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Problem- If a precipitate of BaSO4 is to be formed in a metathesis reaction, aqueous solutions of which two ionic compounds can be combined?
If possible just a brief explanation how you got the answer?
Experiment you measured teh effect of changing temperature on the pressure of a conatined gas at constant volume.
The three-dimensional structure of the eclipsed conformation and the staggered conformation of ethane Utilize plain lines, solid wedges, and dashed wedges
sample of benzoic acid is burned in a bomb calorimeter at 25 degrees C, and the temperature increases by 3.72 degrees C. What is the calorimeter constant?
a race car is traveling in a clockwise direction around a circular track with a constant speed of 200 kmhr. if is at
Question- Hydrazine (N2H4) and dinitrogen tetroxide (N2O4) form a self-igniting mixture that has been used as a rocket propellant. The reaction products are N2 and H2O. Write a balanced chemical equation for this reaction.
What concentrations of acetic acid (pKa = 4.76) and acetate would be required to prepare a 0.20 M buffer solution at pH 4.5? Enter your answer to two significant figures.
A 2.48 L sample of He at 739 torr is mixed with 6.08 L of Ar at 325 torr both at 25°C is placed in a 4.80 L container at 25°C. What is the partial pressure (atm) of He? a) 0.48 b) 0.54 c) 0.42 d) 0.50 e) 0.38
calculate the mass of Fe(NO3)3 that you would need to yield a similar conductivity value as the NaCl
Xanthine is a biological precursor of uric acid. What can you say about the molar absorptivity of xanthine if absorbance measurements of 250
he laser in most supermarket barcode scanners operates at awavelength of 632.8 nm. what is the energy of a single
Conversion of sulfur dioxide to sulfur trioxide reaction exothermic or endothermic and an diagram showing the internal energy changes
nbspa solution is prepared that initially contains 0.10 m agaq and 0.80 m nh3 aq. the kf for the formation of agnh32aq
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