Homework Help for Chemistry

The electronic configuration is: 

σ1s 2 σ1s*2  σ2s 2 σ2s*2 σ2p 2π2p4 π2p*4

Total Number of antibonding electrons in the shown molecular orbital diagram

The magnetism is 

Total Number of Bonding electrons in the shown molecular orbital diagram

The molecular orbital diagram is for Ne22+

Consider this molecular diagram and match the following questions with the best answer

35도에서 아세트산의 이온화상수를 추정하라

What is the formula of Charles and Boyle law

CH4 full iupac name 

give me the detailed 2-bromothiophene + Mg + CO2 +H reaction 

Use the reaction energy diagram above to answer the following questions.

Calculate the activation energy, ΔG, for the step B to A.  kcal/mol

Calculate the overall energy change, ΔG°, for the process C to B.  kcal/mol

Which step is faster, (a) A to B or (b) C to B

Use the reaction energy diagram above to answer the following questions.

Calculate the activation energy, ΔG, for the step C to D.  kcal/mol

Calculate the overall energy change, ΔG°, for the process A to B.  kcal/mol

Which step is faster, (a) C to D or (b) C to B? 

ab

For the reaction below:

a. Estimate the gas phase enthalpy change using bond dissociation enthalpies from the OWL Table Reference, not data from your text. Click the References button and then click the Tables link on the drop-down that appears. Include algebraic sign and units. 

fill in the blank 1

b. Is the reaction exothermic or endothermic? 

exoendoneither

c. Is the reaction likely to proceed spontaneously in the direction written? 

yes no uncertain 

For the reaction below:

a. Estimate the gas phase enthalpy change using bond dissociation enthalpies from the OWL Table Reference, not data from your text. Click the References button and then click the Tables link on the drop-down that appears. Include algebraic sign and units. 

fill in the blank 1

b. Is the reaction exothermic or endothermic? 

c. Is the reaction likely to proceed spontaneously in the direction written? 

Draw the products of the reaction shown. Electron flow is indicated with curved arrows.

Draw the products of the reaction shown. Electron flow is indicated with curved arrows.

The hydrogen atom can absorb light of wavelength 1094 nm. Determine the initial value of n associated with this absorption in the infrared region.     

Solve for the number of molecules of SiO2 with a mass of 40.9g

Explain the following

Diamond, graphite and fullerenes are crystalline forms of carbon