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An empty Erlenmeyer flask weighs 194.4 g. When filled with water (d = 1.00 g/cm3), the flask and its contents weigh 489.1 g.
1. What is the flask's volume?
2. How much does the flask weigh when filled with chloroform (1.48 g/cm^3)?
suppose a dna duplex is not self-complementary in the sense that the two polynucleotide strands composing the double
ferrocene a substance used as a gasoline additive but which is also being studied because it shows some anticancer
To prepare 100 mL of a 0.500 M solution of this hydrated form requires 0.0500 moles of this salt. Calculate the grams of this compound that equals 0.0500 moles, showing all your calculations.
A piece of a newly synthesized material of mass 25.0 g at 80.0C is placed in a calorimeter containing 100.0 g of water at 20.0C. If the final temperature of the system is 24 0C
As early as 1938, the use of NaOH was suggested as a means of removing CO2 from the cabin of a spacecraft according to the following (unbalanced) reaction: NaOH + CO2 → Na2CO3 + H2O.
Using the Maxwell-Boltzman function, calculate the fraction of Argon gas molecules with a speed of 305 m/s at 500 K.
How many electrons should we expect to see associated with the lowest energy peak in the photolectron spectrum of the element Gallium (Ga)?
The concentration of oxygen, O2, dissolved in a sample of seawater is 6.22 ppm by mass (concentration 1 ppm - 1 part per million - means
A mass of 95 g of ice at 0C is combined with 105g of water at 25 C the final temperature of the mixture is 0 C what mass of ice melts. (heat of fusion=333J/g specific heat capacities ice=2.09, liquid water =4.184)
c3h8g 5o2g-gt 3co2g 4h2ol ho -2220 kjmolpropane is often used for gas grills and is typically purchased by filling a
The Ka of a monoprotic weak acid is 6.08 × 10-3. What is the percent ionization of a 0.187 M solution of this acid
What is the solubility of Ca(OH)2 in 0.0500 M NaOH assuming both Ideal and Real behavior?
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