Homework Answers
Add Answer to:
Please help me get full points for test correction!
15. If the pH of pure water...
Please walk me step by step on how to get the calculated pH for the weak...
Please walk me step by step on how to get the calculated pH
for the weak acid. I dont understand this at all and really need
step by step not just a brief explanation. Thank you
A pH of Acid Solutions: 1. Strong Acid Measured pH [HCI), 1.48 0.10M [HCI), 2.17 0.010M Molarity (0.0 (1.0) -M2 (10.00 Calculated pH 1.00 2.00 10o = 0.01 -log(0.01)=2 [HC,H,O, Kas 1.8x10s Weak Acid Measured pH [HC,H,O, 3.44 0.01M Molarity 0.10M Calculated pH Compare...
please help me This question has multiple parts. Work all the parts to get the most...
please help me
This question has multiple parts. Work all the parts to get the most points. Calculate the solubility (in moles per liter) of Fe(OH)3 (Ksp = 4 x 10-58) in each of the following. a water Solubility = mol/L b a solution buffered at pH 6.0 mol/L Solubility C a solution buffered at pH = 10.0 Solubility = mol/L A 55.0-ml sample of 0.00150 M AgNO, is added to 55.0 ml. of 0.0300 M Nalog. What is the...
Help please and show all work! Problem Set 14 CHEM 1252 November 4, 2019 4. At...
Help please and show all work!
Problem Set 14 CHEM 1252 November 4, 2019 4. At 25 °C, K= 1.0 x 10-14, while at 0 °C, K= 1.2 x 10-15 (a) Explain whether water becomes a stronger or weaker acid as temperature decreases. (b) Write the equilibrium constant expression for the ionization of water to hydronium ion and hydroxide and calculate the concentrations of [H3O*] and [OH in pure water at 0 °C. (c) An aqueous solution at 25 °C...
Use SPSS for this exam, be sure to include all the following information to get full credits: (1) null and alternative hypotheses (15%) (2) nameofthe test(15%, explain why you chose it) (3) th...
Use SPSS for this exam, be sure to include all the following information to get full credits: (1) null and alternative hypotheses (15%) (2) nameofthe test(15%, explain why you chose it) (3) thetest statistic and its degree offreedom or ANOVAtable(if applicable) (30%! (4) p-value (15%), and (5) scientific conclusion (25%, using 0.05 significance). 1. Ostriches live in hot environments, and they are normally exposed to the sun for long periods Mammals in similar environments have special mechanisms for reducing the...
please help me out! Effect of pH - Tube 7: 1 ml catalase + pH 3.0...
please help me out!
Effect of pH - Tube 7: 1 ml catalase + pH 3.0 solution - Tube 8: 1 ml catalase + ph 7.0 solution - Tube 9: 1 ml catalase + pH 11.0 solution - incubate at room temp for one minute - add 3 ml H,O, to each tube and mix Question #7: This catalase came from a potato. Like most living organisms, potatoes are water-based. State the NUMBER of the ONE tube that is likely...
Hi, please help me with this problem, please explain me step by step and write with very good cal...
Hi, please help me with this problem, please explain me step by step and write with very good calligraphy. Solve the next problems: * Water is heated in a horizontal tube. Water enters at a rate of 6 lbm / s and 60 ° F and is heated to 300 ° F. The water flows through an aluminum tube of 3 in diameter. The pipe is heated by an electric resistance ratio of 405Btu / h per foot of pipe...
I am studying material science in engineering. Please help me solve this as I am in...
I am studying material science in engineering. Please help me
solve this as I am in need of help.
Please explain this step by step with proper solutions.
Thanks alot
The quenching of steels 800 Eutectoid temperature 400 700 1200 600 1000 500 2 8 400 800 M A 400 M (50%) 100 200 0 102 Time Is) 10 103 104 Referring to the TTT diagram above 2.1 Describe the microstructure that results from i) Cooling rapidly to 560°C, holding...
please help me with all the steps. 15. Which of the following mixtures would result in...
please help me with all the steps.
15. Which of the following mixtures would result in a buffered solution? a. Mixing 100.0 mL of 0.100 M HCl with 100.0 mL of 0.100 M NaOH. b. Mixing 100.0 mL of 0.100 M NH3 (K5=1.8 x 10-5) with 100.0 mL of 0.100 M NaOH. c. Mixing 100.0 mL of 0.100 M HCl with 100.0 mL of 0.100 M NH; (K =18x 10 %. d. Mixing 50.0 mL of 0.100 M HCl with...
i need this in C# please can any one help me out and write the full...
i need this in C# please can any one help me out and write the full code start from using system till end i am confused and C# is getting me hard.I saw codes from old posts in Chegg but i need the ful complete code please thanks. Module 4 Programming Assignment – OO Design and implementation (50 points) Our Battleship game needs to store a set of ships. Create a new class called Ships. Ships should have the following...
will you please help me with 7 and 8? 18 15 = 7. A 0.1036 g...
will you please help me with 7 and 8?
18 15 = 7. A 0.1036 g sample of solid magnesium is burned in a constant-volume bomb calorimeter that has a heat capacity of 3024 J/ °C. The calorimeter contains exactly 200 g of water, and the temperature increases by 0.913 °C. Calculate the heat given off by the burning Mg in kJ/mol. BOX OOD FS 1620 8. Calculate the heat of combustion for the following reaction from the standard enthalpies...
