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Draw Lewis structure(s) for the nitrate ion (NO3-). If there are equivalent resonance structures, draw all of them.
A 1.17 g sample of an alkane hydrocarbon gas occupies a volume of 674 mL at 28°C and 741 mmHg. Alkanes are known to have the general formula CnH2n+2.
Why is it necessary to acidify the mixture obtained after the reaction of methyl benzoate with phenylmagnesium bromide
in the laboratory a student named georgia weighed 4.75 g ofan unknown solid mixture containing benzoic acid copper
In a separate experiment, it was found that, for fixed temperature and pressure, a 0.100 L sample of this compound takes 1.73 times longer to effuse than does a 0.100 L sample of Ar(g). What is the molecular formula of the compound? Draw possible ..
If you are given a 0.26 g piece of sodium metal to react with water, how many moles of HCl would it take to neutralize the sodium hydroxide produced
Problem- Use the Rydberg equation to calculate the wavelength (in nm) of the photon emitted when an electron in a hydrogen atom undergoes a transition from n= 9 to n=2.
Lewis Structure for a Nitrate Ion (NO3-1). For the correct structure of the nitrate ion, what is the bond angle from O-N-O?
Calculate the enthalpy change, Delta H, for this reaction per mole of \rm X. Assume that the specific heat and density of the resulting solution are equal to those of water [4.18 \rm J/(g \cdot {^\circ C}) and 1.00 \rm g/mL] and that no heat is lo..
The following choices list some common laboratory solvents. In which of these solvents would LiCl be the LEAST soluble
What is the pH of a solution of 0.75 M K2HPO4, potassium hydrogen phosphate. Phosphoric acid (H3PO4) has the following equilibrium constants. Ka1= 7.5*10^-3 Ka2= 6.2*10^-8 Ka3= 4.2*10^-13
Using only your answer to a, and the following information: Delta H = -283.0 kJ/mol for the reaction: CO(g) +1/2 O2 (g) --> CO2 (g), determine delta H for the reaction: 4CO (g) + 2NO2 (g) --> 4CO2(g) + N2 (g).
the molecule atracurium is a very complex drug neuromuscular blocking agent and is associated to the natural product
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