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Question: How do you distinguish between molecular formula, empirical formula (simplest) and structural formula of benzene? (Draw structures)
A saturated solution of potassium phosphate was filtered and then titrated. The concentration of [K+] was found to be 0.00956 M. What is the concentration of phosphate ions in this saturated solution
you have a stock solution of 14.8 m nh3. how many milliliters of this solution should you dilute to make 1000.0 ml of
Given that the rate constant is 4.0×10-4 at 25.0 degrees C and that the rate constant is 2.6×10-3 at 42.4 degrees C, what is the activation energy in kilojoules per mole?
Problem- How might you replace a halogen substituent by a deuterium atom if you want to prepare a deuterated compound
In the procedure, you extracted sodium chloride from the insoluble silicon dioxide and calcium carbonate by dissolving the sodium chloride in distilled water. However, calcium carbonate is actually slightly soluble in water
A metal cylinder has a length 7.2cm along with diameter of 1.4. It is dropped in a graduated cylinder filled with water upto 61.3ml mark. At what mark must the water level rise after the cylinder is dropped
Two syntheses using a grignard reagent, starting with an alkyl halide and later
If the titrant has a molarity of 0.2500 M and there are 45.00 mL of analyte present, what is the molarity of the analyte?
the sun's diameter is 1.4E9m and its effective surface temperature is 5800K. Assume the sun is blackbody and estimate the rate of energy loss by radiation from the sun
calculate the amount of heat in kJ absorbed if a 200-g sample of water is heated from 22.8 degrees celsius to 41.5 degrees celsius with the specific heat of water being 4.184 J/ g degree celsius
A runner in training ran a pace test at a truck and came up with the following 1.0 mile lap times in minutes/seconds.5:54, 6:02, 6:04, 6:09, 5:48. a) What was his average pace in minutes per mile?
A scientist wants to make a solution of tribasic sodium phosphate, Na3PO4 , for a laboratory experiment. How many grams of Na3PO4 will be needed to produce 425 ml of a solution that has a concentration of Na^+ ions of 1.40 M
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