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Draw all of the Lewis structures of NO2+ which obey the octet rule and use this Lewis structure or these resonance structures to predict how many covalent bonds connect each oxygen atom in the real structure to the central N atom. Assume that the octet rule is followed for the N atom when you draw your structure(s). Pick the correct statement from the choices below.
a) Each oxygen atom is connected to the central N atom with 1.5 covalent bonds.
b) Each oxygen atom is connected to the central N atom with 1 covalent bonds.
c) Each oxygen atom is connected to the central N atom with 1.33 covalent bonds.
d) Each oxygen atom is connected to the central N atom with 1.25 covalent bonds.
e) Each oxygen atom is connected to the central N atom with 2 covalent bonds.
Calculate the number of molesof each reactant. Determine the limiting reactant in each of the following three reactions. The limiting reactant that you determine here will be used directly in this experiment.
Which silver salt will precipitate first? Show calculations to support your answer. What is the concentration of Ag+ when the first precipitate begins to form?
If 25.0 mL of NO2 gas is completely converted to N2O4 gas under the same conditions, what volume will the N2O4 occupy?
Study the structures of the chlorophylls and carotenoids and predict the relative polarity of each set of pigments below
When 1.43g of the hydrocarbon is burned, 2.39 grams of water and 4.40 grams of carbon dioxide is collected. Determine the empirical formula of the hydrocarbon. Name the hydrocarbon.
Include activity coefficients in your solubility-product expression. The Ksp of AgI is 8.3 x1017.
A sample of indium sulfate, In2(SO4)3, contains 0.0446 moles of oxygen. What mass of indium is present?
Calculating effective charges on I and Br, The iodine monobromide molecule, IBr, has a bond length of 2.49 Angstroms and a dipole moment of 1.21 D.
an Erienmeyer flask is closed by a stopper connected to a glass tube. the glass tube is sealed by a drop of mercury. if we move the whole appareatus in the diagram from a room with a temp. of of 26 degrees celcius to an outdoor yard with a temp of..
A 248 gas sample has a mass of 0.433 g at a pressure of 745 mm Hg and a temperature of 28 C. What is the molar mass of the gas?
a 100 g sample of water at 23C is added to a 45 g sample of water at 99C. what is the final temperature of the sample
The specific heat capacity of a certain monatomic solid is 0.392J*k^-1*g^-1. The chloride of this element (XCl2) is 52% chlorine by mass.
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