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Question- Calculate the pH and the pOH of an aqueous solution that is 0.035 M in HCl(aq) and 0.090 M in HBr(aq) at 25°C.
Draw the lewis structure for aluminum sulfide ionic compound and what chemical formula the lewis theory predicts. I do not know what to do with the 6 and 3 dot structure to combine them.
Determine the number and symmetry of the vibrational modes in the molecule (trans-1,2-dichloroethylene). how many resonances would you expect to see in the IR spectrum
The container has a pinhole the area of which is one square millimeter. How long will it take for the pressure of the helium to equal the pressure of the argon in the container. When the pressure are equal what will the total pressure in the conta..
Calculate the amount of heat liberated (in kJ) from 421 g of mercury when it cools from 91.0°C to 11.0°C.
The osmotic pressure of blood is 7.7atm at 37 C. A 0.15 m solution of NaCl is isotonic with blood at that tempreture. Explain what molality of MgCl2 would be isotanic with blood at the same temperature?
The high-field:low-field integration ration is 2:1. Deduce the structure of the organic hald and explain the NMR signals. I'm thinking it's 1,1-dichloropropane.
a 19.3 g mixture containing sodium sulfide and calcium chloride. 86.9 sodium sulfide and 63.9 by mass chlorine. what is
what is the density of a piece of wood that measures 3.0cm by 6.0cm by 4.0cm has a mass of 80.0g. what is the density of the wood ? would the piece of wood float on water.
Determine the enthalpy change if The heat released when 24.9 grams of Potassium K reacts with excess H2O water is 124 kilo joules?
Problem- If you carried out the saponification of ethyl tridecanoate, would you expect the product to generate foam when mixed with water. Why/why not
If 33mL of 1.20M HCL is added to 42mL of a solution containing excess sodium hydroxide in a coffee cup calorimeter. The solution temperature, initially at 25.0C, rises to 31.8C. Give a thermochemical equation, including
determine the number of moles of barium chlorate that can be prepared from 1.73 mol of chloric acid hclo3 and
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