1. Which four lamps can you observe using a spectroscope? A. strontium B. sodium C. lithium...
1. Which four lamps can you observe using a spectroscope?
A. strontium
B. sodium
C. lithium
D. fluorescent
E. tungsten
F. mercury
G. barium
2. Which four metals are you able to observe the emission colours using flame excitation?
A. tungsten
B. fluorescent
C. strontium
D. sodium
E. barium
F. mercury
G. lithium
Homework Answers
1. Sodium(B) , Fluorescent (D),Tungsten(E), Mercury (F)
2.tungsten (A), strontium (C), Sodium (D), Lithium (G)
Add Answer to:
1. Which four lamps can you observe using a spectroscope?
A. strontium
B. sodium
C. lithium...
Compare the flame test and solution reaction observations for the unknown to the observations for the known solution...
Compare the flame test and solution reaction observations for the unknown to the observations for the known solutions. Identify the metal present in your unknown solution and circle it below. Strontium Sodium Lithium Potassium Barium Calcium Report Sheet Questions For 1) and 2) below use all six metals (from above), but use each only once. 1. A fireplace log is available for the holiday season that burns with a green and red flame. Based on your observations, which elements produce...
You perform interrupted conjugation using an a+b+c+d+e+f+g+h+ Hfr strain and an F– strain that is a–b–c–d–e–f–g–h–....
You perform interrupted conjugation using an a+b+c+d+e+f+g+h+ Hfr strain and an F– strain that is a–b–c–d–e–f–g–h–. You observe the following genes transferred together in order from last to first: h+b+g+d+ e+f+d+g+ f+e+a+c+ What is the map order of the genes?
all questions please. thank you. 1. Aqueous solutions of silver nitrate and sodium sulfate are mixed....
all questions please. thank you.
1. Aqueous solutions of silver nitrate and sodium sulfate are mixed. 3 pts a. Will a reaction occur? If so, write the balanced reaction complete with subscripts for phases. b. If a reaction occurs, write its net ionic equation. 2. If 32.1 g of pentane, CsH12, react with an excess of oxygen, how many g of water will result? 3 pts 3. A 191 g sample of strontium chloride is allowed to react with 81.0...
A) As B) Sb C) P D)Bi E)N 10. In which of the series of elements...
A) As B) Sb C) P D)Bi E)N 10. In which of the series of elements listed below would the elements have most nearly the same atomic radius? A) Na, K. Rb, Cs B)F, CI, Br.I C) Na, Mg. Al, Si D) Sc, Ti, V, Cr E)B, Si, As, Te Which of the following properties, in general, increases from left to right across a period in the periodic table? A) ionic charge 11、 B) atomic radius C) density D) ionization...
i need help with this back page d) H2CO 6. Which compound has a different hybridiz a) COCI b) BF different hybrid...
i need help with this back page
d) H2CO 6. Which compound has a different hybridiz a) COCI b) BF different hybridization than the others? c) NH: entify the following compounds as the polar or non-polar and give an explanation for that particular behavior: NH. CO2, BF3, SO2 8. Which one has the lowest boiling point (b.p.) based on their polarities? a) H0 b) CH4 c) SeCl2 d) CHCI: solubility chan s e to the internet to at the bold...
Question 4-9 1. What are the four types of bonding observed in solids? c ndeCavalent bonang...
Question 4-9
1. What are the four types of bonding observed in solids? c ndeCavalent bonang 2. Rank the four types of bonding from strongest to weakest. io<>coaletxalic>H-ro İ 3.1 Derive an algebraic expression for the equilibrium spacing, re of an ionic bond that follows the equation E, in terms of A, B, n, and E. 4. 5. What is the force between the two atoms at the equilibrium spacing? atonic force What is the number of atoms per unit...
can you answerthe lab questions 1-5? 1. Explain why methanol and sodium carbonate were both able...
can
you answerthe lab questions 1-5?
1. Explain why methanol and sodium carbonate were both able to dissolve in water, but only sodium carbonate was able to conduct electricity in solution. (3 pts) 2. Look up the chemical structures of methane and methanol. Based on their structures, which of the two do you expect to be water soluble? Explain your answer. (4 pts) 3. What are the main structural differences and similarities between methanol and 1-decanol. Explain the observed difference...
18. Which THREE of the following six statements are true (you get 1/3 for each correct...
18. Which THREE of the following six statements are true (you get 1/3 for each correct answer and minus 1/3 for each incorrect answer): Select one or more: a. GFP was originally found in algae b. GFP binds strongly and specifically to actin c. The original GFP gene has been artificially mutated to produce other colours d. CFP stands for Coral Fluorescent Protein e. Genes such as GFP can replace a native coding sequence to act as a reporter protein...
