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A solvent and solution are separated by a semipermeable membrane how does the height of the column of solution change if the concentration of the salt is increased? How does temperature affect the height?
What is the pH of a phosphate solution made by the addition of 2.5 equivalents to an initial solution of phosphoric acid. The three pKa values of phosphate
The infrared spectrum of the xanthene reduction product contains evidence that demonstrates that conjugation of the rings is still maintained
When the valve between the 2.00-L bulb, in which the gas pressure is 2.00 atm, and the 3.00-L bulb, in which the gas pressure is 4.50 atm, is opened, what will be the final pressure in the two bulbs?
Calculate Keq for 2 moles of electron(s) in each half-reaction and a standard potential of 0.12 V. Calculate Keq for 2 moles of electron(s) in each half-reaction and a standard potential of (-0.54) V.
When magnesium nitride is placed in water, it is decomposed to give the same magnesium containing product as formed from magnesium oxide and water. There is also a strongly odored gaseous product formed. What is the gas? Write a balanced equation ..
Why is ratio the surface energy to the enthalpy of vaporization much less than one half?
A 4.78 g sample of aluminum completely reacts with oxygen to form 6.67 grams of aluminum oxide. Use this date to calculate the mass percent composition of aluminum in aluminum oxide.
Commercial grade hcl are typically 39% by mass HCL in water. determine mole fraction of HCL has solution has density
1. Why does milk go sour and what causes the formation of curd? 2. Explain why during the experiment casein precipitates wheen hydrochloric acid is added to it.
How many products are formed in this reaction? Which of the products are triatomic molecules? How many of the substances involved in this reaction are compounds?
What mass of Aluminum is produced when 0.5 mole of Al2S3 is completely reduced with excess H2?
the compound freon-12 (CCl2F2) is used as a coolant in refrigerators and air conditioners. It is produced through the following reaction: CCl4+SbF3-> CCl2F2+SbCl3. If 15.0 mole of freon-12 are to be produced, what mass of the carbon tetrachloride ..
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