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Quiz & Answers 12-101 OSHA estimates that about 32 million workers work with and are potentially exposed to one or more chemical hazards. \True)or False A statement describing the nature of the chemical hazard is called a Precautionary Statement. True @ veryone 2. 3. The HCS uses a downstream flow of information to ensure the dissemination of chemical information I. covered by the HCS. firue?’or False 4. are four types of Precautionary Statements used on labels: Prevention, Response, Storage and Disposal. or False ] : ; 5. The HCS does not apply to consumer products when used in the workplace in'the same manner as that of a normal household consumer.{Trudjor False unication program. @or False 6. Employers must establish and implement a written hazard cor 7. Chemicals have both physical and health hazard potentials. fTrue)or False 8. Some of the physical hazards of chemicals include: Explosive, Flammable and Unstable. (True pr False 9. Chemical labels must have a Signal Word to alert employees of a potential hazard and its relafive level of severity. The two signal words used are Danger and Caution. True or Fals 10. A chemical is considered a carcinogen if it has been shown to cause cancer. (Trug or False ¥ Pure water is neutral, has a pH balance of 7 and can neutralize/weaken both bases and acids.@f False contact is but which causes a reversible inflammatory effect at the sit 12. A chemical that is not a corrosive, considered toxic. True or ’,= : ployees are exposed to chemicals through three primary routes; contact, inhalation and swallowing, 3. Trug or False ; ik 14. Ingeésting chemicals usually happens when an employee doesn't wash their hands before eating, @m’ Fa 15 A pictogram is a composition which is intended to convey specific information about the hazards 6f a cher OSHA has mandated eight specific pictograms to be used on chemical labels. (True or False o . detailed information bulletin prepared by the manufacturer or impt 16. The SDS is a standardized, 16-section rueor False chemical that describes the chemical. r learning of new or significant infi 7. SDSs must be printed in English and Spanish. True or alse 8. Manufacturers and importers have up to one year to update SDSs afte ' ' 7 ial. True o regarding the chemical hazard potentia i n‘ : : @ PPE is usually an optional step for employees In dealing with hazardous cher‘mcals. Tr\; ontals Any employee is qualified to help with the clean-up of a chemical leak or spill. True o A N R F RPN
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hello maam/sir, kindly help me with this numbers please... kindly provide complete solution.. I PROMISE to give 5 star rating directly
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In any manufacturing process, reaction monitoring ensures that a chemical reaction proceeds as expected. Table 1 shows the monitoring data for the formation of chlorohexane, collected using a technique called gas chromatography. Note that the concentrations of the chlorohexane solutions are given in millimoles per litre (mmol l–1). The abbreviation mM (millimolar) is frequently used. Plot a graph of the data in Table 1. The graph should be drawn on graph paper or use fine grid if it’s drawn on Excel.
Elapsed Time/Hours
Concentration of Chlorohexane/mM
0
0
2
40
4
65
6
80
8
90
10
95
12
99
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Prompt 2- How can a new substance (a gas) be produced and the total mass of the closed
system not change?
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Decomposition of H202 Data (1) - Word
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12 A A Aa
、 |A|三▼三▼i、|EE|2↓T
Po
lal
AaBbCcD AABBCCD AaBbC AABBCCC Aa
I U - ab x, x A A-
|■===|=。12-田
T No Spac.. Heading 1
T Normal
Heading 2
Titl
Font
Paragraph
Styles
Chemical equation used:
2 Mn04 + 5 H2O2 + 6 H* →2 Mn2+ + 5 02 + 8 H2O
[MnO4] = 0.0090 M
Volume H2O2 used: 1.0 mL
Volume H2S04 used: 7.0 mL
Trial 1: 41.9 mL MnO4 used
Trial 2: 40.4 mL used
Trial 3: 40.01 mL used
Remember you want to find the M (mol/L) of H2O2. You must use stoichiometry to find
moles of H2O2 and the volume of hydrogen peroxide used to get liters. Calculate the
concentration for each trial and average the results.
Thar nocho mictrv
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For A⟶products, time and concentration data were collected and plotted as shown.
[?] (?)
t (s)
0.6000.600
00.000.0
0.4840.484
30.030.0
0.4050.405
60.060.0
0.3490.349
90.090.0
order =
k =
units =
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LUTCA
Chapter 3 Homework: Allie Burt
← Chapter 3 Homework
Question 13 of 14
View Policies
Current Attempt in Progress
r
Save for Later
L
WP NWP Assessment Player Ul Application
education.wiley.com
g of malachite were originally used.
Chemistry I (Science Majors) (CHEM-141...
Ć
Malachite is a green copper mineral with the formula Cu₂CO3(OH)2. It can be converted into copper metal in a number of ways. One
method extracts the metal by reacting the malachite with sulfuric acid to form CuSO4, and then adding iron to the CuSO4 solution
which, after they react, forms FeSO4 and copper metal. The balanced chemical reactions are:
Cu₂CO3(OH)2 (s) + 2 H₂SO4 (aq) →2 CuSO4 (aq) + 3 H₂O (1) + CO₂ (g)
CuSO4 (aq) + Fe (s) →FeSO4 (aq) + Cu (s)
If the final solution is dried, and 3.28 g of iron sulfate is collected, how many grams of malachite were originally used?
