I thought it was 1 but apparently that's wrong
I thought it was 1 but apparently that's wrong Part A [Co(OH)8]4 IVO ACOM O ?...
Chem1B-81638-Fall19 RhCl] I AM * ? unpaired electron(s) Submit Request Answer Part B (Co(OH))" AEP OR? unpaired electron(s) Submit Request Answer Part C cis - [Fe(en), (NO),] V AED - O ?
I only need help with part B and that's it. I got it wrong
:(
How much work W must be done on a particle with a mass of m to accelerate it from rest to a speed of 0.902 c ? Express your answer as a multiple of mc2 to three significant figures. View Available Hint(s) W = 1.32 mc Submit Previous Answers Correct Part B How much work W must be done on a particle with a mass...
this is part 1. What am i doing wrong? Attached my previous
answers
part 2
Part B Calculate the molar solubility of Ni(OH), when buffered at pH = 10.3. Express your answer using one significant figure. O A 0 2 ? 1.0 • 10-8 Submit Previous Answers Request Answer X Incorrect; Try Again; 3 attempts remaining Submitted Answers ANSWER 1: Deduction: -3% 1.51-10-* M You are given a pl value, which can be used to calculate the OH . This...
its wrong I don't know why... if I entered it wrong
any of you guys know what I should put it in the box?
Identify the daughter nucleus when the following undergo alpha decay: Part A 224 88 Submit Previous Answers Request Answer Incorrect; Try Again Part B 208 Submit Previous Answers Request Answer Incorrect; Try Again Part C 239 ABC123: 14 . qwertyuop a 5 d f g h i k I I t ? * Ê ý b...
I don't understand what I'm missing:
pH=-log(1.85x10-5)+log(.49/.65)
= 4.69728
=4.70 (right?)
Part B What is the pH of a solution that is 0.49 M in sodium acetate and 0.65 M in acetic acid? (for acetic acid K, is 1.85x10.) IVO ACOM O a ? 4.71 O Check the rounding in your final answer. No credit lost. Try again. Submit Previous Answers Request Answer
Calculate:
Part A) [H+] for [OH−]=3.5×10^-4 M Express your
answer using two significant figures.
Part B) [H+] for [OH−] =8.4×10^-9 M Express
your answer using two significant figures.
Part C) Calculate [H+] for a solution in which [OH−] is 100
times greater than [H+].
Please show how you solved it, thanks!
Part A Calculate (H+] for Express your answer using two significant figures. VO AED ? Submit Previous Answers Request Answer X Incorrect; Try Again; 5 attempts remaining The ion-product...
Part C 1 mole of Ca2+ Express your answer as an integer. IVO ALP Submit Request Answer Part D 4 moles of CO Express your answer as an integer. V AEO Submit Request Answer Provide Feedback
Write out the equilibrium expression for dissolution of Ca(OH)2(s). = ADC [Ca2+ ][OH]? That's not quite right. Please check your formatting and try again. No credit lost. Try again. Submit Previous Answers Request Answer
A spring with spring constant 250 N/m hangs from the ceiling. James Bond attaches a block of mass 0.5 kg to the unstretched spring and releases it from rest. Part A How far below the starting point does the block fall before coming momentarily to rest? IVO ACOM O O ? 5.88 Submit Previous Answers Request Answer X Incorrect; Try Again; 2 attempts remaining Part B What is the maximum speed the block will reach as it falls? IVO AQ...
Calculate the pH of each solution.
Part A) [OH-] = 9.9x10^-7 M
Part B) [OH-] = 3.6x10^-8 M
Part C) [OH-] = 7.2x10^-11 M
Part D) [OH-] = 9.5x10^-2 M
My Delve - Google Dr. < Chapter 14 HW Exercise 14.73 Calculate the pH of each solution Part A (OH) = 9.9x10-7M Express your answer using two decimal places. N AEV O Submit Request Answer Part B [OH - 3.6x10-M Express your answer using two decimal places. 0 AED +...