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Trinity inherits $24,300 and decides to in- vest in two different types of accounts, a savings account paying 2% interest, and a certificate of deposit paying 5.75% inter- est. She decides to invest $8,500 more in the certificate of deposit than in savings. Find the amount invested in the savings account.
The distance between adjacent wave crests is called
Perform whatever separations and tests you think necessary to determine which ions are in fact present
The same apparatus is then filled with an unknown gas at 32.3 C to a pressure of 645 mm Hg. It takes 5 hours 34 minutes and 25 seconds for the pressure to fall to 207 mm Hg. Calculate the molar mass of the unknown gas.
a dilute aqueous solution of an organic compound soluble inwater is formed by dissolving 2.35 g of the compound in
Let's assume that your education has led you to rob armored cars. In your latest heist, if you were faced with bags of coins that weighed the same, which bag would you take: pennies, nickels, dimes or quarters
The venom of biting ants contains formic acid, HCOOH (Ka=1.80*10^-4 at 25 C). What is the pH of a 0.0065 M solution of formic acid?
when companies sell compressed gas in steel cylinders, they usually quote the contents as volume of gas at 1 atm pressure at tempertaure of 20 degrees celcius.
A 0.05M H2S solution contains 0.15M NiCl2 and 0.25M Hg(NO3)2. What pH is required to precipitate the maximum amunt of HgS but none of the NiS
bromothymol blue ka 1.6 x 10-7 is yellow in its protonated form hx and blue in its ionized form x-. at what ph will
What does the volume correction constant (b) in the van der Waals equation represent? Why is b for helium small (b = 0.0238 L /?mol) compared to b for decane (C10H22, b = 0.3043).
How many liter of hydogen are required to react with 1.9 l of Oxygen to make water at STP according to Avogadro's law.
If each Halloween snack-sized candy bar is 15 g, how many Calories are consumed once you polish off a handful (6 candy bars) of Trick-or-Treating loot? (1 Calorie = 1 kcal)
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