These are three questions i dont understand please help me in all of them
These are three questions i dont understand please help me in all of them 2) For...
HI CAN SOMEONE PLEASE HELP ME WITH THIS 2 QUESHTIONS. I dont understand them how I got them wrong please. 1. Dmitri Mendeleeve's chart of elements: A. was used as a calendar B.placed elements together with similar properties C.shifted the elements to fill in the gaps D.had many defects because of unknown elements 2. Temperature is a measure of the heat content of an object True or False
Hey! Can you please help me with the following two questions I am highly confused and I don't really understand them at all. Thank you!! 16, Please help me with them, we have a test this thursday and problems that are similar are supposed to be on there. Thank you so much!!! 1.Calculate the pH of a 0.119 M aqueous solution of hydroxylamine (NH2OH, Kb = 9.1×10-9) and the equilibrium concentrations of the weak base and its conjugate acid. pH...
i dont know if i did this correctly and i hope someone can help me. *COULD YOU CHECK THE DATA TABLE AND ANSWER THE 2 QUESTIONS BELOW* 1. write the net ionic equation for neutralization of HCL by the buffer? 2. write the net ionic equation for neutralization of NaOH by the buffer. Buffer: 0.080 M Acid/0.040 M Conjugate Base Formula ofsolid Bronsted acid Natt (eg Mass of acid required to prepare 100 mL of 0.080 M solution 672 Calculations...
please i need quick help these questions are due so soon and i dont know the answers please help me thanks . Question Completion Status: QUESTION Consider the following acid-base reaction. Equilibrium for this reaction lies to the: OH H-CEC + H-CEC-H + A. right. B. Equilibrium favors neither forward nor reverse reaction. O C. left. D. It cannot be determined. QUESTION 2 Does the equilibrium of this reaction lie to the left or right? BF OH BF3 + A,...
Please do all of them I have no more questions remain to ask so please do all of them I would really appreciate it I do Rate Please do all of them :) I really need help doing my hw I don't understand it please help me Clam rences] 1 pt Use the References to access important values if needed for this question. 1 pt Oxides can react with water to form acids or bases. Identify each of the following...
Please help me understand the resonance possibliites with the marked questions! not sure what im doing wrong 60 CHAPTER ACID-BASE REACTIONS PROBLEMS 3.12 Which one is more acidir 37 Compare the two highlighted protons and determine which one isme Conjugate base 1 Conjugate base 2 3.3 F Let's com 3.8 Compare the two highlighted protons and determine which one is more acid Conjugate base 1 Conjugate base 2 Which co the protor 3.9 Compare the two highlighted protons and determine...
please answer all parts part 1 part 2 (c) part 3 Designate the Bronsted-Lowry acid and the Bronsted-Lowry base on the left side of each equation, and also designate the conjugate acid and conjugate base on the right side. (a) H2O(0) + HPO 2(aq) = OH(aq) + H2PO4 (aq) H2O OB-L acid B-L base conj. acid conj. base HPO, 2- OB-Lacid B-L base conj. acid con base он B-L add B-L base conj, acid conj, base НРО B-L acid B-L...
Hi I need help to understand what to do in this questions I have imported the file using mongodimport but I dont know the rest can someone please help me to understand and give me some examples of the way to make the commands to work. To complete this step, type in the following Linux commands to perform the import in the right directory: ../startMongod.sh #first step will always be to start mongo cd datasets/ #change into the directory with...
I dont understand column 2 and 4 from Sn1 and Sn2 reactions. Please help me. Thank You 1: lete this 170 pts) CHEM 2101 -Swi vs. Sw2 Reactions Insert the product (structure) for the appropriate reaction in colum other columns with the appropriate information appropriate reaction in columns 2 and 4. Fill in the 2 5 3 Nal + AgNO3+ Time to Acetone Ethanol (S1) appear (Write the (Write the structure cloudiness Compound below) (Min) below) SN2 ppt/ Time to...
can some one help me explain this please? I dont understand it Python 3.6 (known limitations) 1 mashup=(2, 'abc', 1, 'def'] 2 x=mashup[1][0] 3 print(x) Edit this code xecuted