Assignment 006 - (10)
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AMA Computer University *
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Course
BP012
Subject
Chemistry
Date
Nov 24, 2024
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1
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Inquiries,
Investigations
and
Immersion
(Bridging)
Dashboard
/
Courses
/
OSHS
/
Bridging
Programs
/
BP012
/
Week
7:
Methods
of
Research
(Part
Ill)
/
Assignment
006
e
Queston
10
It
is
one
of
the
widely
use
in
educational
research.
It
consists
of
two
groups,
pretest
and
posttest
are
both
given
to
the
two
groups.
Only
one
group
is
Correct
given
the
treatment.
Mark
1.00
out
of
1.00
Select
one:
\"
Flag
question
@®
a.
Design
10-
The
Non-equivalent
control
group
design
O
b.
Design
8
-
The
Time-Series
Experiment
O
c.
Design
9
-
Counterbalance
Design
O
d.
Design
6
-
The
Solomon
Four-Group
Design
Clear
my
choice
Check
Marks
for
this
submission:
1.00/1.00.
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26) The floor tiles in SE 27 are about 1 square foot and the lab is about 25 tiles wide and about
36 tiles from front to back. When the emergency shower was demonstrated, in 10. seconds
the water in the trash can was about 1 foot deep. One student estimated this was 2.5 gallons.
Estimate how deep the room will get in inches after a 15 minute shower. List 3 simplifving
assumptions you make in this calculation
rea
L-36 Tile
fiDw
ill it cost2 The density of gold is
27l An artist plans to apply gold leaf to a painting with an area of 2.32 f? and a thickness of 1.50
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udy
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OMEASUREMENT AND MATTER
One step dosage calculations
V
A patient recovering from minor surgery 2 days ago has been taking acetaminophen for pain control. During his follow-up visit he shows you his medication: a
bottle of orange liquid labeled "acetaminophen oral suspension 160. mg per 5 mL." The patient states he has taken seven 15.0 mL doses since his surgery.
What is the total amount of acetaminophen he has received since his surgery? Round your answer to the nearest mg.
mg
Explanation
Check
X
Q Search
پہلے
1/3
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DENSITY EXPERIMENT
HOMEWORK
1. A few mls of an insoluble liquid is added to water. The density of the
insoluble liquid is 1.8 g/L. What will happen upon mixing? Which layer
will be on top?
2. Why does ice float on water?
3. What would you use to measure the mass of a solid?
4. What would you use to measure the volume of a liquid?
5. Density can be used to:
6. Is density a physical property or a chemical property?
7. A meniscus must be read at the top of the dip, the bottom of the
dip, or above the dip?
Comment
MacBook Air
Ne
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QUEENSBOROUGH SU
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i need the answer quickly
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Research Pr X
Research Pr X
Paraphrasing X
Why Are Hea X
CDC Improving Yo ×
b Answered: B X
Chemistry C X
Grades for K X
Convert grar ×
Course Hom X
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Student Detail Sc..
I Review I Constants I Periodic Table
Scores
Balance each of the following chemical equations.
Part C
You may want to reference
(Pages 226 - 233) Section 7.4 while completing this
problem.
eТext
Ca(ОН)2(аq) + HNO3 (aq) —> HәО() + Cа(NO3)2(аq)
Document Sharing
Express your answer as a chemical equation. Identify all of the phases in your answer.
User Settings
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A chemical reaction does not occur for this question.
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Part D
Fe2 O3 (s) + C(s) → Fe(s) + CO(g)
Express your answer as a chemical equation. Identify all of the phases…
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Cos x Lapix M Inbc x
X
learn.canterbury.ac.uk/ultra/courses/_19016_1/outline/edit/document/_3537021_1?courseld=_19016_1&view=content
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8. A particular enzyme at a research facility is being studied by a group of graduate
students. This enzyme has a Km value of 5.0 X 106 M. The students study this enzyme
with an initial substrate concentration of 0.055 M. At one minute, 7 µM of product
was made. What is the Vmax?
30
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Need help with dimesional analysis
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100-
8
8
Relative Intensity
$
20-
0-
Relative Intensity
10
200-
80-
40-
20-
0-
10
20 30
m/z
20
20
100 $10
Chlorine OR Bromine OR Neither
Chlorine OR Bromine OR Neither
90
100
100-
Relative Intensity
DO-
ģ
20-
0
100
80
10
8
Relative Intensity
3
0-
10
40 30 60
15
m/z
Chlorine OR Bromine OR Neither
35
40 45
m/z
weytekakumpumakija
30 100 110
55
Chlorine OR Bromine OR Neither
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Arrange the values according to magnitude.
Greatest
Least
Answer Bank
7.6 x 10-6
3.3 x 10-2
9.0 x 10-6
51000
1.5 x 105
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Hey, I need help with question one. These problems are for us to study, not for a grade. It's only practice.