Please walk me step by step on how to get the calculated pH
for the weak acid. I dont understand this at all and really need
step by step not just a brief explanation. Thank you
A pH of Acid Solutions: 1. Strong Acid Measured pH [HCI), 1.48 0.10M [HCI), 2.17 0.010M Molarity (0.0 (1.0) -M2 (10.00 Calculated pH 1.00 2.00 10o = 0.01 -log(0.01)=2 [HC,H,O, Kas 1.8x10s Weak Acid Measured pH [HC,H,O, 3.44 0.01M Molarity 0.10M Calculated pH Compare...
please help me
This question has multiple parts. Work all the parts to get the most points. Calculate the solubility (in moles per liter) of Fe(OH)3 (Ksp = 4 x 10-58) in each of the following. a water Solubility = mol/L b a solution buffered at pH 6.0 mol/L Solubility C a solution buffered at pH = 10.0 Solubility = mol/L A 55.0-ml sample of 0.00150 M AgNO, is added to 55.0 ml. of 0.0300 M Nalog. What is the...
Help please and show all work!
Problem Set 14 CHEM 1252 November 4, 2019 4. At 25 °C, K= 1.0 x 10-14, while at 0 °C, K= 1.2 x 10-15 (a) Explain whether water becomes a stronger or weaker acid as temperature decreases. (b) Write the equilibrium constant expression for the ionization of water to hydronium ion and hydroxide and calculate the concentrations of [H3O*] and [OH in pure water at 0 °C. (c) An aqueous solution at 25 °C...
Use SPSS for this exam, be sure to include all the following information to get full credits: (1) null and alternative hypotheses (15%) (2) nameofthe test(15%, explain why you chose it) (3) thetest statistic and its degree offreedom or ANOVAtable(if applicable) (30%! (4) p-value (15%), and (5) scientific conclusion (25%, using 0.05 significance). 1. Ostriches live in hot environments, and they are normally exposed to the sun for long periods Mammals in similar environments have special mechanisms for reducing the...
please help me out!
Effect of pH - Tube 7: 1 ml catalase + pH 3.0 solution - Tube 8: 1 ml catalase + ph 7.0 solution - Tube 9: 1 ml catalase + pH 11.0 solution - incubate at room temp for one minute - add 3 ml H,O, to each tube and mix Question #7: This catalase came from a potato. Like most living organisms, potatoes are water-based. State the NUMBER of the ONE tube that is likely...
I am studying material science in engineering. Please help me
solve this as I am in need of help.
Please explain this step by step with proper solutions.
Thanks alot
The quenching of steels 800 Eutectoid temperature 400 700 1200 600 1000 500 2 8 400 800 M A 400 M (50%) 100 200 0 102 Time Is) 10 103 104 Referring to the TTT diagram above 2.1 Describe the microstructure that results from i) Cooling rapidly to 560°C, holding...
please help me with all the steps.
15. Which of the following mixtures would result in a buffered solution? a. Mixing 100.0 mL of 0.100 M HCl with 100.0 mL of 0.100 M NaOH. b. Mixing 100.0 mL of 0.100 M NH3 (K5=1.8 x 10-5) with 100.0 mL of 0.100 M NaOH. c. Mixing 100.0 mL of 0.100 M HCl with 100.0 mL of 0.100 M NH; (K =18x 10 %. d. Mixing 50.0 mL of 0.100 M HCl with...
will you please help me with 7 and 8?
18 15 = 7. A 0.1036 g sample of solid magnesium is burned in a constant-volume bomb calorimeter that has a heat capacity of 3024 J/ °C. The calorimeter contains exactly 200 g of water, and the temperature increases by 0.913 °C. Calculate the heat given off by the burning Mg in kJ/mol. BOX OOD FS 1620 8. Calculate the heat of combustion for the following reaction from the standard enthalpies...
Most questions answered within 3 hours.
-
Where is the error in this code sequence?
String s1 = "Hello";
String s2 = "ello";...
asked 10 months ago -
Financial data for Joel de Paris, Inc., for last year
follow:
Joel de Paris, Inc.
Balance...
asked 10 months ago -
Consider this reaction:
Al2(SO4)3 (aq)+ BaCl3
(aq) Al2Cl6 (aq)- +
3BaSO4(s) . What is the...
asked 10 months ago -
Suppose that Savneet is considering increasing her
recent random sample from 20 car rentals to 40...
asked 10 months ago -
Trucks arrive at an unloading terminal at an average rate of 120
per hour.
Trucks arrive...
asked 10 months ago -
Why are methanol and ethanol completely soluble in water while
octanol is not very little soluble....
asked 10 months ago -
A facilities manager at a university reads in a research report
that the mean amount of...
asked 10 months ago -
When the CuSO4 is rehydrated by adding water to the anhydrous
compound, is this an endothermic...
asked 10 months ago -
A ray of sunlight is passing from diamond into crown glass; the
angle of incidence is...
asked 10 months ago -
A block of mass 0.249 kg is placed on top of a light, vertical
spring of...
asked 10 months ago -
how do the kidneys compensate in the presences of acidosis
a) trigger hyperventilate
b) reserve acid...
asked 10 months ago -
Question 501 pts
The rental rate of capital to the firm increases. Which of the
following...
asked 10 months ago