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A student tried to detect the presence of calcium ion in milk by adding Na2SO4 solution to a sample of milk. What is the likely results of her experiment? What would she observe. Would she be able to detect Calcium ion?
A 25.0 mL sample of an HCl solution is titrated with a 0.139 M NaOH solution. The equivalence point is reached when 15.4 mL of base is added. What was the concentration of the HCl in solution in M?
When heated, ammonium carbonate decomposes as follows. NH4CO2NH2(s) -> 2NH3(g)+CO2(g) At a certain temp, the equilibrium pressure of the system is 0.318 atm. Calculate Kp for the reaction.
what compound was condensed in an adol reaction to produce (2E)-5-methyl-2-(1-methylbutyl)oct-2-enal
Draw the skeletal structure of the major organic product formed inthe reaction below when the second step is heated to reflux.
If 158 of wet hydrogen is collected over water at 24 and a barometric pressure of 736 , how many grams of hydrogen have been consumed.
Consider the reaction 2ZnS + 3O2 → 2ZnO + 2SO2. Suppose that you wanted enough O2 to completely react with 500. g of ZnS. What mass of O2 should be present?
A reaction in water causes the water in beaker to cool from 25 degrees Celsius to 21 degrees Celsius. The volume of water 150ml (d=1.0g/ml). What is the heat absorbed by the reaction?
Explain whether the molecular structure of aspirin is likely to result in it being addictive? I'm comparing the structure to methylamphetamine
A liquid substance has a vapor pressure of 450.0 mmHg at 262.0 degrees celsius and 760.0 mmHg at 325.0 celsius. a) what is the heat of vaporization of this substance? b) what is its normal boiling point?
Write a balanced equation for each of the two steps of the reaction, namely: (1) the reaction between benzyltriphenylphosphonium chloride and sodium hydroxide
what is the partial pressure of hydrogen gas in a mixture of hydrogen and helium if the total pressure is 588 mm hg and
0.40 moles of a diprotic acid h2a is dissolved in 250 ml of water. the ka1 of this acid is 1.0 x 10e-5 and ka2 is 1.0 x
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