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Illustrate the bond angles which are at least slightly different in the C2H2Br2 molecule. Therefore this has isomers and find the isomer that shows the least slightly different bond angle
how many grams of solute are in the solution 498 mL of a.850 M Na2So4?
Calculate the theoretical ph of one of your buffer at 0^0 C. Assume that room temperature is 22^0 C. If none of your buffer is listed on the table of changing pka with temperature, do this problem for TRIS at ph 8.0.
Selenic acid is a strong diprotic acid and dissociates according to the following equations: H2SeO4(aq) H+(aq) + HSeO4-(aq) Ka1 = Large
A container of Methane gas initially at 40.0 atm is heated to a temperature of 150.0C at which the pressure is 45.0 atm. What was its original temperature
A volume of 40.0 mL of aqueous potassium hydroxide (KOH) was titrated against a standard solution of sulfuric acid (H2SO4). What was the molarity of the solution if 19.2 mL of 1.50 M H2SO4 was needed? The equation is 2KOH(aq)+H2SO4(aq)=K2SO4(aq0+2..
1. when an acid ha is titrated with 0.1 m naoh the ph at the half equivalence point of the titration is 4.5. what is
A 4.30 g nugget of pure gold absorbed 293 J of heat. The initial temperature was 29.0°C. What was the final temperature?
which of these solutions has the lowest freezing point?a. 0.25 m naclb. 0.5 m naclc. 1.5 m nacld. 2.0 m
The temperature outside is 15 degrees celsius, and the air pressure is 0.700 atm. Your neighbor, who released the balloon, tells you that he filled it with 4.20 moles of gas. What is the volume of gas inside this balloon
How old is a bottle of wine if the tritium (3H) content is 25% that of a new wine? The half-life of tritium is 12.5 years.
metallic aluminum easily reacts with strong acids such as hcl to produce a salt solution and hydrogen gas. in an
A tanker truck carrying 5.0 103 kg of concentrated sulfuric acid solution tips over and spills its load. If the sulfuric acid is 94.0% H2SO4 by mass and has a density of 1.84 g/mL, how many kilograms of sodium carbonate must be added to neutralize..
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