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Problem- The molecules ChR2 (Ch = O, S, Se, Te) are all bent. How and why do the bond angles change when going down in the group 16?
I require expert help to solve the above question. Illustrate each and every step
Acetic acid, CH3CO2H, is made industrially, by the reaction of methanol and carbon monoxide. If you produce 1.00L of acetic acid (d= 1.044 g/mL) by this reaction, how much energy as heat is evolved.
The diluted solution from the second volumetric flask was found to contain 0.0274 mgNa/L.What is the concentration of Na in the first volumetric flask
A beaker with 120 mL of an acetic acid buffer with a pH of 5.00 is sitting on a benchtop. The total molarity of acid and conjugate base in this buffer is 0.100 M. A student adds 5.50 mL of a 0.250 M HCl solution to the beaker. How much will the pH..
Explain how to prepare 1.00 L 0.15 M NaOH aqueous solution from a concentrated NaOH stock solution (19.4M). Find out the volume of the concentrated NaOH solution needed and describe the procedure briefly.
The volume of the container is 2 ft 3 .Calculate the volume of gas in the container?
How many grams of potassium phthalate must be added to 750 mL of 0.0500 phthalic acid to give a buffer of pH 5.75?
Cesium-137 has a half-life of 30 years. You begin with a 20.0 g sample of Cs-137. How many half-lives occur if you wait a total of 60 years?
Problem- How many mL of .300 M calcium hydroxide is needed to titrate 45 mL of .300 M of hyrdochloric acid to its equivalence point
a nc coastal plain organic soil has a ph of 4.5 and a cec 30 meq100g.nbsp what lime rate would you recommend? a dealer
At a birthday pool party, the temperature is 29.50 C and the atmospheric pressure is 765.4 mmHg. One of the decoration helium balloons has a volume of 6.25 L.
A 4.305-gram sample of a nonelectrolyte is dissolved in 105 grams of water. The solution freezes at -1.23°C. Calculate the molecular weight of the solute. Kf for water = 1.86°C/m.
A current of 4.85 A is passed through a Cu(NO3)2 solution. How long (in hours) would this current have to be applied to plate out 7.60 g of copper?
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