need help solving/answering this question ASAP. 1.) please explain the bond between Chlorine atoms and Chlorine...
I need help answering the following question in paragraph form. Please explain fully the below question. 1.When do you use a rotary evaporator on your solution?
help please asap please Question 36 (1 point) What is the pH of a buffer made by combining 0.114 M nitrous acid and 0.204 M sodium nitrite? The Ka of nitrous acid, HNO2, is 4.5*10-4 Your Answer: Answer Question 35 (1 point) Which salt produces a basic solution when dissolved in water? FeCl3 NaNO2 NH4Br KCI Question 34 (1 point) Between HCIO3 and HIO3, which is stronger and why? OHCIO3 is stronger because chlorine is more electronegative than iodine. HCIO3...
Can someone please help me solve these, please show work/explanation and answer! I only need help with d and e for number 7. Then I do not know how to do 14 and 15. 7. Determine the pH of the following solutions 0.040 M HCI а. www b. 0.040 M КОН 0.0087 М НСIO С. 0.010 M CH3NH2 (methylamine) d. 0.018 M NaF е. 14. Write the species in solution for the following mixtures. Identify each as a weak/strong acid,...
please I need help with this questions SNL 4) Classify each of the following as non-ionized, partially-ionized, or ionized. Write each compound as it exists in aqueous solution e.g. NaCl(aq) → Na' (aq) + Cl(aq) HCl(aq) - a strong acid Ca(OH)2 (aq) - a strong base HC,H,O, (aq) - a weak acid Ba(OH)2 (aq) - a weak base 5) For the chemical reaction H2SO, (aq) + 2 NaOH(aq) → Na2SO. (aq) + 2 H20 (1) Write the complete ionic equation:...
help asap please Question 8 (1 point) For the decomposition of mercury(II) oxide, Hgo, to mercury and oxygen: 2HgO(s) → 2Hg() + O2(g) What is the standard change in entropy for this reaction? Sº / J-mol-4K-1 HgO(s) 70.29 Hg(1) 76.02 O2(g) 205.14 351.45 J-K-1 58.83 J-K-1 O 216.60 JK-1 210.87 J-K-1 Question 7 (1 point) Which process would be predicted to have AS < 0? O a solid melting O a solution being made a solid compound decomposing to evolve...
I need help being walked through each part please lel 4: Electrophiles Il that an electrophile (E) is a Lewis Acid which accepts electrons. HO C H,Br (ChalCH CH3NH2 stions: For the compounds listed in Model 4: (a) Circle the compounds that could act as electrophiles, cross out those that would not (b) Explain why the compounds circled could act as electrophiles. (c) What feature must all electrophiles have? (d) Once your group has reached consensus, come up with an...
i need help answering this question in full paragraph please . typed and not hand written 2. What is necessary in an enzyme's active site in order for a symmetric molecule to react asymmetrically with the enzyme? Please provide an example of this phenomenon using an enzyme from the citric acid cycle.
need help asap please Question 19 (1 point) The specific heat at constant pressure at 0°C of one mole of an ideal diatomic gas is R. (3/2) (1/2) O (7/2) (5/2)
please help After answering these questions, enter your answers in Bb The system has been setup for 2 attempts. If for any reason, the system fails, write your answers on this page, tear out the page from the manual and give this to your TA before prelab lecture starts. You are allowed up to two paper submission per quarter. 1. What is the proper reading of the buret shown? Question 1 answers 20.5 ml 19.44 ml 19.5 ml 19.6 mL...
Please I need help with this question ASAP. Show all work. Thanks Aminopyralid (CaH,CL,N,o) is a chlorine-containing contaminant that can also be reduced using zero-valent iron and zero-valent zinc in situ Write the redox reaction for the reduction of aminopyralid by either iron or zinc