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Problem- In the experiment of classifying Matter by properties describe the sodium carbonate and calcium chloride solutions.
Describe what happened when you mixed these two solutions
Did a physical or a chemical change occur when the two solutions are mixed? Briefly explain
Describe what happened when you added the calcium chloride solution to the sand/sodium carbonate filtrate.
Kindly Please put your best effort to provide the solution of above problem
A voltaic cell is constructed with two silver-silver chloride electrodes, where the half-reaction is AgCl (s) + e-? Ag (s) + Cl- (aq) E° = +0.222 V
certain first-order reaction () has a rate constant of 1.00×10-2 at 45 . How many minutes does it take for the concentration of the reactant, , to drop to 6.25 of the original concentration?
A 47.60 g sample of liquid magnesium at 738.0 °C is poured into a mold and allowed to cool to 28.0 °C. How many kJ of energy are released in this proces
In this exercise it was also assumed that the calorimeter was a perfect insulator and that no heat was lost to the surroundings.
Is there a list of hazardous or safe chemicals for Thailand? Where can I find it?
tarnish silver sulfide may be removed from a silver spoon by placing the spoon in contact with a metallic container
The equilibrium constant for this reaction is 1.70 x 10^-3. Suppose that 0.860 mol N2 and 0.580 mol O2 are mixed in a 4.00-L reaction vessel. What will be the concentrations of N2, O2, and NO when equilibrium is established?
a. how would you prepare 100ml of 0.5m naoh? calculate the mass of naoh needed and describe the procedure and glassware
Gold has a face-centered cubic arrangement with a unit cell edge length of 4.08 \AA. How many moles of gold fit in a sheet with a length of 51.6 nm, a width of 24.3 nm
Calculate how long it will take for 0.500 g of the isotope to be reduced to 0.150 g by decay.
A gas absorbs 0.0j of heat and then performs 35.6j of works. the change in interval energy of the gas is
Hydrogenation reactions are used to add hydrogen across double bonds in hydrocarbons and other organic compounds. Use average bond energies to calculate DELTA Hrxn for the following hydrogenation reaction:
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