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When CO2 is bubbled through an ether solution of benzyl magnesium bromide, and the resulting mixture is acidified, phenyl acetic acid is produced. Any unreacted benzyl magnesium is converted to toluene. How would you separate the toluene from the phenylacetic acid?
on a dry day your body can accumulate static charge from walking across a carpet or from brushing your hair. if your
For a radioactive decay (decomposition of a radioactive substance) the half-life is 6.0 h. How much radioactive substance remains after 22 h, in % (radioactive decay is a first-order process)
Calculate the final temperature of the solution assuming no heat is lost to the surroundings, the final mixture has a mass of 100.0 g and the solution has a specific heat capacity of 4.18 J °C-1 g-1
1. determine how many grams of o2 are present when mass of a sample of earths crust is of 328rm gg ? note down
54.9g of solid aluminum hydroxide, Al(OH)3, is neutralized with 91.9g of sulfuric acid, H2SO4. (a) write a balanced equation of the reaction (b) which one is the limiting reagent
sodium hydroxide reacts with sulfuric acid to produce sodium sulfate and water. how many grams of sodium hydroxide are
Calculate the concentration of cadium chloride contaminant in the original groundwater sample. Round your answer to 2 important digits.
calculate the de broglie wavelength of an electron in the ground state of the h atom. show that this wavelength is
If 114 grams of CS2 are burned in an excess of O2 (an amount sufficient to burn completely all 114 g of CS2), how many moles of SO2 are formed?
Fe(NO3)3, 5 drops of 0.1 M KCNS why are ions present when you mix those solutions? I also conducted the experiment using an unknown and got the same results for both.
A solution contains 8.88g of KBr in 500.0mL of solution and has an osmotic pressure of 6.97atm at 25 C. Calculate the van't Hoff factor (i) for KBr at this concentration.
Dehydration of 2-methylcyclohexanol gives small amounts of 1-ethyl-cyclopentene. Write a mechanism to account for this product.
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