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How many mols of F will we find in a sample of HF (hydrogen fluoride) gas...
How many mols of I will we find in a sample of HI (hydrogen iodide) gas that occupies a hollow sphere with radius = 11 cm? Some values you may find helpful: 12 = 253.81 g/mol H = 1.01 g/mol d = 2.9 g/L V = (4/3)pi(r) give your numerical answer to two decimal places
how many moles of F will we find in a sample of HF gas that occupies a hollow sphere with radius =18cm?
A 1.06 mol sample of hydrogen gas occupies 22.3 L. How many mol of hydrogen are needed to fill a 113.4 L container at the same pressure and temperature?
how many moles of Cl2 will we find in a sample of chlorine gas that occupies a hallow sphere with radius =10cm?
13. Hydrogen Fluoride (HF) is a covalentens It is: ANonpolar B. Polar 14. Would you expect water to dissolve Hydrogen Fluoride? A. Yes B. No 15. What is the best equation for the dissociation (ionization) using HF instead of HCl, understanding that HF is a WEAK electrolyte (and acid). A. HF(g) + H2O(l) HF (aq) B. HF(g) + H2O(1) - H +F C. HF(g) + H2O(l) HUF 16. You dissolve 1 mole of HF(g) in water and bring the volume...
question 2 and 3 could be answer is a complete question Part 2. (3pt) If we pump HF gas into the buffer solution in Part 1 (without changing the solution volume), which of the following statement should be true? Statement (I): The concentration of fluoride ion F will decrease. Statement (Il): The pH of the buffer will decrease. Statement (IIl): The concentration of H30* will decrease. a) (0) b) (l) c) (IlI) d)(0) and () e) (0) and (II) f...
5) How many moles of hydrogen gas are needed to react with oxygen to form one mole of 5) water? 2H2(8) + O268) - 2H20(1) A) 4 mol B) 1 mol C) 2 mol D) 0.5 mol E) 6 mol 6) Incomplete combustion occurs when there is insufficient oxygen to react with a compound. The suffocating gas carbon monoxide is a product of incomplete combustion. How many moles of oxygen gas are required for the complete combustion of 11.0 moles...
B3 (a) Assume that the T = 0 version of the Fermi-Dirac distribution, namely 1 f (E) exp [E E)/(kBT) +1 in the usual notation, with Ep the Fermi energy, applies for T> 0. Sketch, on the same axes, the distribution for T = 0 and for T> 0, marking the Fermi energy and indicating the thermal energy kBT 5 Marks (b) In the Sommerfeld model (free electron quantum gas), each electron occupies (n/L)3 of k-space volume. Remembering that we...
TSD.1 In this problem, we will see (in outline) how we can calculate the multiplicity of a monatomic ideal gas This derivation involves concepts presented in chapter 17 Note that the task is to count the number of microstates that are compatible with a given gas macrostate, which we describe by specifying the gas's total energy u (within a tiny range of width dlu), the gas's volume V and the num- ber of molecules N in the gas. We will...
please answer as many questions with detail. 1. Evaluate how much "weight" (mass, strictly speaking) an average human loses daily due to gas exchange while breathing. Find all necessary data, indicate your sources, and present a detailed calculation. 2. 10.00 g of a Mg-Al alloy completely dissolved in hydrochloric acid. The volume of hydrogen gas given off in the chemical reaction is 12.29 L Find the mass composition (in mass %) of the alloy. Assume that the volume of 1...