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Predict the products and write a balance equation for each of the following: a) Decomposition: NaCl(s)--->____+____ (above the arrow it says "electricity"); b) Combination:Ca(s)+Br2(g)-->_____; c) Combination:SO2(g)+O2(g)-->______; d) Double replacement:NiCl2(aq)+NaOH(aq)-->
the critical temperature of the mixture is known to be 200 F. Compare your answer with the critical pressures of pure methane and pure n-hexane.
As a demonstration, an instructor had a block of ice suspended between two chairs. She then hung a wire over the block of ice, with weights attached to the ends of the wire.
The excess is titrated with standard 0.101 M KSCN solution, requiring 2.38 mL to reach the red Fe(SCN)2+ endpoint. Calculate the concentration of chloride in the brine in g/L
What advantages exist when using the balloons to model molecular shapes? what advantages exist when using the model kit to model molecular shapes
which of the following solutes is likely to be most soluble in water
A sample of oxygen gas has a volume of 131 L at 25°C and a pressure of 0.982 atm. Calculate the volume of this oxygen sample at STP.
For my prelab questions I was asked "During the work up, the product layer is washed one with water, once with 5% sodium bicarbonate solution, and once again with water. What is the purpose of these washings".
chromium metal reacts with 3.807 g of iodine. Using the conservation of mass law, predict the mass of product.
How many milliliters of 0.5 mg/mL BSA will you use in each tube to get the range of 0-50 micrograms that you want?
How much energy (in kilojoules) is required to convert 205 mL of diethyl ether at its boiling point from liquid to vapor if its density is 0.7138 g/mL?
A 1.0-L buffer solution is 0.105M in HNO 2 and 0.145M in NaNO 2. Determine the concentrations of HNO 2 and NaNO 2 after addition of 1.4g NaOH.
An unknown compound burned with a yellow, nonsmoky flame and was found to be insoluble in 5% sodium hydroxide solution but soluble in concentrated sulfuric acid.
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