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Calculate the molar H3O+ ion concentration of a solution if
Calculate the molar H3O+ ion concentration of a solution if the OH- ion concentration is(a) 1.5×10-4M M (b) 1.0×10-7M M (c) 1.0×10-12M M (d) 1.0×10-10M M… read more
Tom Piscaer
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Master's Degree
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3. Considering that vinegar is acidic, which component is
3. Considering that vinegar is acidic, which component is more basic? A) Baking soda B) Baking powder 4. Baking powder contains both an acid and a base in it. Which of the following best describes why… read more
R.R. Jha
R.R. Jha
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34. Which one of the following is not characteristic of a carboxylic
34. Which one of the following is not characteristic of a carboxylic acid? A. tastes sour B. aromatic C. contains the –CO2H group D. produced from the oxidation of primary alcohols 35. Which one of th… read more
R.R. Jha
R.R. Jha
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1. The Ka for benzoic acid is 6.5 x 10^-5. Calculate the pH
1. The Ka for benzoic acid is 6.5 x 10^-5. Calculate the pH of a 0.10 M benzoicacid solution. Benzoic acid is a weak acid? 2. A 0.040 M solution of a monoprotic acid is 14 percent ionized. Calculate t… read more
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R.R. Jha
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13. Autoionization is a process that occurs in water. The
13. Autoionization is a process that occurs in water. The equation for this reaction is: 2H20 H3O+ + OH- However, chemists often use the shortened way to write this as: H2O H+ + OH- Both reactions hav… read more
R.R. Jha
R.R. Jha
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According to Arrhenius, who first identified the particular
According to Arrhenius, who first identified the particular components of acids and bases, an acid is a compound that produces A. H+ in benzene B. OH- in water C. H+ in water D. OH- in benzene 2. The … read more
R.R. Jha
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Considering that vinegar is acidic, which component is more
Considering that vinegar is acidic, which component is more basic? A) Baking soda B) Baking powder 4. Baking powder contains both an acid and a base in it. Which of the following best describes why a … read more
R.R. Jha
R.R. Jha
Bachelor's Degree
6,465 satisfied customers
According to Arrhenius, who first identified the particular
According to Arrhenius, who first identified the particular components of acids and bases, an acid is a compound that produces A. H+ in benzene B. OH- in water C. H+ in water D. OH- in benzene 2. The … read more
R.R. Jha
R.R. Jha
Bachelor's Degree
6,465 satisfied customers
When a solutions pH 3.2 its pOH A. 3.2 also B. 14.0 C. 7.0 D. 10.8 Wha
When a solution's pH = 3.2 its pOH = A. 3.2 also B. 14.0 C. 7.0 D. 10.8 What is the pH of a solution whose [H+] is equal to 1.0 X 10-3 M? A. 3 B. -3 C. 6 D. -6 If a solution has a pH of 13 it will hav… read more
R.R. Jha
R.R. Jha
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Question 1 (Multiple Choice Worth 10 points) What factors
Question 1 (Multiple Choice Worth 10 points) What factors determine the rate of a reaction ? nature of reactant concentration of reactant activation of energy all of these ----------------------------… read more
namstech
namstech
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Chemistry help, The concentration of hydronium ions in
Chemistry help, The concentration of hydronium ions in an aqueous solution is 6.43*10^-5 M. Calculate the pH of the solution.… read more
Maheem
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SAFA 25. The standard reduction potentials for Cr2+(aq) and
SAFA 25. The standard reduction potentials for Cr2+(aq) and Sn2+(aq) are -0.91 V and -0.14 V, respectively. Cr+2 + 2 e- ? Cr E°red = -0.91V Sn+2 + 2 e- ? Sn E°red = -0.14V Which element, chromium or t… read more
Safa Khan
Safa Khan
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safa plz 15. If X is the molar solubility of a salt, which
safa plz 15. If X is the molar solubility of a salt, which of the following solubility product expressions is correct? A.BaSO4, Ksp = 16X2 B. CuCO3, Ksp = 9X2 C. Ag2CO3, Ksp = 4X3 D. Ag3PO4, Ksp = X4 … read more
Safa Khan
Safa Khan
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The OH- ion concentration in apricots, asparagus, and banana
The OH- ion concentration in apricots, asparagus, and banana solutions are approximately 6.3 x 10-11 M, 4.0 x 10 - 10M respectively. Based on these OH- ion concentrations, estimate the pH of apricot, … read more
R.R. Jha
R.R. Jha
Bachelor's Degree
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based on the estimate pH of each liquid household product you
based on the estimate pH of each liquid household product you analyzed in Part IV of this experiment Estimate the H3O+ and OH- ion concentration in each product Antacid 7 Vinegar 3 lemon juice 2 bleac… read more
R.R. Jha
R.R. Jha
Bachelor's Degree
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someone has posted the same assignment on here so i will send
someone has posted the same assignment on here so i will send you the link i rater work with you. I need a good chemistry teacher. I want to go to med school and I need chemistry. Hydrocarbons contain… read more
David Scrafton
David Scrafton
Doctor
Master's Degree
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Given Ka values of 4.8 x 10-10 and 6.8 x 10-4 for HCN and HNO2
Given Ka values of 4.8 x 10-10 and 6.8 x 10-4 for HCN and HNO2 respectively, calculate the equilibrium constant for the following reaction: HCN + NO2- ? CN- + HNO2 A) 7.05 x 10-7 B) 3.26 x 10-14 C) 1.… read more
KErickson
KErickson
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Doctoral Degree
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1. What is the [H+] concentration in a urine sample that has
1. What is the [H+] concentration in a urine sample that has a pH of 6? A) 10-6 M B) 10-8 M C) 106 M D) 10-14 M E) 8 M 2. Why does DNA disassociate when the pH is raised above 9? A) Protons dissociate… read more
Chem&Math
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