Anchor

$10.99

The lines observed in H-lamp are parts of Balmer Series. All these lines are due to a transition from various higher n value to a common n. What is this common lower n value for all these lines? - Answer- 2 The bright violet line of Hg lamp has a wavelength of 435.8 nm. What is the energy of the photon associated with this emission line? - Answer- 4.56*10^-19 J Given: In Atomic Spectra lab, a student obtained his best-fit line equation to be y = 0.29 x + 46.8 when he plotted his Vernier re...

Examen
• 8 páginas •
por STUDYGUIDESET •
subido 2023

i x

C125 • C125

C125 Revision

$10.49

independent variable - Answer- the quantity you vary or control; it is assigned to the abscissa (x-axis) dependent variable - Answer- the quantity you measure in the lab; it is assigned to the ordinate (y-axis) ordinate - Answer- y-axis abscissa - Answer- x-axis slope - Answer- change in y/change in x best-fit line equations - Answer- y=mx+b *m is the slope; b is the y-intercept interpolated results - Answer- lie within the range of measured data extrapolated results - Answe...

Examen
• 6 páginas •
por STUDYGUIDESET •
subido 2023

i x

C125 Revision • C125 Revision

C125 Final Lab-Simple

$9.49

If you accidentally spilled some dilute HNO3 on the ground, what should you do? - Answer- Use excessive NaHCO3 to neutralize it and then clean it. Random errors may affect the... - Answer- precision but not the accuracy. Phenolphthalein is the pH indicator used in Vinegar Analysis lab. Which one of the following solutions may turn pink if a few drops of phenolphthalein is added? - Answer- 10 mL of a 0.20M HCL solution combined with 15 mL of 0.20M NaOH solution A balance always reads 0.1...

Examen
• 2 páginas •
por STUDYGUIDESET •
subido 2023

i x

C125 • C125

C125 Final with Answers

$12.49

PCl5 - Answer- All of the following molecules have all bonds being equivalent except: SF6 CH4 NH3 PCl5 lone pair to lone pair - Answer- Which of the following has the largest repulsion, assuming that all the angles between electron pairs are identical? -They are all the same because they all contain the same number of electrons -lone pair to lone pair - bonding to bonding pair -lone pair to bonding pair square planar - Answer- What is the molecular geometry of XeF4? none of ...

Examen
• 12 páginas •
por STUDYGUIDESET •
subido 2023

i x

C125 • C125

CHEM-C125 Final Exam

$12.99

In Atomic Spectra lab, Vernier angles (V) in degrees of a Hg-lamp has a linear dependence on wavelength (λ) in nm of line spectra: V = 0.146 λ−10.85 a) Predict the Vernier angle in degree for a line that has a wavelength of 510 nm. b) If a student found a line at a Vernier angle of 76.5°, what is the wavelength in nm of this line? - Answer- a) 63.61 b) 598.288 Best-fit line equation commonly takes "y=mx+b" format. What are y, x, m and b? - Answer- y = y-value x= x-value m = slope ...

Examen
• 23 páginas •
por STUDYGUIDESET •
subido 2023

i x

CHEM-C125 • CHEM-C125

C125 Exam-Questions with correct answers

$10.49

Aliquot - Answer- - *Portion of measurement added* - Example: "In this experiment, we will be using an *aliquot* of 10 mL of water for each trial Sig Fig Rules (Significant) - Answer- - Any non-zero digit is a sig fig - Zeros between non-zeros are sig figs - Zeros to the right of the last non-zero digit are sig figs Sig Fig Rules (Insignificant) - Answer- - Zeros to the left of the first non-zero are NOT sig figs Calculations Rules for Sig Figs (+/-) - Answer- - Focus on decim...

Examen
• 12 páginas •
por STUDYGUIDESET •
subido 2023

i x

c215 • c215

CHEM- C215 Final Exam-Questions with correct answers

$8.99

B - Answer- If you accidentally spilled some dilute HNO3 solution on the ground, what should you do? A. Use excessive NaOH to neutralize it and clean it. B. Use excessive NaHCO3 to neutralize it and then clean it. C. Use a lot of water to wash the ground. D. Report to my TA and wait for him/her to treat the acid spills. E. Do nothing because dilute HNO3 solution is not dangerous. B - Answer- A lab technician is trying to prepare 100. mL glucose solution with a concentration of 5.0% by ma...

Examen
• 16 páginas •
por STUDYGUIDESET •
subido 2023

i x

CHEM- C215 • CHEM- C215

C215 Final Exam-Questions with correct answers

$12.49

percent yield - Answers- actual yield / theoretical yield percent error - Answers- (experimental - theoretical) / theoretical write the balanced equations for the neutralization reactions of NaOH and HCl CH3COOH and OH - Answers- HCl(aq) + NaOH(aq) = Nacl(aq) + H2O (l) CH3COOH(aq) + OH-(aq) = CH3COO-(aq) + H2O(l) is the acid or base the limiting reactant in each neutralization reaction - Answers- acid does it matter if your ΔT values are in degrees celsius or kelvin when using q=m...

Examen
• 13 páginas •
por STUDYGUIDESET •
subido 2023

i x

1. C215 • 1. C215

C215 Final Exam-Questions with correct answers

$10.49

the quantity that you vary or control is the ___________ variable, and it is assigned to the _______________ -Answer- independent variable; abscissa (traditionally called the x-axis) the ________________ variable is assigned to the _________ and it is usually the quantity that you measure in the lab -Answer- dependent; ordinate (traditionally called the y-axis) results lie within the range of measured data -Answer- interpolated results involves extending the best-fit line (graphicall...

Examen
• 7 páginas •
por STUDYGUIDESET •
subido 2023

i x

C215 • C215

PC 832 Practice Quiz- Questions with correct answers

$12.49

In every crime or public offense, there must exist a union, or joint operation of act and intent, or criminal negligence. T or F - Answer-T A person who, after a felony has been committed, knowingly harbors, conceals, or aids a principal who has been charged with, committed or been convicted of that felony, with intent of helping the principal escape is called an... a) principal b) accomplice c) accessory - Answer-c A woman renting an apartment refused to pay rent for two months, statin...

Examen
• 14 páginas •
por STUDYGUIDESET •
subido 2023

i x

PC 832 • PC 832

SYG2430 Final Exam- Questions with Correct Answers

$11.49

An example of a longitudinal survey is a survey that is sent – Answer-Every 5 years The institutional arena is governed by – Answer-Accepted rules of interaction What constitutes the breadwinner-homemaker family as traditionally understood in early sociological theory? – Answer- An employed father, a mother without employment, and their children What does it mean to refer to the family connection as symbolic? – Answer Finding meaning in a family tie because one perceives that it...

Examen
• 9 páginas •
por STUDYGUIDESET •
subido 2023

i x

SYG2430 • SYG2430

C215 Exam 2023 -Questions with correct answers

$13.49

C215 Practice Exam-Questions with correct answers Which definition used for quality evaluates how well a product performs its intended function? Fitness for use Support services Value for price paid Psychological criteria – Answer- Fitness for use Which total quality management (TQM) process was developed to stress management's responsibility for quality? Statistical quality control charts Fitness quality for use 14 points for quality improvement Product design quali...

Examen
• 17 páginas •
por STUDYGUIDESET •
subido 2023