Purpose:To determine experimentally the volume of 1 mole of hydrogen gas at STP. Materials and Equipment: gas-measuring tubelarge deep container for equalizing gas pressure in tube one-hole stopper10-mL graduated cylinder ring standmetric ruler ...
Determine the volume of 1 mole of hydrogen gas at STP using experimental data, known mathematical relationships, and a balanced chemical equation.Pre-Lab:Avogadro’s Hypotheses states that under the same conditions of temperature and pressure equal volumes of all gases contain the same number of ...
Calculate the moles of each piece of magnesium ribbon that you used. 2. Calculate the molar amount of hydrogen gas that was produced in your reactions. 3. Calculate the volume of 1 mole hydrogen gas (molar volume) at STP. 相关文档 气体摩尔体积 气体摩尔体积.ppt 气体摩尔体积课件 气体摩尔...
STP=22.4L/molMolarConcentration=Molarityc=n/v-orMolarity=mole/volume(inL) KEEPTRACKOFSIGFIGSDURINGYOURCALCULATIONS!1.WritetheEquation Putreactantsontheleftsideofequation&productsontherightside.ReactantsProducts 2.BalanceEquation Makesurethateachelementhasthesamenumberofatomsonbothsides!3...
What is the molar mass of trinitrotoluene(TNT), C7H5(NO2)3? What is the molar mass of NH4ClO4? What is the molar mass of hydrochloric acid? What is the molar mass of (NH4)2CO3? What is the density of hydrogen gas at STP? What is the molar volume of a gas? What is the mola...
mol Mg, hence 0.0033 mol H2. Once again, using the same state of gas law, we can determine the volume of hydrogen at STP (V2 = 0.090L (738 torr / 760 torr) * (273K / 296K)) to be 0.081L. Dividing 0.081L by 0.0033mol, we find the molar volume of hydrogen to be 24.5L/mol...
Nitric acid, a chemical compound consisting of one hydrogen, one nitrogen, and three oxygen atoms, is best known for its use in powerful explosives and fertilizers. Answer and Explanation: The molar mass of nitric acid is 63.01 g/mol. ...
Since the compound contains carbon (C), hydrogen (H), iodine (I), and sulfur (S), we need to obtain the individual molar mass from the periodic...Become a member and unlock all Study Answers Try it risk-free for 30 days Try ...
( ) ( )( ) If PV nRT R PV nT at STP when n V L T K P atm R atm L mol K L atm mol K = • = • = = = = • = = ⋅ ⋅ , , . , , . . 1 22 4 273 1 1 22 4 1 273 00821 Sample Problem What is the volume of 6.06 g of hydrogen at 27EC and 1.50...
Here, the Ea value is higher than ∆H◦, indicating a cathodic hydrogen evolution reaction leading to a decrease in total reaction volume. The average value of Ea–∆H◦ is 2.58 kJ mol−1, which is very close to the value of RT; this obeys the relation Ea–∆H◦ = RT. ...