Can you please help me solve
this, I'm not sure how to solve this one. I will rate well, thank
you!
Homework Answers
molarity = W*1000/G.M.Wt* volume of solution in ml
= 1*1000/337.3*10 = 0.296M
PH = 1/2[Pka-logc]
4.5 = 1/2[PKa-log0.296]
9 = [PKa-log0.296]
9 = Pka +0.53
PKa = 9-0.53 = 8.47
PKa = 8.47
-logKa = 8.47
Ka = 10^-8.47 = 3.4*10^-9
Add Answer to:
Can you please help me solve
this, I'm not sure how to solve this one. I...
Can you please help me solve this, I'm not sure how to do this one. I...
Can you please help me solve
this, I'm not sure how to do this one. I will rate well, thank
you!
Question 9 When 0.0031 moles of a weak acid are dissolved in enough water to make 0.500 L, the pH of the resulting solution is 4.36 Calculate K Incorrect Mark 0.00 out of 1.00 Answer 2.71e-7 Flag question
2555 Consider the solution formed when 500 ang but CH,COOH, a bad-smelling organic acid (formed when...
2555 Consider the solution formed when 500 ang but CH,COOH, a bad-smelling organic acid (formed when butter turns rancid), is dissolved in water to make 100 ml. of solution. The pH of the solution is 2.52. Calculate K and pK, for butyric acid. 15.56 When 1.00 g thiamine hydrochloride (also called vita- min B, hydrochloride) is dissolved in water and then diluted to exactly 10.00 mL, the pH of the resulting solu tion is 4.50. The formula weight of thiamine...
please help me with 15.35 and 15.38 and 15.57 thank you $ $ $ i a...
please help me with 15.35 and 15.38 and 15.57
thank you
$ $ $ i a solution 15.34 Det : $ --.5 X 10M use of the - 15.6 and ะต ion a Solution in which (OH 1 = 8.33 X 10M Determine the hydrogen ion or hydroxide ion concentra- tion in each of the following solutions, as appropriate. (a) a solution in which [ H 0 *) = 9.02 X 10 M b) a solution in which (OH) =...
Hey, help me solve the question and provide me with explanations and calculations. Thank you! Question...
Hey, help me solve the question and provide me with explanations
and calculations. Thank you!
Question 10 OZ Bank in Australia invests in one-year U.S. treasury bond, which pays an interest rate of 10% per annum. Currently, the spot exchange rate is AU$1.25 per US$. What will be the return in the local currency (AU$) for the bank's U.S. Not yet answered treasury bond investment, if the exchange rate changes to AU$1.15 per US$ in one year? Please express your...
Can someone please help me solve these!! Show steps and answer, thank you! I have figured...
Can someone please help me solve these!! Show steps and
answer, thank you!
I
have figured out what the base concentration is for the second
picture. I only need help with finding the volume in the first
picture. What I have posted is all that was given.
ka
is not given, I beleive it has to be found.
A solution of household bleach contains 5.25% sodium hypochlorite, NaOCI, by mass. Assuming that the density of bleach is the same as...
Can you please solve this step by step. I'm not sure how to work this problem...
Can you please solve this step by step. I'm not sure how to work
this problem out. Thank you so much for your time!
20,/Prior to hip replacement surgery, a patient receives an injection of an anticoagulant drug at a dose of 30 mg. Following the patient's surgery, the drug is injected at 1 mg/kg. For a 140-lb patient, calculate the total of the pre-and postsurgical doses
May i get help with question 7 and 8. And will you please make sure i did the rest correctly. If ...
May i get help with question 7 and 8. And will you please make
sure i did the rest correctly. If you zoom in you can see
questions. Thank you sooooo much.
Answer: 30 Dogs sleep an mean of 13 hours a night with a standard deviation of 1 hour (roughly, as per this article). Things are little more hectic at my house. Penny, lovingly referred to as demon puppy, barely sleeps. At best, she sleeps 10 hours a day...
I am having trouble determining the calculations for table 3. Can you please show me how to do th...
i am having trouble determining the calculations for table 3.
Can you please show me how to do the calculations? thank you!
Mass Formula Weight Amount Needed Amount NeededWeighed Chemical Ingredient Formula(g/mol) CO3 03 349 13.2 4 oz. Baking Soda Epsom Salt 2 oz. blo Corn Starch 2 oz. slo v Citric Acid 2 oz. Dried Flower Petals Least amount possible Witch Hazel Soap Colorant 4-6 drops 4-6 drops Essential Oil 119 Coconut Oill 17 g Solution pH Bath Bomb...
Can someone please show me how to solve this through MATLAB? I'm not sure as to...
Can someone please show me how to solve this through MATLAB? I'm
not sure as to how to begin. I need the MATLAB code in which the
arrays are clearly shown. My professor suggested using V=inv(A)*I.
Apply nodal analysis in order to find the voltages at each node.
Thanks!
2k 2mA 12k 6k 3k 6k lmA
I'm not sure how to do the second part of this problem. I'm not sure how...
I'm not sure how to do the second part of this problem. I'm
not sure how to draw the product of the isomers and what the third
one may be. Thank you for the help in advance!!
7:07 PM Mon Mar 30 90% Wittig Final Reportsfors On-Line :D of Liquid+Unknown Wietig Alexis Smith Witting Pre-Lab 1. Complete the chart below with the relevant information for your reagents benzyl bromide 171.041.44 0.0025 mol g/mol g/cm3 triphenyl phosphine 1622 0.0034 mol mol...