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1:35 Sun, 16 June b
III
=
University of
South Australia
SP2 2024
Chemistry 100
Week 11 (20/5 - 24/5)
The correct answer is:
45.0
Dashboard
Week 12 (27/5 - 1/6)
Course Outline
Week 13 (3/6 - 7/6)
Question 7
Incorrect
Content
Integrity
Academic
Online Quizzes
Practice Quiz (updated
with correct dates for
2024)
Online Quiz 1
Mark 0.00 out
of 1.00
Remove flag
a.
CuO x
b. CuCl₂
C. NaBr
K
Online Quiz 2
Assessment
Online quiz 3
Grades
Online quiz 4
10
?
་ྗ$དཱི49%
Yunseo Kwon
Which one of the following cannot form a
crystalline solid with a lattice based on the
sodium chloride structure?
•
d. LiF
e. Rbl
Ө
Extensions
Resources
Recordings
Online quiz 5
Mid-semester Test
Final examination
PASS (Peer Assisted Study
Sessions)
Your answer is incorrect.
The correct answer is:
CuCl2
16
b
Finish review
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X Achieve > Students: Register X
Assessment - Chem 101 002X
nillanlearning.com/courses/55ace5f9-441e-4942-b91a-6dde768c655e/3/k6bu5e/tools/assessment/items/9f6b56a8-92b9-4b
ent
Check A
LGive Up?
O Hint
OResources
Score:
25
Perform the conversions.
atm
1.196 atm =
860.8 mmHg =
%3D
Pa
1386.9 mmHg :
atm
%3D
287.3 kPa =
%3D
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A grain of salt weighs ~ 0.0000585 grams (58.5 micrograms) How many moles is that? (AW Na = 23.0 g AW Cl = 35.5 g) Choose the best answer
Group of answer choices
Hardly anything!
1.00 x 10-3 (one millimole)
1.00 x 10-6 (one micromole)
1.00 x 10-9 (one nanomole
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The number of hours per week that the television is turned on is determined for each family in a sample. The mean of the data is 32
hours and the median is 28.2 hours. Twenty-four of the families in the sample turned on the television for 17 hours or less for the week.
The 7th percentile of the data is 17 hours.
Step 2 of 5: Approximately how many families are in the sample? Round your answer to the nearest integer.
Answer
How to enter your answer
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© 2021 Hawkes Learning
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étv
30
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CH₂-COOH
Citric acid has the formula HO-C-COOH
I
CH₂-COOH
CH2–CDD - Na*
+
HD-C-CDD- Na
CH₂-COO-
COO-Na
A 25.0 mL sample of a concentrated citrus fruit cordial component (e.g. for lime juice), used in the food & drinks industry, was
diluted to 250 mL in a graduated volumetric flask.
A 25.0 mL sample of this diluted solution, required, on average, 22.5 mL of a standard 0.100 molar sodium hydroxide solution
using phenolphthalein indicator for the titration end-point.
A) 0.0075
Assuming all the acid in the cordial was citric acid, calculate the concentration of the acid in g/mL in the original solution.
B) 0.576
D
and is tribasic acid, forming the tri-sodium salt
on complete neutralisation with sodium hydroxide.
1.44
0.00225
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Name:
Part I: Calibration of the Plastic Pipette
Number of Drops
Total Mass (g)
Mass of 10 Drops
(g)
Volume of 10
Drops (mL)
23.3124
10
23.8216
20
24.2999
30
24.8245
1. Temperature of deionized water (°C)
24.7
2. Density of water at this temperature from (g/mL)
Density calculator
https://antoine.frostburg.edu/chem/senese/javascript/water-density.html
3. Average volume of 10 drops (mL)
show calculation:
Part II: Determination of Standard Solutions
mL of 0.200M
CuSO4'5 H20
added
M CuSO4
diluted
Absorbance
Tube #
mL H20 added
0.200
1.346
about 3
0.945
3
4.00
1.00
0.715
4
3.00
2.00
0.469
2.00
3.00
0.281
6.
1.00
4.00
show calculation for Tube #3 diluted concentration:
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15:32 Sun May 2
Done <
AA
A session.masteringchemistry.com
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ALEKS - Alec Nema - Knowledge x
G converta^4 to cm^4- Google S x
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iCPa7ZMmym9SLFOBedXazQM4lzqmR-1UH_pgXn9vQgZypE
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convert m^4 to cm^4- Google
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Question 20
Knowledge Check
A NASA spacecraft measures the rate R of at which atmospheric pressure on Mars decreases with altitude. The result at a certain altitude is:
1
R=0.0914 kPa•km
Convert Rto J.cm
-4
J cm
I Don't Know
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Consider the following SAS data and formula.
Volume of sample at $1%: 50.2 ml
51% = 55%
52% = 70%
Volume of SAS =
[(volume of sample at S1%) (S2% - S1%)] / 100
[(1-(S2% / 100)]
Calculate the volume of SAS needed for this experiment given this information.
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