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Hello I need help asap and these are 3 muilple choice questions.
thank you!
1.)
2.)...
i need help with this question please asap for chemistry thank you tarminae 3. Buffers: A...
i need help with this question please asap for
chemistry thank you
tarminae 3. Buffers: A solution is 0.200M for both HC H/O, and NaC,O, forming a bullier wth a pH of 4.74. The K, is 1.8 x 10 Calculate the pH after the addition of Show al wow.l (a) 0.040M HCI (b) 0.040M NaOH
Multipart homework question for Chemistry I need help with. thank you. Which of the following solutions...
Multipart homework question for Chemistry I need help
with. thank you.
Which of the following solutions has a molarity of 2.0 0.050 mole of solute in 25.0 mL of solution 2.0 moles of solute in 500.0 mL of solution O 3. moles of solute in 3.0 L of solution O 0.020 mole of solute in 50.0 mL of solution Calculate the concentration in % (m/m) of a solution containing 35.0 g of LiF dissolved in 315.0 g of H20. 10.0%...
Need help ASAP with questions 1 & 2! pls & thank you! Question 1 2d The...
Need help ASAP with questions 1 & 2!
pls & thank you!
Question 1 2d The charges in the figure above both have a magritude of 7.80 nC and the distance d is 5.70 cm What is the magnitude of the electric field at the dot? o 2745+04 N/C 0 2.38E+04 NC 2.55E+04NIC 2 59E+04 N/C Question 2 and charge cis 3 45 nC. if x,225 cm and y:450 cm, what is the electric field at the dot? in the...
Hello, please I need help with this question please ASAP!! thanks. All applicable work must be...
Hello, please I need help with this question please ASAP!! thanks.
All applicable work must be shown to receive full credit on any homework assignment *** ***PLACE BOXES AROUND FINAL ANSWERS*** 3. [10 Points) A set of 74ALS174 registers is connected as shown below. a. What type of data transfer is performed? b. Determine the output of each register when the MR is pulsed momentarily low and after each of the indicated clock pulses (CP#) in the table below. GLK...
Hello I need help answering these questions thank you Which option fits type II error the...
Hello I need help answering these questions thank you
Which option fits type II error the best? O Probability of correctly rejecting the null hypothesis "Probability of rejecting the null, if the null is true" "Probability of retaining the null, if the nullis false." O "Probability of retaining the null, when it s false" QUESTION 2 The appropriate test for a study of people tested before and after they are given a drug is: z-test independent-samples t-test paired-samples t-test one-way...
I need help with the ice table. Please and thank you! TEEL WILL questions) Give the balanced equation for the sol...
I need help with the ice table. Please and thank you!
TEEL WILL questions) Give the balanced equation for the solvation of Ca(OH) in water color).(-) e coloq) + 2OH coas + H20lnas Write the solubility-product expression, Ksp, for Ca(OH)2. (cor][ on 3² Ca (OH),ka = [ca(OH)₂] kop= [cator ]² Explain in complete sentences using equations if necessary for illustration at is the stoichiometric relationship of the hydroxide ion concentration to calcium ion concentration? For wery mole of [C ]...
For the questions 1 3 of Exp. 2, b What is the color of Phenolphthalein, an...
For the questions 1 3 of Exp. 2, b What is the color of Phenolphthalein, an indicator, in basic condition? (2pt) 1. Clur ren useon Complete and balance the following chemical equations. Show your answer whether it is the precipitation (color) or gas 2. (bubble) evolution reaction if possible. (6pts) H:SO4+ 2NaOH H2O+ Na SO 2 NaHCO+H2SO. Na2SO4+ 2 H2O+CO: PbCl2 NaNO Pb(NOs):+NaCl In Exp. 2, you mixed nine kinds of known solutions with un known aqueous solution in order...
I need help with these 3 questions. Any explanation would be great too! Thank you! 1....
I need help with these 3 questions. Any explanation would be
great too! Thank you!
1. Without doing a calculation, predict which of these compounds has the greatest molar solubility in water: AgCI (Ksp=1.8x10-10), AgBr (Ksp 5.0x10-13), or AgI (Ksp=8.3x10-17). Optional Answers: 1. AgI is the most soluble of the three. 2. AgBr is the most soluble of the three. 3. AgCl is the most soluble of the three 4. All of the compounds are totally insoluble based on their...
please help me answer question 1 to 3, thank you Chapter 9, Solutions, Review & Extra Credit. 2 Points for each XC c...
please help me answer question 1 to 3,
thank you
Chapter 9, Solutions, Review & Extra Credit. 2 Points for each XC correct answer; 6 points total, max. Partial Credit given. Suggestions...work in teams [it will improve the learning experience] 1. Solutions-A solution forms when a solute (the smaller quantity) dissolves in a solvent (the larger quantity). In a solution, the particles of solute are evenly distributed in the solvent. A solute may be a gas, liquid or solid. A...
