Given that a certain amount of helium gas occupies 30.5 L at 2.0 0 atm pressure at temperature 30 0 K . The weight of the helium gas in the container should be calculated. Concept Introduction: The number of moles of the gas can be calculated using ideal gas law . Mathematically, Ideal gas law states that: P V = n R T . Where, P = Pressure of the gas in atmospheres ( atm ). V = Volume of the gas in liters ( L ). n = Amount of the gas in moles ( mol ). R = Ideal gas constant. T = Temperature of the gas in kelvins ( K ).

Question

" is The structure of the bicarbonate (hydrogen carbonate) ion, HCO3-, HCO3 best described as a hybrid of several contributing resonance forms, two of which are shown here. HO :0: :Ö: HO + Bicarbonate is crucial for the control of body pH (for example, blood pH: 7.4). A more self-indulgent use is in baking soda, where it serves as a source of CO2 CO₂ 2 gas, which gives bread and pastry their fluffy constituency. (i) Draw at least one additional resonance form. = (ii) Using curved "electron-pushing" arrows, show how these Lewis structures may be interconverted by movement of electron pairs. (iii) Determine which form or forms will be the major contributor(s) to the real structure of bicarbonate, explaining your answer on the basis of the criteria in Section 1-5.

Answer 1

Question

Chapter 5.4, Problem 5.6QC

Interpretation Introduction

Interpretation:

Given that a certain amount of helium gas occupies 30.5 L at 2.00 atm pressure at temperature 300 K. The weight of the helium gas in the container should be calculated.

Concept Introduction:

The number of moles of the gas can be calculated using ideal gas law.

Mathematically, Ideal gas law states that:

PV=nRT.

Where,

P= Pressure of the gas in atmospheres (atm).

V= Volume of the gas in liters (L).

n= Amount of the gas in moles (mol).

R= Ideal gas constant.

T= Temperature of the gas in kelvins (K).

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