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Diethyl ether is a volatile liquid, that is used in many solvents. The vapor pressure of diethyl ether is 401 mmHg at 18C. Calculate its vapor pressure at 29C.
In a basic aqueous solution, chloromethane undergoes a substitution reaction in which Cl- is replaced by OH-: CH3Cl(aq)+OH-(aq) CH3OH(aq) + Cl-(aq)
4 C3H5O9N3(l) → 12 CO2(g) + 6 N2(g) + O2(g) + 10 H2O(g) If a sample containing 2.01 mL of nitroglycerine (density = 1.592 g/mL) is detonated, how many total moles of gas are produced?
in step 1 of the experimental procedure copper metal is added to concentrated nitric acid. the reaction between copper
Nitrogen and Oxygen form an extensive series of oxides of general formual NxOy; at least 7 are known. One of them is a blue solid that comes apart reversibly in the gas phase. It contains 36.84% N and the rest is Oxygen. What is the empirical form..
When atoms of the hypothetical element X are placed together, they rapidly undergo reaction to form the X2 molecule. Would you predict that this reaction is exothermic or endothermic?
Investigators have reported experimental observation of the He2 ‘complex' (i.e., a very weakly bonded molecule). The fact that the observation required temperatures in the neighborhood of 1 mK is consistant with computational studies that hcDe for..
The initial temperature of the water was 25.4 C and the final temperature of both the water and metal was 36.6 C. If the specific heat "c"
A sample of an ideal gas has a volume of 2.30 L at 2.80 × 102 K and 1.05 atm. Calculate the pressure when the volume is 1.17 L and the temperature is 306 K
a galvanic cellnbsp is set up at the temperature od 298 k using the given reaction fe fe2 0.10 m cd2 0.95 m cd
Assuming the volumes of all gases in the reaction are measured at the same temperature and pressure, calculate the volume of water vapor obtainable by the explosive reaction of a mixture of 725 mL of hydrogen gas and 325 mL of oxygen gas.
Emission spectral lines for Be^3+ has a wavelength of 253.4 nm for an electronic transition that begins in the state with n=5. What is the principle quantum number of the lower-energy state corresponding to this emission
What is the pH at the equivalence point of a weak base-strong acid titration if 20.00 mL of NaOCl requires 28.30 mL of 0.50 M HCl? Ka = 3.0 × 10-8 for HOCl.
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