# calculate the volume of h2 gas produced when in bulgaria

#### AS Questions - Ideal Gas Equation

1.2 Exercise 3 - Ideal Gas Equation Remeer: R = 8.31 JK-1mol-1, 0 K = -273 oC Calculate the volume occupied by one mole of a gas at 25 oC and 100 kPa. Calculate the pressure of a gas given that 0.2 moles of the gas occupy 10 dm3 at 20 oC. Calculate the

#### Welcome to CK-12 Foundation | CK-12 Foundation

The produced gas is then collected and its mass and volume are determined. The molar mass of the unknown gas can be found using the ideal gas law , provided the temperature and pressure of the gas …

#### In the formula H_2O_2 -> H_2O + O_2, how many grams …

4/1/2016· "mass" ("O"_2) = 32 "g" Your equation is not correctly balanced. The correct equation is as follows: 2"H"_2"O"_2 -> 2"H"_2"O" + "O"_2 First, calculate the moles of "H"_2"O"_2 reacting. In order to do this, we must evaluate the relative molecular mass ("M"_r) of hydrogen peroxide: "M"_r ("H"_2"O"_2) = 2xx1 + 2xx16 = 34 "mol" = "m"/"M"_r = 68/34 = 2 "moles" Next, we must compare the moles of

#### 1) If a litre of CO2 is compared to a litre of H2, both at 25°C and …

What volume would the gas occupy at standard temperature and pressure? a) 25 L b) 38 L c) 34 L d) 40 L e) 36 L 18) What is the density of carbon dioxide gas at -15 C and 728 torr? a) 1512 g/L b) 2.08 g/L c) 1.84 g/L d) 1.27 g/L e) 1.99 g/L 19) A 15 4

#### How to find the volume of a gas in a chemical reaction - …

24/7/2020· Once we appreciate that the volume of a gas depends only on the temperature and pressure, and not on the actual nuer of molecules in a given space, gas cal

#### Electrolysis

Determine the mass of iron and the volume of chlorine gas (measured at 25 o C and 1 atm) that is produced during this time. Write the half-reactions that take place at the anode and at the hode. anode (oxidation): 2 Cl- Cl 2 (g) + 2 e-hode (reduction) Fe 3+

#### Answers - Gas Laws

11. Calculate the volume of 0.681 g of N 2 at STP. V = 0.55 L 12. A gas at 772 mmHg and 35 o C occupies a volume of 6.85 L, calculate its volume if the temperature is raised to 50 o C at a constant pressure. V = 7.18 L 13. Drano uses a mixture of sodium

#### 7.3: Appliions of the Ideal Gas Law and Partial …

10/2/2015· Figure \(\PageIndex{2}\): If equal-volume cylinders containing gas A at a pressure of 300 kPa, gas B at a pressure of 600 kPa, and gas C at a pressure of 450 kPa are all coined in the same-size cylinder, the total pressure of the mixture is 1350 kPa.

#### (Solved) - Experiment 1 Mass of Zinc: 0.25g Vol of 6M HCI …

How many moles of H2 were produced in the first part of the experiment? Notice from the reaction given in the procedures that for every mole of zinc, there is one mole of H2 produced. 3. You have recorded the volume of hydrogen gas produced in the reaction

#### Ideal+gases+Zinc[1] - Erlenmeyer flask contains 0.25g Zn …

Erlenmeyer flask contains 0.25g Zn then add 10 mL 6M of HCl then when it cools back down to 21 degrees Celsius connect it to a Gas piston I got these for the pressure O2 moles 0.000524 vol 102.14 N2 0.002096 moles vol 102.14 and nothing for H2 1. Record

#### (Solved) - Experiment 1: Mass of Zinc: 0.25g 6 M HCl …

1 Answer to Experiment 1: Mass of Zinc: 0.25g 6 M HCl solutions: 10mL Volume of hydrogen gas produced is 92.3mL Temperature: 21.5C Pressure: 1.00atm Reaction: Bubbles Temperature after reaction: 27.4C down to 21.5C Pressure after reaction: 1.68atm, after 1.66atm 1. How many moles of zinc reacted with the 6M HCl

#### what is the volume of hydrogen at S.T.P? | Yahoo Answers

17/8/2008· just remeer that any 1 molar gas at STP is 22.4 l and all conversions come from here. if u wanna know generally, then it depends on place to place, latittude to latt. etc. in air, H2 is approx. 7%, though exact vol. is never calculated because its lighter than air and

