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A) Which way will equilibrium shift if add sodium acetate to 0.1 M acetic acid? Why...
Hydroxylapatite, Ca10(PO4)6(OH)2, has a solubility constant of Ksp = 2.34 × 10-59, and dissociates according to...
which of the following is least likely to disolve in benzene I2 pentane CaCl2 cyclohexane
A 9.00L tank at 20.2°C is filled with 2.01g of dinitrogen difluoride gas and 13.6g of...
1. Why is the nitrate anion used as nucleophile in one procedure and iodide in the...
A sample of a saturated hydrocarbon is placed in a 1.0L vessel at 107oC. The pressure...
For Zn+Ag2O = ZnO+Ag Write out Nerst equation for both half cells (find E)Predict how the...
Given: I2 + 3 F2 ® 2 IF3 How many moles of I2 are needed to...
Carbon disulfide and carbon monoxide are produced when carbon is heated with sulfur dioxide. 5C(s)+2SO2(g)→CS2(l)+4CO(g). a....
What is the pH of a 0.5 m solution of sodium propionate, NaC3H5O2 at 25 degrees...
As part of a class project you are given 0.900 g of nichrome and asked to...
True or False 1) Nucleophilic substitution reactions occur at alkyl, alkenyl (vinylic), and aromatic carbons bonded...
determine the number of moles of molecule in 2.11mg of carbon tetrachloride
Liquid octane (CH3(CH2)6(CH3) will react with gaseous oxygen(O2) to produce gaseous carbon dioxide (CO2) and gaseous...
What is the bond order of N2?
How to prepare 500.00mL of 0.1M NaOH from 50% (w/w) NaOH?
Consider two Styrofoam coffee cups. If cup #1 contains 80.0 mL of water at 96.0 oC...
c. Why do you use HCl in the extraction of caffeine? d. Look at the structure...
Calculate the [H3O+] of a 1.99 M HBrO solution at 25 ºC.
Methyl Acetate reacts in alkaline solution to produce acetate and methanol according to the reaction below:...
Calculate the mole fractions in a solution that is made of 12.5 g of ethanol (C2H5OH)...
For 230.0 mL of a buffer solution that is 0.320 M in CH3CH2NH2 and 0.290 M...
a 25.0g piece of aluminum (molar heat capacity of 24.03 J/g degrees Celsius) is heated to...
You are working for the Crime Lab and you habe been tasked with determining how much...
The heat of formation of Fe2O3(s) is -826.0 kJ/mol. Calculate the heat of the reaction when...
The steam reforming reaction can be described by the following two reactions: CH4 +H2O ↔ CO+3H2...
If a silver wire is placed in a beaker containing 1 M Cu(NO3)2, what will happen...
Calculate the concentration of all species in a 0.145 M solution of H2CO3. The answers are...
10^-2/10^-6=?
A) What is the degree of ionization of ethylamine, C2H5NH2, in an 0.90 M aqueous solution?...
The molar solubility of AgBr in pure water is 7.3x10^-7 M. Calculate the Ksp.
Which of the following complex ions would you expect to have the largest overall Kf? [Co(NH3)6]3+,...
What are the two most important compounds formed by the Pentose Phosphate Pathway?
Ka for hypochlorous acid HCLO is 3.0x10-8. Calculate the pH after 10.0, 20.0, 30.0, and 40.0...
The mode of replication of DNA is BEST described as ________.
1. You need to make an aqueous solution of 0.241 M zinc bromide for an experiment...
Complete and balance the following reactions(A represents an unknown anion) HA+NaOH--------> H2A+NaOH--------> H3A+NaOH--------> all phases are...
How many grams of dry NH4Cl need to be added to 2.10 L of a 0.700...
Part A For the reaction 2A(g)+2B(g)⇌C(g) Kc = 62.6 at a temperature of 187 ∘C ....
If a reaction has an order of two, write two rate laws that could describe the...
1. Provide unique and specific examples where non-covalent interactions are essential for protein structure and/or function.
PLEASE SHOW COMPLETE AND CLEAR SOLUTION thanks. A 51.6-mL dilute solution of acid at 23.85°C is...
The state of hybridization of the triple bonded carbons in benzyne is…………….
How many liters of oxygen at 0 ∘C and 760 mmHg (STP) are required to completely...
What mass (in g) of oxygen must be added to 8.89 g of neon at 23.6oC,...
** synthesis of p-nitroaniline Based on the melting point of the recrystallized product, can you verify...
Seawater contains 0.0056M Mg2+ and 0.010M Ca2+ 1- At what concentration of OH- would each of...
Why is TLC limited to nonvolatile samples?
At AJAX Chemical, INC. a critical reaction requires the solubility of PbCl2 to be minimal in...
How do you determine which reactant in a reaction remains in excess and how do you...
Buffer capacity is a measure of a buffer solution's resistance to changes in pH as strong...
What molarity of a CH3COONa solution has a pH = 9.65? (Ka of CH3COOH = 1.8...
The complex ion Cu(NH3)42 is formed in a solution made of 0.0300 M Cu(NO3)2 and 0.500...
Chalcopyrite (CuReS2) is the principle one of copper and the iron contained is an important byproduct....
If pH stands for "percent of Hydrogen," why is there 'more' Hydrogen ions contained in a...
1. Calculate the molarity of hydroxide ion in an aqueous solution that has a pOH of...
A solution contains 0.0170 M Pb^2+ (aq) and 0.0170 M Sr^2+ (aq). If we add SO4^2-...
The gas-phase decomposition of HI HI (g) → ½ H2 (g) + ½ I2 (g) has...
1. Would the homo-lumo energy gap for E-stilbene be greater than, less than, or equal to...
It is often stated in many introductory chemistry texts that near room temperature, a reaction rate...
The mass of the coloured compound in the same solution as in question 1 above that...
A 50.0mL sample of 0.0800M KSCN is titrated with 0.0400M Cu+ . The solubility product of...
A voltaic cell consists of an Ni/Ni2+ half-cell and a Co/Co2+ half-cell. Calculate Ecell when [Ni2+]...
What is the pH of a solution prepared by mixing 25.00 mL of 0.10 M CH3CO2H...
In a titration of a 100.0mL 1.00M HA weak acid solution with 1.00M NaOH, what is...
Determine which statements apply to hemoglobin, myoglobin, or neither. Note: If you answer any part of...
Place the 3 in A and the 3 in B in order of increasing nucleophility A....
Determine the pH change when 0.050 mol HNO3 is added to 1.00 L of a buffer...
Question 1 ) From historical data, Harry’s Car Wash estimates that dirty cars arrive at the...
Suppose NaOH is added too quickly, so that the NaOH volume appears higher at the stoichiometric...
Use the information in the table below to determine DGofor the reaction 2NH3(g) + 2O2(g) -->...
Match the following statements to the appropriate term: vapor, vapor pressure, volatile, boiling, boiling point. (3)...
solarcaine aerosol spray is used for temporarily relieving pain as it works as a topical anesthetic...
How to calculate the Number Average Molecular Weight for Polycarbonate
What is the pH of a solution that results form mixing together equal volumes of a...
The potassium thiocyanate is a clear colorless solution. Iron (III) nitrate is a very light yellow...
Decide which of the following statements are true and which are false. True False Real gas molecules...
How would you distinguish between the following pairs by use of infrared Spectroscopy only? Tell what...
Assume that the normal blood buffer contains 0.00080 M carbonic acid and 0.0085 M hydrogen carbonate;...
The decomposition of HI (g) into its elements in the gas phase at 800 K is...
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