Can you please help me solve
this, I'm not sure how to do this one. I will rate well, thank
you!
Question 9 When 0.0031 moles of a weak acid are dissolved in enough water to make 0.500 L, the pH of the resulting solution is 4.36 Calculate K Incorrect Mark 0.00 out of 1.00 Answer 2.71e-7 Flag question
2555 Consider the solution formed when 500 ang but CH,COOH, a bad-smelling organic acid (formed when butter turns rancid), is dissolved in water to make 100 ml. of solution. The pH of the solution is 2.52. Calculate K and pK, for butyric acid. 15.56 When 1.00 g thiamine hydrochloride (also called vita- min B, hydrochloride) is dissolved in water and then diluted to exactly 10.00 mL, the pH of the resulting solu tion is 4.50. The formula weight of thiamine...
please help me with 15.35 and 15.38 and 15.57
thank you
$ $ $ i a solution 15.34 Det : $ --.5 X 10M use of the - 15.6 and ะต ion a Solution in which (OH 1 = 8.33 X 10M Determine the hydrogen ion or hydroxide ion concentra- tion in each of the following solutions, as appropriate. (a) a solution in which [ H 0 *) = 9.02 X 10 M b) a solution in which (OH) =...
Hey, help me solve the question and provide me with explanations
and calculations. Thank you!
Question 10 OZ Bank in Australia invests in one-year U.S. treasury bond, which pays an interest rate of 10% per annum. Currently, the spot exchange rate is AU$1.25 per US$. What will be the return in the local currency (AU$) for the bank's U.S. Not yet answered treasury bond investment, if the exchange rate changes to AU$1.15 per US$ in one year? Please express your...
Can someone please help me solve these!! Show steps and
answer, thank you!
I
have figured out what the base concentration is for the second
picture. I only need help with finding the volume in the first
picture. What I have posted is all that was given.
ka
is not given, I beleive it has to be found.
A solution of household bleach contains 5.25% sodium hypochlorite, NaOCI, by mass. Assuming that the density of bleach is the same as...
Can you please solve this step by step. I'm not sure how to work
this problem out. Thank you so much for your time!
20,/Prior to hip replacement surgery, a patient receives an injection of an anticoagulant drug at a dose of 30 mg. Following the patient's surgery, the drug is injected at 1 mg/kg. For a 140-lb patient, calculate the total of the pre-and postsurgical doses
May i get help with question 7 and 8. And will you please make
sure i did the rest correctly. If you zoom in you can see
questions. Thank you sooooo much.
Answer: 30 Dogs sleep an mean of 13 hours a night with a standard deviation of 1 hour (roughly, as per this article). Things are little more hectic at my house. Penny, lovingly referred to as demon puppy, barely sleeps. At best, she sleeps 10 hours a day...
i am having trouble determining the calculations for table 3.
Can you please show me how to do the calculations? thank you!
Mass Formula Weight Amount Needed Amount NeededWeighed Chemical Ingredient Formula(g/mol) CO3 03 349 13.2 4 oz. Baking Soda Epsom Salt 2 oz. blo Corn Starch 2 oz. slo v Citric Acid 2 oz. Dried Flower Petals Least amount possible Witch Hazel Soap Colorant 4-6 drops 4-6 drops Essential Oil 119 Coconut Oill 17 g Solution pH Bath Bomb...
Can someone please show me how to solve this through MATLAB? I'm
not sure as to how to begin. I need the MATLAB code in which the
arrays are clearly shown. My professor suggested using V=inv(A)*I.
Apply nodal analysis in order to find the voltages at each node.
Thanks!
2k 2mA 12k 6k 3k 6k lmA
I'm not sure how to do the second part of this problem. I'm
not sure how to draw the product of the isomers and what the third
one may be. Thank you for the help in advance!!
7:07 PM Mon Mar 30 90% Wittig Final Reportsfors On-Line :D of Liquid+Unknown Wietig Alexis Smith Witting Pre-Lab 1. Complete the chart below with the relevant information for your reagents benzyl bromide 171.041.44 0.0025 mol g/mol g/cm3 triphenyl phosphine 1622 0.0034 mol mol...
Most questions answered within 3 hours.
-
In C++ Programming, Try using loops only.
This lab demonstrates the use of the While Loop...
asked 9 minutes ago -
Effect of DCMU and sodium azide on Chlamydomonas? We did an
experiment where we had Chlamydomonas...
asked 49 minutes ago -
1a) According to the ideal gas law, _______________.
a. a gas has infinite volume at absolute...
asked 2 hours ago -
Oakdale Fashions, Inc. had $245,000 in 2018 taxable income.
Using the tax schedule in Table 2.3...
asked 2 hours ago -
The marketing class at CSUS had an average score of 150. An
educational analyst determined that...
asked 4 hours ago -
Justin Case has purchased a $250 000 home by putting 20 % down
and taking out...
asked 4 hours ago -
1. In a labor market, marginal cost for a firm is
____________.
a. recruiting cost
b....
asked 4 hours ago -
On January 1, 2019, ABC Company issued $60,000,000 of 20-year,
10.5% bonds when the market rate...
asked 5 hours ago -
39.4% of US homes continue to use a landline in addition to cell
phone service. 3...
asked 5 hours ago -
Starting with benzene, synthesize 1-phenyl-1-butyne.
Show intermediates and reagents.
asked 6 hours ago -
Create a 32-run crossed array design with six control factors
and two noise factors such that...
asked 7 hours ago -
A 500g sample of sand from source A has the following amounts
retained on each sieve....
asked 7 hours ago