#### Chapter 5 Gases

220 K. Calculate the new pressure of the gas. A. 1.0 atm B. 1.35 atm C. 8.8 atm D. 0.738 atm E. 0.114 atm 12. 0.820 mole of hydrogen gas has a volume of 2.00 L at a certain temperature and pressure. What is the volume of 0.125 mol of this gas at the A. 0

#### what is the volume of H2 at 0° C and 1.00atm pressure ( …

You have to find the nuer of moles of hydrogen gas produced when zinc and hydrochloric acid reacted. To do this you need to use the equation PV=nRT and solve for n.(n=PV/RT) I would use 0.08206 atmL/molK For the gas constant so you need to convert 22°C …

#### What will be the volume of CO2 gas at STP produced …

There are a couple of parts to this problem. First, how much CO2 will be produced so that then this nuer can be used in the ideal gas law (PV=nRT) to determine the volume under STP. So, how much Na2CO3 is there because this would be the maximum

#### The Reaction of Magnesium with Hydrochloric Acid Lab

The volume of the hydrogen gas produced will be measured at room temperature and pressure. The data you obtain will enable you to answer the question: How many liters of dry hydrogen gas at room temperature and pressure can be produced per mole .

#### I had to complete a lab for molar volume of a gas. | Yeah …

volume of H2 gas at stp 22,400 mL volume of H2 from 1 mole mg at stp 23, 627 mL I think you answer for moles Mg = 0.0308 is really the mass of Mg as 100cm has a mass of 1.7118g, so 1.8cm will have a mass of (1.7118/100) x 1.8 = 0.0308g.

#### Consider 2Al + 6HCl -->2AlCl3 + 3H2, the reaction of Al …

18/3/2009· pressure of H2 if the hydrogen gas collected occupies 14.0 L at 300.K and was produced upon reaction of 4.50 moles of Al and excess HCl in a process that has a 75.4 percent yield? 1. 11.9 atm 2. 15.8 atm 3. 8.95 atm 4. 1.07 atm 5. 0.0763 atm 6. 0.233 atm

#### Enthalpy Of Formation Of H2

All elements in their standard states (oxygen gas, solid carbon in the form of graphite, etc. 5g) of propane is burned, the heat produced is used to raise the temperature of (100cm 3) of water from (20 C to 40 C), calculate the enthalpy change for the reaction. 75 J

#### Molar Volume of a Gas - AP Chem Lab Reports

Once we had collected all of our data, we were able to find the molar volume of the H2 produced in our reactions. We first used stoichiometry to calculate how many moles of magnesium ribbon were used. In reaction 1, we used 8.2304 * 10^-4 mols. The work is

#### Chemistry Lab Experiment Determination of the Molar Volume of a Gas

) volume of H 2 gas you actually collected and corrected to STP conditions to get the final (V 2) hydrogen gas volume you calculated per calculated mole of hydrogen gas produced in your chemical reaction. Your lab values for the H2 gas P1, V1, and T1;

#### Experiment 12: MOLAR VOLUME OF AN IDEAL GAS

146 EXPERIMENT 12: MOLAR VOLUME OF A GAS Prelab Exercise: Your instructor will specify whether you are to submit the answers to these questions or take pre-lab quiz with similar questions. 1. How many moles of gas are produced if 0.037 g of

#### Percent Yield of Hydrogen Gas From Magnesium and HCl

2. Calculate the pressure of dry hydrogen gas produced in this experiment for each trial using equation 2. For full credit, show all calculations set-up. Report your value with correct significant figures and units. 3. Calculate the experimental volume of hydrogen

#### Limiting Reagent - Chemistry | Socratic

Limiting reagent is the reactant which limits the progress of a chemical reaction. If two atoms must coine at a 1 to 1 ratio, but there is an unequal amount of 1 atom, then the reaction will stop when the atom with less quantity runs out.

#### Can you help me with my chemistry homework? | Yahoo …

8/2/2012· Consider the equation: Mg + H2SO4 = MgSO4 + H2 a) Calculate the mass of hydrogen produced when 2.4g of magnesium reacts completely with the acid b) Calculate the volume of hydrogen produced at RTP in part a) c) Calculate the mass of magnesium required to produce 4g of hydrogen. d) Calculate the volume of 4g of hydrogen e) Calculate the mass of magnesium required …