W Wiley Course Resources
-/1 = :
Attempts: 0 of 3 used
Submit Answer
Quest
Multipar
Quest
Multiple
Ques
Numer
Ques
Numer
Units
Que
Multip
Que…
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Identify the reaction type for reactions #1, #2, and #3.
Large
Element
Element
#:
%232: Hydrocarbon
punodwo)
B.
CO2(g)
(6)2)
Element
→ CO,
Large
Element
(6)o°H +
+.
# 3:
B.
punodwom
Tap below to toggle through answer options and
to identify the reaction type for each of the three reactions.
The type of
reaction for
Reaction #1
The type of
reaction for
reaction for
The type of
Reaction #2
Reaction # 3
is
Decomposition
Combustion
Tap here to select
answer.
+.
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In the reaction 2C(s) + O_2(s) ----> 2CO(g), what is the volume ratio between O₂ and CO?
a 1:1
b 2:1
c. 1:2
d. 2:2
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9
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Please answer ASAP
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Some ionic can include in their solid structures in specific proportions. For example anhydrous copperII sulfate form a hydrate according to the reaction equation below. Determine the number of water moléculas in the hydrate ( x in the equation) from the following information. A 1.000g sample of anhydrous CuSO4 adsorbed water and became completely hydrated. This sample then weighed 1.65g
CuSO4+x H2O --> CuSO4 . x H2O
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in text form with proper workings and explanation for each and every part and steps with concept and introduction no AI no copy paste remember answer must be in proper format with all working!!!!!!!
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A student working in lab is reacting calcium oxide with water by dropping lumps of calcium oxide into the distilled water.
CaO (s) + H2O (ℓ) → Ca(OH)2 (aq)
Which actions or changes can the student make to increase the number of effective collisions between CaO and H2O?
[Specify all that are correct.]
Group of answer choices
- Use a larger beaker.
- Add heat.
- Decrease the amount of water.
- Grind up the lumps of calcium oxide.
- Use a catalyst.
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With the images attached please write 3 paragraphs
1st paragraph: objective stated clearly
2nd paragraph: complete condense method describe
3rd paragraph: analysis explained
Please please please answer everything it's very important please answer super super fast
Make sure to write everything in 3 paragraphs
Don’t forget get to write it in paragraphs
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- hello maam/sir, kindly help me with this numbers please... kindly provide complete solution.. I PROMISE to give 5 star rating directlyarrow_forwardIn any manufacturing process, reaction monitoring ensures that a chemical reaction proceeds as expected. Table 1 shows the monitoring data for the formation of chlorohexane, collected using a technique called gas chromatography. Note that the concentrations of the chlorohexane solutions are given in millimoles per litre (mmol l–1). The abbreviation mM (millimolar) is frequently used. Plot a graph of the data in Table 1. The graph should be drawn on graph paper or use fine grid if it’s drawn on Excel. Elapsed Time/Hours Concentration of Chlorohexane/mM 0 0 2 40 4 65 6 80 8 90 10 95 12 99arrow_forwardPrompt 2- How can a new substance (a gas) be produced and the total mass of the closed system not change?arrow_forward
- Decomposition of H202 Data (1) - Word Search Design Layout References Mailings Review View Developer Help 12 A A Aa 、 |A|三▼三▼i、|EE|2↓T Po lal AaBbCcD AABBCCD AaBbC AABBCCC Aa I U - ab x, x A A- |■===|=。12-田 T No Spac.. Heading 1 T Normal Heading 2 Titl Font Paragraph Styles Chemical equation used: 2 Mn04 + 5 H2O2 + 6 H* →2 Mn2+ + 5 02 + 8 H2O [MnO4] = 0.0090 M Volume H2O2 used: 1.0 mL Volume H2S04 used: 7.0 mL Trial 1: 41.9 mL MnO4 used Trial 2: 40.4 mL used Trial 3: 40.01 mL used Remember you want to find the M (mol/L) of H2O2. You must use stoichiometry to find moles of H2O2 and the volume of hydrogen peroxide used to get liters. Calculate the concentration for each trial and average the results. Thar nocho mictrvarrow_forwardFor A⟶products, time and concentration data were collected and plotted as shown. [?] (?) t (s) 0.6000.600 00.000.0 0.4840.484 30.030.0 0.4050.405 60.060.0 0.3490.349 90.090.0 order = k = units =arrow_forwardLUTCA Chapter 3 Homework: Allie Burt ← Chapter 3 Homework Question 13 of 14 View Policies Current Attempt in Progress r Save for Later L WP NWP Assessment Player Ul Application education.wiley.com g of malachite were originally used. Chemistry I (Science Majors) (CHEM-141... Ć Malachite is a green copper mineral with the formula Cu₂CO3(OH)2. It can be converted into copper metal in a number of ways. One method extracts the metal by reacting the malachite with sulfuric acid to form CuSO4, and then adding iron to the CuSO4 solution which, after they react, forms FeSO4 and copper metal. The balanced chemical reactions are: Cu₂CO3(OH)2 (s) + 2 H₂SO4 (aq) →2 CuSO4 (aq) + 3 H₂O (1) + CO₂ (g) CuSO4 (aq) + Fe (s) →FeSO4 (aq) + Cu (s) If the final solution is dried, and 3.28 g of iron sulfate is collected, how many grams of malachite were originally used? W Wiley Course Resources -/1 = : Attempts: 0 of 3 used Submit Answer Quest Multipar Quest Multiple Ques Numer Ques Numer Units Que Multip Que…arrow_forward
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