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Choose the answer which presents the chemical formulas NF3, NaBF4, and BF3 in order of increasing solubility of the substances with these formulas in hexane (lowest solubility listed first). a) NF3 < NaBF4 < BF3 b) NaBF4 < BF3 < NF3 c) NaBF4 < NF3 < BF3 d) BF3 < NaBF4 < NF3 e) NF3 < BF3 < NaBF4
A mixture consisting of 7.0g CO and 10.0g SO2, two atmospheric pollutants, has a pressure of 0.33 atm when placed in a sealed container. What is the partial pressure of the CO?
A reaction in which A, B, and C react to form products is first order in A, second order in B, and zero order in C. Which of the following most accurately represents the rate law for this reaction
diamond powder (C) and BaCO3, separates the mixtures and recovers 1.75g sugar, 0.86g diamond powder and 2.29g BaCO3(s). Calculate the percent recovery and percent composition if the initial mixture they started with weighted 5.08g
Write out the balanced net ionic equations representing the reactions that occur when iron (III) in water reacts with: A) Hydrochloric Acid.
synthesize benzocaine from benzene. please explain in detail in only three steps how to achieve this reaction. list NMR, MS and IR peaks for each step.
10.00 mL of a solution containing 0.17 M NaCl and 0.23 M AlCl3 is introduced into a fully charged cation exchange column. How many moles of hydronium ions will be released by the column?
Three resonance structures of the following cation are possible. One resonance form is given below, but it is incomplete. Complete the given structure by adding non-bonding electrons and formal charges where necessary
Ethylene glycol is used as automobile antifreeze. 6.38g og this compound contains 2.47g of carbon and 0.620g of hydrogen. The rest is oxygen. The molar mass is 62.0g/mole.
What is the work exchanged between the system(gas) and its surroundings. What is the change in internal energy of the gas. What is the change in enthalpy of the gas
Consider the reversible Carnot cycle shown in the following figure given below with 1.21mol of an ideal gas with CV=5R/2 as the working substance. The initial isothermal expansion occurs at the hot reservoir temperature of Thot = 760K from an init..
If 13.57 g of copper(II) chloride react, what is the maximum amount of precipitate that could be formed?
8 ml of the HCl was used to titrate the pK_a 3.8 group; so 2 ml was enough to titrate the rest of the high pK_a group. The upper pK_a group must have begun the experiment as 80% acid form, 20% base form.
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