Question

Part A Calculate the reaction energy Q for the reaction p+31H?21H+21H. Express your answer using four...

Part A

Calculate the reaction energy Q for the reaction p+31H?21H+21H.

Express your answer using four significant figures.

Part B

Part complete

Is this reaction exoergic or endoergic?

endoergic-->correct
exoergic
Science   Physics   
0 0
Add a commentTranscribed image text
Next >

Homework Answers

Answer #1

0 0
Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Log In

Sign Up

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
Part A Part complete Choose the missing nucleus in the following reaction: 23292U??+42He+energy. 22890Th 22888Ra 22690Th...
Part A Part complete Choose the missing nucleus in the following reaction: 23292U??+42He+energy. 22890Th 22888Ra 22690Th 22688Ra SubmitPrevious Answers Correct Part B Calculate how much energy is released. Express your answer using three significant figures and include the appropriate units. Q = 7.547.54 MeVMeV
Problem 16.45 Part A Calculate [OH−] for 1.0×10−3 M Sr(OH)2. Express your answer using two significant...
Problem 16.45 Part A Calculate [OH−] for 1.0×10−3 M Sr(OH)2. Express your answer using two significant figures. [OH−] = 2.0×10−3   M   SubmitMy AnswersGive Up Correct Part B Calculate pH for 1.0×10−3 M Sr(OH)2. Express your answer using two decimal places. pH = 11.30 SubmitMy AnswersGive Up Correct Part C Calculate [OH−] for 2.500 g of LiOH in 220.0 mL of solution. Express your answer using four significant figures. [OH−] = 0.4745   M   SubmitMy AnswersGive Up Correct Significant Figures Feedback: Your...
Part A Mass, in grams, of 0.145 mol sucrose (C12H22O11 ). Express your answer using three...
Part A Mass, in grams, of 0.145 mol sucrose (C12H22O11 ). Express your answer using three significant figures Part B Moles of Zn(NO3)2 in 141.50 g of this substance. Express your answer using four significant figures. Part C Number of molecules in 7×10−6 mol CH3CH2OH . Express your answer using four significant figures. Part D Number of N atoms in 0.650 mol NH3 . Express your answer using three significant figures.
An object has a total energy that is 2.8 times its rest energy. Part A Part...
An object has a total energy that is 2.8 times its rest energy. Part A Part complete What is its speed? Express your answer using two significant figures. v = 0.93   c   SubmitPrevious Answers Correct Part B What is the ratio of the object’s relativistic kinetic energy to its rest energy? Express your answer using two significant figures.
Calculate the [H3O+] of the following polyprotic acid solution: 0.400 M H3PO4. Express your answer using...
Calculate the [H3O+] of the following polyprotic acid solution: 0.400 M H3PO4. Express your answer using two significant figures. [H3O+] = . Part B Calculate the pH of this solution. Express your answer using one decimal place. pH = Part C Calculate the [H3O+] and pH of the following polyprotic acid solution: 0.370 M H2C2O4. Express your answer using two significant figures. [H3O+] = Part D Calculate the pH of this solution. Express your answer using two decimal places.
N2H2 Express your answer using four significant figures.
N2H2 Express your answer using four significant figures.
CaO(s)−−−−−−+CO2(g)→CaCO3(s) Express your answer using two significant figures. For each reaction, calculate the mass (in grams)...
CaO(s)−−−−−−+CO2(g)→CaCO3(s) Express your answer using two significant figures. For each reaction, calculate the mass (in grams) of the product formed when 2.9 g of the underlined reactant completely reacts. Assume that there is more than enough of the other reactant. Ba(s)−−−−−+Cl2(g)→BaCl2(s) Express your answer using two significant figures. 2Mg(s)−−−−−+O2(g)→2MgO(s) Express your answer using two significant figures. 4Al(s)−−−−−+3O2(g)→2Al2O3(s) Express your answer using two significant figures.
4. Calculate ΔS∘ at 25 ∘C for each of the following reactions. Part A 2S(s)+3O2(g)→2SO3(g) Express...
4. Calculate ΔS∘ at 25 ∘C for each of the following reactions. Part A 2S(s)+3O2(g)→2SO3(g) Express your answer using four significant figures. Part C SO3(g)+H2O(l)→H2SO4(aq) Express your answer using four significant figures. Part E AgCl(s)→Ag+(aq)+Cl−(aq) Express your answer using four significant figures. Part G NH4NO3(s)→N2O(g)+2H2O(g) Express your answer using four significant figures.
Calculate the pH in 0.23 M HCO2H (Ka=1.8×10−4). Express your answer using two decimal places. pH...
Calculate the pH in 0.23 M HCO2H (Ka=1.8×10−4). Express your answer using two decimal places. pH = 2.20 SubmitMy AnswersGive Up Correct Part B Calculate the concentrations of all species present (HCO2H, HCO−2, H3O+, and OH−) in 0.23M HCO2H . Express your answers using two significant figures. Enter your answers numerically separated by commas. [HCO2H], [HCO−2], [H3O+],[OH−] =   M SubmitMy AnswersGive Up Part C Also calculate the percent dissociation. Express your answer using two significant figures.
Consider the following reaction: PbCO3(s)←−→PbO(s)+CO2(g) Part A: Using data in Appendix C in the textbook, calculate...
Consider the following reaction: PbCO3(s)←−→PbO(s)+CO2(g) Part A: Using data in Appendix C in the textbook, calculate the equilibrium pressure of CO2 in the system at 440 ∘C. Express your answer using two significant figures. Part B: Using data in Appendix C in the textbook, calculate the equilibrium pressure of CO2 in the system at 250 ∘C. Express your answer using two significant figures.
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT