Devise a 1- or 2-step procedure to determine which member of the pair is present in...
Devise a 1- or 2-step procedure to determine which member of the pair is present in an unknown
6.MgCO3 or BaSO4
7.AgCl or Ag2O
8.FeO or Fe2O3
9.KCl or KI
10. Na2SO4 or Na2SO3
Homework Answers
6. Test for sulphate ion or for carbonate ion .
7. Test for halogen .
8. Add excess of HCl ... FeCl2 is pale green and FeCl3 is raddish brown.
9.Add starch ...Kl will give black colour.
Add Answer to:
Devise a 1- or 2-step procedure to determine which member of the
pair is present in...
DATA TABLE STEP 1 AgNO3 1,C,,2 STEP 3 Ba(NO3)2 SO - Decant white BaSO4 ppt (CONFIRMS...
DATA TABLE STEP 1 AgNO3 1,C,,2 STEP 3 Ba(NO3)2 SO - Decant white BaSO4 ppt (CONFIRMS SO2-) yellow Agl. AgCl ppt NH,OH yellow Agl. AgCl ppt RECYCLE Chemical Waste HNO blue litmus Decant white AgC ppt (CONFIRMS CT) yellow Agl.ppt (CONFIRMST) red spot 6. Refer to the Data Table to determine which anions (I-, Cl-, SO42-) are present and absent in an unknown solution given the following observations. • The unknown solution in test tube #1 plus AgNO3 gives a...
Show step by step how the merge procedure of merge sort will merge the arrays 1,...
Show step by step how the merge procedure of merge sort will merge the arrays 1, 3, 4, 7, 9, 11, 13, 14 and 2, 5, 6, 8, 10, 12
1)Determine the force in member AB, and state if the member is in tension or compression....
1)Determine the force in member AB, and state if the member is
in tension or compression.
2)Determine the force in member AF, and state if the member is
in tension or compression.
3)Determine the force in member BC, and state if the member is
in tension or compression.
4)Determine the force in member BE, and state if the member is
in tension or compression.
5)Determine the force in member BF, and state if the member is
in tension or compression....
1. In which solution will aluminum hydroxide, Al(OH)3, be least soluble? The solutions are similar except...
1. In which solution will aluminum hydroxide, Al(OH)3, be least soluble? The solutions are similar except that they have the following pH values: Hint: Common ion effect. Which two ions dictate acidity and basicity? a. 3 b. 7 c. 9 d. 11 2. Potassium perchlorate has a solubility product constant of 10-2. Which is true about the following solution of KClO4: [K+] = 0.01 M, [ClO4 −] = 0.01 M a. Ksp < Q and no precipitation occurs b....
The steps just refer to the lab procedure and the ones present are where data is...
The steps just refer to the lab procedure and the ones present
are where data is actually recorded. The rest, like step 5, are
things like fill the flask with water and wipe away any excess. All
needed info for the calculations is there. I'm trying to
double-check my work.
DATA & CALCULATIONS: Measured quantities that were the same for all three runs: 138.5 mL Volume of flask Laboratory temperature Atmospheric pressure Density of air 29.82 inches Hg 1.189 g/L...
PRE-LABORATORY QUESTIONS NAME: 1. According to the experimental procedure written above which cation in your sample...
PRE-LABORATORY QUESTIONS NAME: 1. According to the experimental procedure written above which cation in your sample should be identified first if it is indeed in the sample? 2. In what phase is the first cation supposed to be identified, in solid or liquid phase? And in what color? 3. According to the experimental procedure written above which cation in your sample should be identified second if it is indeed in the sample? 4. In what phase is the second cation...
1.(3pts) Use the following data to determine the AHıxn of 2 C3H12O(l) + 15 O2(g) ---->...
1.(3pts) Use the following data to determine the AHıxn of 2 C3H12O(l) + 15 O2(g) ----> 10 CO2(g) + 12 H2O(1) Substance AH(kJ/mol) Substance AH(kJ/mol) Data: CzH.(g) CH,OH(1) C.H.0(1) C6H40(1) H2O(g) CO(g) O2(g) 20.9 -239.0 -277.0 -316.0 -241.82 -110.53 C3H2(g) CHOH(9) CH 20(1) CH;60(1) H2O(1) -104.0 -201.0 -298.6 -340.0 -285.83 -393.51 CO2 N (8) 2.(2pts) If you are given 148,0 g O2(g) and a sufficient amount of the other reactant, calculate the heat associated with reaction in problem 1 and...
(aq) (1) Mg(OH)2 is partially dissolved in water: Mg(OH), (s) = Mg2+ (aq) + 2OH Write...
(aq) (1) Mg(OH)2 is partially dissolved in water: Mg(OH), (s) = Mg2+ (aq) + 2OH Write the Kop expression for Mg(OH)2 : Kp = (2) Solid AgCl is partially dissolved in water: AgCl 2 Ag+ + CI''. If the molar solubility is known as [Ag +) = [CI''] = 1.3x 10 M, AgCl Kip =- (a) 1.3 x 10 (b) 1.69 x 10-10 (c) 2.6 x 10 (d) none of these (3) At 25 °C, the solubility of solid AgCl...
