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Will a precipitate form if 25.0 ml of a 0.0030 M solution of BaCl2 and and 50.0 ml of a 0.050 solution of NaF are mixed? Is the solution saturated, unsaturated, or supersaturated? (Ksp of BaF2=1.5 x 10-6)
Rare bacteria arriving on an asteroid from the invisible moon Teflonia eat C2F4 and use this raw material to make poly-TFE as their cell walls. (PTFE is teflon.) What happens to the equilibrium if the bacteria are added to the reaction mixture?
Calculate the volume of a .850 M KOH solution necessary to neutralize 25.00 mL of 1.500 M solutions
which portion of the titration curve are you in to reach pH = 7? Show your calculations to prove that dilution of 10,000 gal aniline requires 0.58 gal of this acid.
Image text transcribed for accessibility: A buffer was prepared by dissolving 0.370 mol of the weak acid HA (Ka = 1.00 times 10-5) plus 0.036 mol of its conjugate base Na+A- in 1.00 L. Find the pH.
when 15.0g of steam drops in temperture from 275.0C to 250.0C how much heat is released csteam=2.01j/gC
The temperature of a sample of water increases from 21.9°C to 45.3°C as it absorbs 5669 J of heat. What is the mass of the sample.
What is the entropy change for a particle in this system if the final number of microstates is 0.819 times that of the initial number of microstates?
Is the reaction spontaneous?
what weigh tof CaCO3 is required to completely react 135 ml of a 0.665M solution. Must show set up.
Calculate what the limiting reactant is in the reaction between copper (II) oxide and hydrochloric acid
Diethyl amine density (1.0475 g/mL) Diethyl amine MW 73 Diethyl ether density (0.714 g/mL) Hint: Consider at which temperature the reaction is run. Which of the boiling points and melting points might come into play?
what is the molecular formula of a compound that contains 28.2% of potassium ,25.6% of chlorine and 46.2% of oxygen ? the molar mass is 138.5u.
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