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Question
Calcium chloride contains calcium and chloride ions. Write the ground-state electron configuration for the calcium ion.
You may write either the full or condensed electron configuration.
the thermite reaction is a very exothermic reaction it has been used to produce liquid iron for welding. a mixture of 2
Problem- A 25ml sample of .15M hydrazoic acid is titrated with .15M of NaOH solution. What is the pH at the equivalence point. Ka of hydrazoic acid is 4.5*10-4.
Find the formula of a compound using stoichiometry and ideal gas equation and Deduce from these data the corresponding equation and write formulas for the oxide and sulfate of M .
If a Nicotinic acid, HC6H4NO2 is a weak monoprotic acid. A 5.7x10-2 M nicotinic acid is 1.6% ionized. Explain what is the Ka for this acid
predict the hydration product of limonene if two molecules of water are added to a limonene molecule. 2. draw the expanded structure of D-limonene and circle the two isoprene units in limonene.
Calculate the pH of a solution made by adding 51 g of sodium acetate, NaCH3COO, to 18 g of acetic acid, CH3COOH, and dissolving in water to make 700. mL of solution. Hint given in feedback.
a 58.7g piece of iron at 67 degrees celcius is placed in a vessel containing 60.0g of water at 22 degrees celsius. the
If 1.50g (NH4)2SO4 is dissolved in enough water to form 250 ml of solution, what is the molarity of the solution.
"Patient and Family Recourses." Please describe the information you would give a patient and his/her family about the decision.
a) Calculate the potential of the two cells. b) Write the overall balanced redox equations for the reactions above. c) Calculate ?G for the conditions given for reactions above.
Depict a simple schematic diagram of linear polyethylene and cross linked polyethylene. chemical structure of ethylene is CH2 = CH2.
consider the equilibrium na2os so2g lt-----gtactually 2 arrows facing opposite direction na2so3s. a write the
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