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Question- Determine whether the aqueous solution is equal to, less than, or greater than 7. Write and explain chemical equilibrium equation. a) Nh4Br b) NaClo2 c) Mg(NO3)2 d) KF e) AlCl3
I just need a general explanation of it please- Thanks!
Question- Describe what you would expect to happen to the C-C and O-O bonds if you removed an electron from each to make C-C+1 and O-O +1. Would the bonds get longer, shorter or stay the same and why
sample of an alloy at 93.0 degrees Celsius is placed into 50.0 g of water at 22.0 degrees Celsius in an insulated coffee-cup calorimeter with a heat capacity of 9.2 J/K. If the final temperature of the system is 31.1 degrees Celsius, what is the s..
Calculate the energy of a photon of electromagnetic radiation at each of the following frequencies with 4sigfig
Compute the theoretical yield of aspirin to be obtained when 1.5 g of salicylic acid as well as 4.0 ml of acetic anhydride (density= 1.08 g/ml) are mixed together. Molar masses- acetic anhydride= 102.1 g/mol; salicylic acid = 138.1 g/mol.
If large quantities of chloroform an anesthetic, carbon tetrachloride (commonly utilized in the past for dry cleaning, and tetrachloroethene previously used as a degreasing agent were spilled in the environment
Discussion for pH determination of acid,base and buffer solution
An aqueous antifreeze solution is 55.5% ethylene glycol by mass. the density of the solution is 1.071 g/cm3. calculate the molality. calculate the molarity. calculate the mole fraction.
Assume 1.00 mL = 1.00 g What numerical value will be used for the moles on the right hand side of the equation above?
A 100 mL sample of an aqueous solution at 25 C contains 20.4 mg of an unknown nonelectrolyte compound. If the solution has an osmotic pressure of 5.88 torr, what is the molar mass of the unknown compound
Problem- What is the resulting pOH if 500 mL of the buffer solution (original buffer solution is 4.3M C6H5COOH & 3.3M C6H4COOK) is mixed with 75 mL of 3.0M HCL
The molar heat capacity of ethane is represented in the temperature range 298 k to 400 k by the empirical expression C(p,m)/(J K-1 Mol-1) = 14.73 + 0.1272 (T/K). Calculate the standard enthalpy of formation of ethane at 350 K from its value at 298..
how many mL of 1.00M NaOH should be added to .700 liter of 1.00M NaH2PO4? pKa = 6.82
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