1. how many chromosomes are present? 2. how many chromatids are present? s 1 2 3...
1. how many chromosomes are present?
2. how many chromatids are present?
s 1 2 3 4 5 6 7 8 9 12 10 11 88 89 16 13 14 15 17 18 8 Y 19 20 х
follow the 10-step hypothesis testing procedure, in the step of"calculation of test statistie, use MATLAB to obtain the ANOVA table and find the results accordingly If the post analysis is...
follow the 10-step hypothesis testing procedure, in the step of"calculation of test statistie, use MATLAB to obtain the ANOVA table and find the results accordingly If the post analysis is needed, use MATLAB function ‘muitcompare". Attach all MATLAB results/figures and draw your conclusion accordingly. · Ilich-Ernst et al. investigated dietary intake of calcium among a cross section of 105 healthy women ages 20-88. The researche four age groupings as follows rs rormed Group A, 20.0-45.9 years; Group B, 46.0-55.9 years;...
DATA TABLE STEP 1 AgNO3 1,C,,2 STEP 3 Ba(NO3)2 SO - Decant white BaSO4 ppt (CONFIRMS SO2-) yellow Agl. AgCl ppt NH,OH yellow Agl. AgCl ppt RECYCLE Chemical Waste HNO blue litmus Decant white AgC ppt (CONFIRMS CT) yellow Agl.ppt (CONFIRMST) red spot 6. Refer to the Data Table to determine which anions (I-, Cl-, SO42-) are present and absent in an unknown solution given the following observations. • The unknown solution in test tube #1 plus AgNO3 gives a...
Show step by step how the merge procedure of merge sort will merge the arrays 1, 3, 4, 7, 9, 11, 13, 14 and 2, 5, 6, 8, 10, 12
1)Determine the force in member AB, and state if the member is
in tension or compression.
2)Determine the force in member AF, and state if the member is
in tension or compression.
3)Determine the force in member BC, and state if the member is
in tension or compression.
4)Determine the force in member BE, and state if the member is
in tension or compression.
5)Determine the force in member BF, and state if the member is
in tension or compression....
The steps just refer to the lab procedure and the ones present
are where data is actually recorded. The rest, like step 5, are
things like fill the flask with water and wipe away any excess. All
needed info for the calculations is there. I'm trying to
double-check my work.
DATA & CALCULATIONS: Measured quantities that were the same for all three runs: 138.5 mL Volume of flask Laboratory temperature Atmospheric pressure Density of air 29.82 inches Hg 1.189 g/L...
PRE-LABORATORY QUESTIONS NAME: 1. According to the experimental procedure written above which cation in your sample should be identified first if it is indeed in the sample? 2. In what phase is the first cation supposed to be identified, in solid or liquid phase? And in what color? 3. According to the experimental procedure written above which cation in your sample should be identified second if it is indeed in the sample? 4. In what phase is the second cation...
1.(3pts) Use the following data to determine the AHıxn of 2 C3H12O(l) + 15 O2(g) ----> 10 CO2(g) + 12 H2O(1) Substance AH(kJ/mol) Substance AH(kJ/mol) Data: CzH.(g) CH,OH(1) C.H.0(1) C6H40(1) H2O(g) CO(g) O2(g) 20.9 -239.0 -277.0 -316.0 -241.82 -110.53 C3H2(g) CHOH(9) CH 20(1) CH;60(1) H2O(1) -104.0 -201.0 -298.6 -340.0 -285.83 -393.51 CO2 N (8) 2.(2pts) If you are given 148,0 g O2(g) and a sufficient amount of the other reactant, calculate the heat associated with reaction in problem 1 and...
(aq) (1) Mg(OH)2 is partially dissolved in water: Mg(OH), (s) = Mg2+ (aq) + 2OH Write the Kop expression for Mg(OH)2 : Kp = (2) Solid AgCl is partially dissolved in water: AgCl 2 Ag+ + CI''. If the molar solubility is known as [Ag +) = [CI''] = 1.3x 10 M, AgCl Kip =- (a) 1.3 x 10 (b) 1.69 x 10-10 (c) 2.6 x 10 (d) none of these (3) At 25 °C, the solubility of solid AgCl...
1. how many chromosomes are present?
2. how many chromatids are present?
s 1 2 3 4 5 6 7 8 9 12 10 11 88 89 16 13 14 15 17 18 8 Y 19 20 х
follow the 10-step hypothesis testing procedure, in the step of"calculation of test statistie, use MATLAB to obtain the ANOVA table and find the results accordingly If the post analysis is needed, use MATLAB function ‘muitcompare". Attach all MATLAB results/figures and draw your conclusion accordingly. · Ilich-Ernst et al. investigated dietary intake of calcium among a cross section of 105 healthy women ages 20-88. The researche four age groupings as follows rs rormed Group A, 20.0-45.9 years; Group B, 46.0-55.9 years;...
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