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Problem- When adding distilled water and shaking the tube vigorously caused bubbles to from. However, during the experiment, when adding magnesium chloride into the tube, the bubbles ceased. Why adding magnesium chloride to soap causes the bubbles to stop forming?
Explain the each step. Explain the process and each step.
Balance the following equation in acid solution and determine if it is spontaneous when all ion concentrations are 0.010 M and the gas pressure is 1 atm. NO3¹? (aq) + Sn²? (aq) ? NO(g) +Sn4? (aq)
Calculate the mass of the precipitate formed when 2.27 L of 0.0820 M Ba(OH)2 is mixed with 3.06 L of 0.0664 M Na2SO4.
There are 86,472 houses in the county and the county occupies a space totaling 475 square miles. How many square miles of housing are present in Chem county?
The compound 2-methyl-1,4-pentadiene would be classified as what type of diene? Select the least stable diene listed below
if the total amount of energy emitted by a carbon sample is 1.98x105 j determine the number of carbon atoms present in
Titanium occurs in the magnetic mineral ilmenite (FeTiO3), which is often found mixed up with sand. The ilmenite can be separated from the sand with magnets. The titanium can then be extracted from the ilmenite by the following set of reactions
Consider a steel tank whose volume is 49.0 L and which contains O2 gas at a pressure of 18100 kPa at 29°C. What volume would the gas occupy at STP?
What is the coefficient for Zn when the equation below is balanced with the smallest whole number coefficients
For the strong base solution 4.0×10?3 M Ca(OH)_2, determine [OH^-], [H_3O^+], pH, and pOH.
Important information about Conceptual Organic chemistry and What chemical tests might be used to distinguish between pentanal and 2- pentanone; between benzyl alcohol and diphenylmethanol?
A system is expanded against an external pressure of 2 atm, changing its volume from 10 to 35 L and absorbing 765 J as heat from the surroundings
The calorimeter contains exactly 251 g of water as well as the temperature increases by 1.126°C. Compute the heat given off by the burning Mg, in kJ/g and in kJ/mol.
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