Homework Answers
Answer: O2 ( Option B )
A compound is a molecule that contains at least two different elements. O2 is a molecule and is composed of a single element so it is not compound.
Answer: Hydrogen bond
A hydrogen bond is the attractive force between the hydrogen attached to an electronegative atom of one molecule and an electronegative atom of a different molecule. Usually the electronegative atom is oxygen, nitrogen, or fluorine, which has a partial negative charge. The hydrogen then has the partial positive charge.
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Which of the following is NOT a compound? А. Н.О B. O2 C. NaCl D. CO2...
Which of the following compound(s) is/are chiral? C=C=CCHE Н CO2OH А B с D only a...
Which of the following compound(s) is/are chiral?
C=C=CCHE Н CO2OH А B с D only a B and C A and D only B A and B
Which of the following solids is a molecular crystalline solid? A. NaCl B. CO2 C. Ca...
Which of the following solids is a molecular crystalline solid? A. NaCl B. CO2 C. Ca D. CaCO3
Which compound listed below will dissolve in CH 3Cl? H2S O2 CO2 BF3
Which compound listed below will dissolve in CH 3Cl? H2S O2 CO2 BF3
which of the following is an example of a molecule? A. carbon dioxide CO2 B. water...
which of the following is an example of a molecule? A. carbon dioxide CO2 B. water H2O C. oxygen in the atmosphere O2 D. sodium chloride: table salt NaCl E. all of these
26) Which of the following samples has the greatest density at STP? A) O2 B) SF6 C) Xe D) CO2 E) All of these sampl...
26) Which of the following samples has the greatest density at STP? A) O2 B) SF6 C) Xe D) CO2 E) All of these samples have the same density at STP.
Match the intermolecular force with each of the particles below. A. (____) O2 B. (____) CO2...
Match the intermolecular force with each of the particles below. A. (____) O2 B. (____) CO2 C. (____) PH3 D. (____) NH3 E. (____). NaCl (L) Dispersive Forces [London Forces] (D) Dipole-Dipole Attractiveness (H) Hydrogen Bonding (I) Ionic Bonds **Please answer with explanations**
****** Balance all of the following equations******* Part A Na2CO3(aq)+HCl(aq)→NaCl(aq)+H2O(l)+CO2(g)Na2CO3(aq)+HCl(aq)→NaCl(aq)+H2O(l)+CO2(g) Express your answer as a chemical...
****** Balance all of the following equations******* Part A Na2CO3(aq)+HCl(aq)→NaCl(aq)+H2O(l)+CO2(g)Na2CO3(aq)+HCl(aq)→NaCl(aq)+H2O(l)+CO2(g) Express your answer as a chemical equation. Identify all of the phases in your answer. Part B Submit Request Answer HgO(s)→Hg(l)+O2(g)HgO(s)→Hg(l)+O2(g) Express your answer as a chemical equation. Identify all of the phases in your answer. Part C Submit Request Answer Fe(s)+O2(g)→Fe2O3(s)Fe(s)+O2(g)→Fe2O3(s) Express your answer as a chemical equation. Identify all of the phases in your answer. Part D Submit Request Answer Na(s)+Cl2(g)→NaCl(s)Na(s)+Cl2(g)→NaCl(s) Express your answer as a chemical equation....
Using the equations below: C(s) + O2(g) → CO2(g) AH = -390 KJ Mn(s) + O2(g)...
Using the equations below: C(s) + O2(g) → CO2(g) AH = -390 KJ Mn(s) + O2(g) → MnO2(s) AH = -520 KJ What is the AH (in K)) for the following reaction? MnO2(s) + C(s) + Mn(s) + CO2(g) : AH = ? Hint: Use Hess's law O A. 910 KJ B. -130 KJ C. 130 KJ OD. -910 KJ
1. Circle the aromatic compound NH :NH с D А B 2. Which one of the...
1. Circle the aromatic compound NH :NH с D А B 2. Which one of the following compounds is more raath E
What species are most relevant to Viagra action? A) CO2 B) O2 C) NO D) SO2
What species are most relevant to Viagra action? A) CO2 B) O2 C) NO D) SO2
Which of the following compound(s) is/are chiral?
C=C=CCHE Н CO2OH А B с D only a B and C A and D only B A and B
26) Which of the following samples has the greatest density at STP? A) O2 B) SF6 C) Xe D) CO2 E) All of these samples have the same density at STP.
Using the equations below: C(s) + O2(g) → CO2(g) AH = -390 KJ Mn(s) + O2(g) → MnO2(s) AH = -520 KJ What is the AH (in K)) for the following reaction? MnO2(s) + C(s) + Mn(s) + CO2(g) : AH = ? Hint: Use Hess's law O A. 910 KJ B. -130 KJ C. 130 KJ OD. -910 KJ
1. Circle the aromatic compound NH :NH с D А B 2. Which one of the following compounds is more raath E
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