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A compound gave an orange precipitate when reacted with 2,4 -DNP and showed a strong absorbance. The Tollens test shows a negative result. What functional group is consistent with these results and why?
At a certain temperature, the root mean square speed of CH4 molecules is 1610 km/h. what is the root mean square speed of CO2 molecules at the same temperature ?
A 11.7 mL sample of a HCl solution has a pH of 2.000. What volume of water must be added to change the pH to 4.000?
Give the chemical equation for the reaction that occurs in (B) to reach equilibrium.
Calculate the pH of the 0.20 M NH3/0.24 M NH4Cl buffer. B)What is the pH of the buffer after the addition of 10.0 mL of 0.10 M HCl to 55.0 mL of the buffer?
Determine the new pressure of the gas and express your answer in Pa
what the final orbital should be ? would you expect Rh to be paramagnetic or diamagnetic? Explain your answer to each question? please explain in details so its easy for me to understand this.
Describe in brief the risk connected with solutions of 1M NH 3 , 1M HCl, and 1M NaOH?
what would be the product if you reacted 1,3-dimethoxubenzene with tert-butyl alcohol?
If 85.0 mg of fluorine-18 is shipped at 8:00 a.m., how many milligrams of the radioisotope are still active if the sample arrives at the radiology laboratory at 1:30 p.m. ?
The biochemical oxygen demand (BOD) is the capacity of organic and biological matter in natural water to consume oxygen. It is determined experimentally by measuring the oxygen concentration in a sealed sample before and after a 5-day incubation p..
why vanderwaals equation of state is not well defined in 1 dimension. and what is ratio of critical constants in 2 dimension and 3 dimension.
Which of the following statements concerning the determination of crystal structure by x-ray diffraction is incorrect? X-rays are reflected from the repeating planes of an ordered crystal lattice
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