1) What is the term for a compound containing two nonmetals? A) binary acid B) ionic...
1) What is the term for a compound containing two nonmetals? A) binary acid B) ionic compound C) molecular compound D) ternary acid 2) The compound TiO2 is classified as which of the following? A) binary acid B) ionic compound C) molecular compound D) ternary acid 3) What is the name for S2-? A) sulfur ion B) sulfide ion C) sulfite ion D) sulfate ion 4) What is the chemical formula for the nitrite ion? A) NO3- B) NO32- C)...
i need help with this question please asap for
chemistry thank you
tarminae 3. Buffers: A solution is 0.200M for both HC H/O, and NaC,O, forming a bullier wth a pH of 4.74. The K, is 1.8 x 10 Calculate the pH after the addition of Show al wow.l (a) 0.040M HCI (b) 0.040M NaOH
Multipart homework question for Chemistry I need help
with. thank you.
Which of the following solutions has a molarity of 2.0 0.050 mole of solute in 25.0 mL of solution 2.0 moles of solute in 500.0 mL of solution O 3. moles of solute in 3.0 L of solution O 0.020 mole of solute in 50.0 mL of solution Calculate the concentration in % (m/m) of a solution containing 35.0 g of LiF dissolved in 315.0 g of H20. 10.0%...
Need help ASAP with questions 1 & 2!
pls & thank you!
Question 1 2d The charges in the figure above both have a magritude of 7.80 nC and the distance d is 5.70 cm What is the magnitude of the electric field at the dot? o 2745+04 N/C 0 2.38E+04 NC 2.55E+04NIC 2 59E+04 N/C Question 2 and charge cis 3 45 nC. if x,225 cm and y:450 cm, what is the electric field at the dot? in the...
Hello, please I need help with this question please ASAP!! thanks.
All applicable work must be shown to receive full credit on any homework assignment *** ***PLACE BOXES AROUND FINAL ANSWERS*** 3. [10 Points) A set of 74ALS174 registers is connected as shown below. a. What type of data transfer is performed? b. Determine the output of each register when the MR is pulsed momentarily low and after each of the indicated clock pulses (CP#) in the table below. GLK...
Hello I need help answering these questions thank you
Which option fits type II error the best? O Probability of correctly rejecting the null hypothesis "Probability of rejecting the null, if the null is true" "Probability of retaining the null, if the nullis false." O "Probability of retaining the null, when it s false" QUESTION 2 The appropriate test for a study of people tested before and after they are given a drug is: z-test independent-samples t-test paired-samples t-test one-way...
I need help with the ice table. Please and thank you!
TEEL WILL questions) Give the balanced equation for the solvation of Ca(OH) in water color).(-) e coloq) + 2OH coas + H20lnas Write the solubility-product expression, Ksp, for Ca(OH)2. (cor][ on 3² Ca (OH),ka = [ca(OH)₂] kop= [cator ]² Explain in complete sentences using equations if necessary for illustration at is the stoichiometric relationship of the hydroxide ion concentration to calcium ion concentration? For wery mole of [C ]...
For the questions 1 3 of Exp. 2, b What is the color of Phenolphthalein, an indicator, in basic condition? (2pt) 1. Clur ren useon Complete and balance the following chemical equations. Show your answer whether it is the precipitation (color) or gas 2. (bubble) evolution reaction if possible. (6pts) H:SO4+ 2NaOH H2O+ Na SO 2 NaHCO+H2SO. Na2SO4+ 2 H2O+CO: PbCl2 NaNO Pb(NOs):+NaCl In Exp. 2, you mixed nine kinds of known solutions with un known aqueous solution in order...
I need help with these 3 questions. Any explanation would be
great too! Thank you!
1. Without doing a calculation, predict which of these compounds has the greatest molar solubility in water: AgCI (Ksp=1.8x10-10), AgBr (Ksp 5.0x10-13), or AgI (Ksp=8.3x10-17). Optional Answers: 1. AgI is the most soluble of the three. 2. AgBr is the most soluble of the three. 3. AgCl is the most soluble of the three 4. All of the compounds are totally insoluble based on their...
please help me answer question 1 to 3,
thank you
Chapter 9, Solutions, Review & Extra Credit. 2 Points for each XC correct answer; 6 points total, max. Partial Credit given. Suggestions...work in teams [it will improve the learning experience] 1. Solutions-A solution forms when a solute (the smaller quantity) dissolves in a solvent (the larger quantity). In a solution, the particles of solute are evenly distributed in the solvent. A solute may be a gas, liquid or solid. A...
1) What is the term for a compound containing two nonmetals? A) binary acid B) ionic compound C) molecular compound D) ternary acid 2) The compound TiO2 is classified as which of the following? A) binary acid B) ionic compound C) molecular compound D) ternary acid 3) What is the name for S2-? A) sulfur ion B) sulfide ion C) sulfite ion D) sulfate ion 4) What is the chemical formula for the nitrite ion? A) NO3- B) NO32- C)...
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