic energy of one mole of SO2(g) at 298 K?Question:What is the kinetic energy of one mole of SO2(g) at 298 K? Definition of Kinetic Energy:The average kinetic energy of a substance is proportional to the product of the number of moles of the substance and ...
What is the enthalpy change if 25.0 g of methane is burned? 890 kJ of heat is released for every mole of methane that reacts. CH4 + 2O2 = CO2 + 2H2O Calculate the enthalpy change for the combustion of one mole o acetylene, C_2 H_2, to form carbon dioxi...
Mole (Chemistry) (TerminologyTerms and phrases (EvaluationJeannin, YvesMills, Ian MInternationalunionofpureandappliedchemistryJeannin Y 2010 A fixed Avogadro constant or a fixed carbon-12 molar mass: which one to choose? Chem. Int. 32 (January-February) 8-10...
If one mole of nitrogen molecules weighs28g, calculate the mass of one molecule of nitrogen in grams. View Solution Doubtnut is No.1 Study App and Learning App with Instant Video Solutions for NCERT Class 6, Class 7, Class 8, Class 9, Class 10, Class 11 and Class 12, IIT JEE prep,...
Chlorine gas is a diatomic gas. This means that it can only exist as two chlorine atoms covalently bonded to one another. One mole of chlorine... Learn more about this topic: Avogadro's Law & Molar Volume | Overview, Formula & Units ...
Number of moles of H2=3 moles Conclusion:Thus, the number of moles of H2(g) required to saturate one mole of benzene is 3 moles. --- Show More | ShareSave Class 12CHEMISTRYBASIC CONCEPTS OF CHEMISTRY, ATOMIC STRUCTURE Topper's Solved these Questions ACIDS , BASES AND SALTS OXIDATION AND...
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