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Calculate the masses of
(a) Ca(NO3)2 and, separately,
(b) NaClto add to a 0.150 mol kg-1 solution of KNO3(aq) containing 500 g ofsolvent to raise its ionic strength to 0.250.
A gas has a volume of 2.84 L at 1.00 atm and 0oC. At what temperature does it have a volume of 7.50 L at 520 mmHg
Even with a drying tube, leaving phenylmagnesium bromide exposed to air will eventually lead to its decomposition. Why? What is the product of this decomposition pathway?
Sketch the typical stress-strain curve for a metal and a ceramic. Using the sketch, indicate the following properties; elastic and plastic regions, yield points, Ultimate Tensile Strength (UTS), strain energy and fracture toughness.
Assume that the specific heat of the solution is the same as that of pure water. Calculate the PH in kJ/mol NaOH for the solution process
A compound with empirical formula C 2 H 2 N dissolved its 0.0800 gram in 10.00 g of C 6 H 6 , freezing point of resulting solution= 4.99 degree celsius
Suggest a chemical test that would allow you to distinguish between tert-butyl alcohol and 1 butanol, both of which give a positive ceric nitrate test?
Using a sample of 0.0355 gram of an unknown molecular compound is dissolved in 1.000 g of liquid camphor at 200.0°C. Calculate the molar mass of the unknown compound if the camphor freezes at 157.7°C upon cooling.
During the conductivity of NacL, AlCl2,and CaCL2 by using 1.0M in each of the three describes the appearance of the cuves.
For each parameter listed, explain whether or not a change in the parameter will have an effect on the retention time of a compound.
What will be the pH if 0.00820 mol of HA (pKa=2.34) and 0.00820 mol of A- are dissolved in water to make 1.000 L of solution? this is a dilute acid problem
considering the given nbspreactions nbspas cocl2g 4nh3g conh22s 2nh4cls with ?gdeg -332.0 kj nh3g hclg nh4cls with
When a 5.8 g serving of cereal burns in the same bomb calorimeter, the temperatrue of the calorimeter increases by 1.92 C. Calculate the fuel value of the cereal in kj/g.
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