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Which has the lower concentration of hydrogen ions, vinegar at pH 3 or tomato juice at pH 4? How many times fewer hydrogen ions? Which is more acidic?
What is the maximal amount of lead (II) iodide (the theretical yield) that can be obtained when 0.75 moles of lead (II) nitrate and 83 g potassium iodide are mixed together
The following questions pertain to the magnitude of the x-component of the speed(absolute value of the velocity) cx=|vx| of atoms in a gas, whose probability distriubution has the form P(cx)= ae^-bc2/x. Write down the integral you would need to eva..
How many grams of TiCl4 are needed to react completely with 155 L of H2 at 435 oC and 795 mm Hg pressure?
"A student titrated a 10 mL sample of a saturated solution of borax. If the titration required 23.95 mL of 0.2556 M HCL to reach the endpoint, calculate the equilibrium molar concentration of B4O5(OH)(4 in the saturated solution"
When steam (hot water) is passed over iron, hydrogen gas and iron (3) oxide are formed. What weight of steam would be needed to react completely with 100.0g of iron.
Based on coulombic attractions, list the magnitude of attraction between ions from the least to highest. why? Nacl, Na2SO4, MgSO4
Ethylene, C2H4, and water react under appropriate conditions to give ethanol. The reaction is C2H4(g) + H2O(g) C2H5OH(g) An equilibrium mixture of these gases at a certain temperature
Calculate the pH of a buffer made by mixing 50.0mL of 0.10M acetic acid (HC2H3O2) with 50.0mL of 0.10M sodium acetate (NaC2H3O2)
If 0.345 moles are produced during a reaction and collected at a temperature of 294K and pressire of .981 atm what volume will the gas occupy?
Determine the rate law and the value of k for the reaction at 25oC
Explain why an optically inactive product is obtained when (-)-3-methyl-1-pentene undergoes catalytic hydrogenation.
Explain in detail including all resonance arguments why electron withdrawing groups are found to be meta directors,
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