??? Write the formula for each of the following: a. lithium hydroxide b. iron(III) hydroxide c....
???
Write the formula for each of the following: a. lithium hydroxide b. iron(III) hydroxide c. aluminum hydroxide d. chlorous acid e. strontium hydroxide f lead(II) hydroxide g. phosphorous acid h. ammonia 6.1 Calculate the pH of the following solutions: a. [H3O+] = 5.6 x 103 6.2 b. [H30']-3.8 x104 c. [H3O] 2.7 x 10-5 d. [H3O']- 1.0 x 109 6.3 For each of the following strong base solutions, determine (OH ], (10], and pri. a. 6.5 x 10 M...
4. Suppose that one die is rolled and you observe the number of dots facing up....
4. Suppose that one die is rolled and you observe the number of dots facing up. The sample space for this experiment is S -(1, 2, 3, 4, 5, 6). The following table provides 5 different potential probability assignments to the possible outcomes Outcome Assignment AssignmentAssignment Assignment Assignment #1 0 16 #5 0.13 0.3 0.1 0.08 0.21 0.18 #2 #3 #4 16 4 4 16 4 0.5 16 6 0.5 a) which of the assignments #1-#5 are legitimate probability assignments?...
Compare the flame test and solution reaction observations for the unknown to the observations for the known solutions. Identify the metal present in your unknown solution and circle it below. Strontium Sodium Lithium Potassium Barium Calcium Report Sheet Questions For 1) and 2) below use all six metals (from above), but use each only once. 1. A fireplace log is available for the holiday season that burns with a green and red flame. Based on your observations, which elements produce...
all questions please. thank you.
1. Aqueous solutions of silver nitrate and sodium sulfate are mixed. 3 pts a. Will a reaction occur? If so, write the balanced reaction complete with subscripts for phases. b. If a reaction occurs, write its net ionic equation. 2. If 32.1 g of pentane, CsH12, react with an excess of oxygen, how many g of water will result? 3 pts 3. A 191 g sample of strontium chloride is allowed to react with 81.0...
A) As B) Sb C) P D)Bi E)N 10. In which of the series of elements listed below would the elements have most nearly the same atomic radius? A) Na, K. Rb, Cs B)F, CI, Br.I C) Na, Mg. Al, Si D) Sc, Ti, V, Cr E)B, Si, As, Te Which of the following properties, in general, increases from left to right across a period in the periodic table? A) ionic charge 11、 B) atomic radius C) density D) ionization...
i need help with this back page
d) H2CO 6. Which compound has a different hybridiz a) COCI b) BF different hybridization than the others? c) NH: entify the following compounds as the polar or non-polar and give an explanation for that particular behavior: NH. CO2, BF3, SO2 8. Which one has the lowest boiling point (b.p.) based on their polarities? a) H0 b) CH4 c) SeCl2 d) CHCI: solubility chan s e to the internet to at the bold...
Question 4-9
1. What are the four types of bonding observed in solids? c ndeCavalent bonang 2. Rank the four types of bonding from strongest to weakest. io<>coaletxalic>H-ro İ 3.1 Derive an algebraic expression for the equilibrium spacing, re of an ionic bond that follows the equation E, in terms of A, B, n, and E. 4. 5. What is the force between the two atoms at the equilibrium spacing? atonic force What is the number of atoms per unit...
can
you answerthe lab questions 1-5?
1. Explain why methanol and sodium carbonate were both able to dissolve in water, but only sodium carbonate was able to conduct electricity in solution. (3 pts) 2. Look up the chemical structures of methane and methanol. Based on their structures, which of the two do you expect to be water soluble? Explain your answer. (4 pts) 3. What are the main structural differences and similarities between methanol and 1-decanol. Explain the observed difference...
???
Write the formula for each of the following: a. lithium hydroxide b. iron(III) hydroxide c. aluminum hydroxide d. chlorous acid e. strontium hydroxide f lead(II) hydroxide g. phosphorous acid h. ammonia 6.1 Calculate the pH of the following solutions: a. [H3O+] = 5.6 x 103 6.2 b. [H30']-3.8 x104 c. [H3O] 2.7 x 10-5 d. [H3O']- 1.0 x 109 6.3 For each of the following strong base solutions, determine (OH ], (10], and pri. a. 6.5 x 10 M...
4. Suppose that one die is rolled and you observe the number of dots facing up. The sample space for this experiment is S -(1, 2, 3, 4, 5, 6). The following table provides 5 different potential probability assignments to the possible outcomes Outcome Assignment AssignmentAssignment Assignment Assignment #1 0 16 #5 0.13 0.3 0.1 0.08 0.21 0.18 #2 #3 #4 16 4 4 16 4 0.5 16 6 0.5 a) which of the assignments #1-#5 are legitimate probability assignments?...
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