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Problem- If thymol blue turns red in a sample solution that gives a violet color to methyl violet, what is the range of possible pH values for the sample?
Explain each and every step in detail. I need proficient help in the above problems.
What is the percent yield of a reaction in which 210. g phosphorus trichloride reacts with excess water to form 100. g HCl and aqueous phosphorous acid (H3PO3)
Assuming the solution's final volume is 150.0 mL, the density is 1.00 g/mL, and the specific heat is 4.184 J/(g C), calculate the heat of the reaction.
Products of combustion are then exhausted to the atmosphere. Calculate partial pressures of gases in the exhaust of the tool if 0.1 g of butanol is ignited in a chamber with the initial volume of 1.4 l at 1 atm. Exhaust temperature is 55 oC. Air c..
What is the concentration of a solution made by diluting 75 mL of 6.0 M HCl to a final volume
When steam condenses to liquid water, 2.26 kJ of heat is released per gram. The heat from 168 g of steam is used to heat a room containing 6.44*104 g of air (20ft*12ft*8ft). The specific heat of the at normal pressure is 1.015 J/(g°C).
The united states FDA requires that any product called vinegar contains at least 4% by weight of acetic acid. assuming that the density of vinegar is the same as water
Explain the human eye is a complex detector for visible light. IF the optic nerve needs a minimum of 2.0 x 10-17 J of energy to trigger a series of impulses that eventually reach the brain. Explain how many photons of blue light 475 nm are needed
Problem- What is the concentration of a solution (in M) of a sodium chloride solution (NaCl) prepared by dissolving 14.4 g of (NaCl) in enough water to produce 382 mL of solution
A disulfide bridge forms between two cysteine residues. d. Disulfide bridges can exist between two amino acid residues on the same chain. e. Disulfide bridges are formed by an irreversible oxidation reaction.
Explain which of the following species has the shortest, strongest covalent bond: CN^- , CO2 , C2^2- , CO^2- , CO
soluble plant fertilizer is 0.070% by weight. if a 19.0g sample of this fertilizer is dissolved in 2.0L of solution, what is the molar consentration
ion-ion interactions in macromolecules are known to occur either inside or outside of the macromolecule. which of the two interactions is stronger and why
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