Propose a structure for an amine of formula c4h9n which
propose a structure for an amine of formula C4H9N, which liberates a gas when treated with NaNO2 and HCl. The 13C NMR spectrum is as follows with attached protons in parentheses: delta 14 (2), delta 34.4(2), delta 50.0(1)
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Design a circuit that provides a relationship between output voltage Vo and input voltage Vs such that Vo=12*Vs -10. Two opamps, a 6-V battery, and several resistors are available.
A projectile is fired into the air from the top of a cliff of height h = 198 m above a valley. Where does the projectile land
Find the molarity of each ion present after mixing 27 mL of 0.25M HNO3 with 36.0ml of 0.42 M Ca(NO3)
An amount of ideal gas is con?ned to a sealed box at one-half atmospheric pressure, i.e., 50.65 kPa. What is the new pressure of the gas in the smaller box
What is the range of returns for large cap stocks you would expect to see 95% of the time?
To determine [Fe3+] in an unknown solution, 1.00 mL of the solution was diluted to 50.0 mL. After addition of excess SCN-, the absorption of the standard solution =0.193 at 580 nm. What is the [Fe3+]
Company A has 40 shares outstanding and pays no interest. Company B has 30 shares outstanding and pays $25 in interest. What is the EPS for each company?
Phenol is a weak organic acid with Ka=1.0x10^-10. How many grams of phenol do you need to add to 500. mL of water to make a pH=5.75 solution
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