2,221 Answered Questions for the topic organic chemistry

Organic Chemistry Chemistry Biochemistry

11/28/20

Enthalpy (Chemistry)
Consider the reaction: 2 SO2 (g) + 2 H2O (g) --> 2 H2S (g) + 3 O2 (g)Calculate the  rxn using the standard enthalpy of formation data provided.SO2 (g) -296.8 kj/molH2O (g) -241.8 kj/molH2S (g)... more
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Organic Chemistry Chemistry Biochemistry

11/24/20

Ions: Electron configuration
Write the complete electron configuration for the nickel(II) ion.Using NOBLE GAS notation write the electron configuration for the chromium(III) ion.
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Organic Chemistry Chemistry Biochemistry

11/24/20

Ions: Electron Configuration
Write the complete electron configuration for the common monatomic ion formed by the element bromine, Br.This ion is a(n) _______cationanion with a charge of____?
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Organic Chemistry Chemistry Biochemistry

11/24/20

Ions: Electron Configuration
Write the complete electron configuration for the chromium(III) ion.Using NOBLE GAS notation write the electron configuration for the iron(II) ion.
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Organic Chemistry Chemistry Biochemistry

11/23/20

Ions: Isoelectronic series
Considering only ions with charges of +1, +2, -1 and -2, or neutral atoms, give the symbols for 4 species that are isoelectronic with the barium ion, Ba2+.
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Organic Chemistry Chemistry Biochemistry

11/23/20

Ions: Isoelectronic Series
Considering only ions with charges of +1, +2, -1 and -2, or neutral atoms, give the symbols for 4 species that are isoelectronic with Xe.
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Organic Chemistry Chemistry Biochemistry

11/23/20

Ions: isoelectronic Noble Gas
A monatomic ion with a charge of +1 has an electronic configuration of 1s22s22p63s23p64s23d104p65s24d105p6.This ion is a(n) _______cationanion.What is the chemical symbol of the noble gas this ion... more
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Organic Chemistry Chemistry Biochemistry

11/23/20

Ions: isoelectronic Noble Gas
A monatomic ion with a charge of -2 has an electronic configuration of 1s22s22p6.This ion is a(n) _______cationanion.What is the chemical symbol of the noble gas this ion is isoelectronic... more
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Organic Chemistry Chemistry Biochemistry

11/23/20

Ions: Electron Configuration
Write the complete electron configuration for the common monatomic ion formed by the element rubidium, Rb.This ion is a(n) _______cationanion with a charge of?
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Organic Chemistry Chemistry Biochemistry

11/23/20

Ion: Electron Configuration
Write the complete electron configuration for the iron(III) ion.Using NOBLE GAS notation write the electron configuration for the manganese(II) ion.
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Organic Chemistry Chemistry Chemical Engineering Chem

11/22/20

please help on this questions

1.At what temperature was thermal equilibrium reached? How long did it take to arrive at this temperature?2.How does the temperature change within the first 60 seconds of the experiment? Within the... more
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Organic Chemistry Chemistry Biochemistry

11/21/20

What ion/atoms are isoelectronic?
SeleniumMagnesiumBromineNitrogenKryptonZincBarium IronBromideBarium cationIron (III)Selenide
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Organic Chemistry

11/20/20

IUPAC name of the compound

Ch3 single bond c double bond o single bond ch2 single bond ch2 single bond ch2 single bond cooh
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11/19/20

i need help on this

help explain how it is possible for you to see the red ball?1# How does Figure 1 help explain how it is possible for you to see the red ball?
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Organic Chemistry Chemistry Chemical Engineering

11/19/20

i need help on this

Aspects of Scientific Models1.What are the key components represented in the model shown in Figure 2?2.What relationships are shown in the Figure 2 model?3.How does the Figure 2 model connect to... more
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Organic Chemistry Chemistry

11/19/20

Pentane (C5H12) and hexane (C6H14) form an ideal solution. The vapor pressures of pentane and hexane at 25° C are 511 torr and 150 torr, respectively.
CHAPTER 16The mole fraction of hexane in a pentane-hexane solution is 0.50. Calculate the mole fraction of pentane in the vapor that is in equilibrium at 25°C with this solution.
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Organic Chemistry Chemistry Biochemistry

11/17/20

Energy of Light
The energy of a particular color of violet light is 4.51×10-22 kJ/photon.The wavelength of this light is ______nanometers.(109 nm = 1 m)
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Organic Chemistry Chemistry Biochemistry

11/17/20

Energy of Light
X-ray radiation falls in the wavelength region of 1.00×10-11 to 1.00×10-8 meters.What is the energy of X-ray radiation that has a wavelength of 1.00×10-11 m?Energy =  _______kJ/photon
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Organic Chemistry Science Chemistry

11/17/20

Knowing that ∆Hvap for water is 40.7 kJ/mol, calculate Pvap of water at 37°C
I had gotten the answer 6.90 torr, but the correct one says ita 52.6 torr.. Confused about what I had done wrong!
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Organic Chemistry Chemistry

11/17/20

Which of the following is most likely to be a gas at room temperature? A) K₂S B) C₈H₁₈ C) MgF₂ D) F₂ E) H₂O
I am fairly certain its F2, but an explanation would be appreciated!!!
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Organic Chemistry Chemistry

11/17/20

i need help on this question

Electron dot diagrams are drawn by surrounding the element symbol with the correct number of... a. protons that the atom has. Selected:b. electrons that the atom has.This answer is incorrect. c.... more
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Organic Chemistry Science Biology Chemistry

11/17/20

If I have a 12% solution of hydrogen peroxide (2 cups) and dilute it with 1 cup water, what is the new percentage?
I'm actually doing a lab, this isn't a textbook problem (college bio)
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Organic Chemistry Chemistry

11/16/20

Arrange compounds by their expected lattice energy.
Based on ion sizes, arrange these compounds by their expected lattice energy from greatest to least.I am given: MgF2, MgCl2, MgI2, MgBr2
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Organic Chemistry Chemistry Biochemistry

11/16/20

Determine lattice energy
Consider an ionic compound, Mx2 , composed of generic metal M  and generic, gaseous halogen X.The enthalpy of formation MX2 is delta H°f= -991 kj/molThe enthalpy of sublimation of M delta H sub=... more
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Organic Chemistry Science Biology Chemistry

11/16/20

Which proteins protects skeletal muscle from injury ?
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