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Problem- The components listed on the label of a typical box of salt are sodium chloride, sodium silicoaluminate, sodium Thiosulfate, and potassium iodide. On the basis of its ingredients, would you conclude that table salt is a substance or mixture? Explain your answer.
What is the basic difference between a physical change and a chemical change?
Classify the following as either chemical or physical changes
(a) Iron melting
(b) Cider changing to vinegar
(c) Gasoline evaporating
(d) Steam condensing
(e) Wood burning
Any expert will able to provide correct answer for the above question
Calculate the pH during the titration of 40 mL of 0.1M HCL with 0.1M NaOH solution after the following additions of base:
Which has the larger hydration energy, AL+3 or Li+ (Both ions are about the same size)
The enthalpy change for any reaction can be obtained by subtracting the sum of the enthalpy changes of formation of the reactants from the sum of the enthalpy changes of formation of the products.
draw an electron-dot structure for hydrogen peroxide. write balanced chemical equations for reactions of hydrogen
a voltaic cell consists of mnmn2 and cdcd2 half-cells containing equal volumes of solutions with the following initial
Calculate the density and radius of the ball bearing (volume of a sphere of radius r is 4/3pi r^3).
Tin(Sn) exists in Earth's crust as SnO2. Calculate the percent composition by mass of Sn and O in SnO2
Calculate the change in its standard molar Gibbs free energy when benzene is heated from 25 ºC to 45 ºC.
What is the molar mass of adrenaline in a solution of 0.64 g of adrenaline in 36.0 g of CCl4 elevates the boiling point by 0.49?
Calculate the amount of 10% acetic acid you will need to add to 100.0 ml of your milk in order to bring the final acidity to 1.00% acetic acid.
How many milliliters of 0.02 N standard versenate solution would be required in the API titration for total hardness? b) Express the concentrations of Ca2+ and Mg2+ in parts per million
at room temperature more of the collisions have sufficient energy to produce a reaction. the piece of zinc needs to be bigger at 4 deg c.
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