Pure substance, a heterogeneous mixture, or a homogeneous mixture
- For the following substances, state whether they are most likely a pure
substance, a heterogeneous mixture, or a homogeneous mixture (8 points)
a) Tap water
b) Beach sand
c) Copper wire
d) A suspiciously cheap “gold” ring sold at the University center by some
guy named “Rainbow” - Given the following information write the complete chemical symbol
(i.e. complete with appropriate superscripts) for each element or ion (8
points)
Number of
Neutrons
Number of
Electrons
Number of
Protons
Symbol
13 12 12
19 18 17
6 2 5
35 27 29 - Given the following chemical symbols for an atom or ion, write down
the number of protons, neutrons and electrons (8 points)
Chemical symbol Number of
Protons
Number of
Neutrons
Number of
Electrons
18O
2-
40Ca2+
40Ar
131I
- Write down the chemical formula for an ionic compound of the
following combinations of metals and nonmetals (8 points)
a) Sodium and Sulfur
b) Calcium and Chlorine
c) Aluminum and Oxygen
d) Potassium and Bromine - Provide the names for the following chemical compounds or ions (8
points)
a) HClO
b) H2SO4
c) IO4
- d) SO4
2-
- Draw chemical structures (i.e. use lines to indicate bonds between
atoms, and show all atoms) for the following organic molecules or
functional groups (8 points)
a) Butane
b) Cycloheptane
c) Draw an alcohol functional group (use the letter ‘R’ to represent the
organic part(s) of the molecule)
d) Draw a carboxylic acid functional group (use the letter ‘R’ to represent
the organic part(s) of the molecule) - Determine the percentage by mass of C, H and O in propanol (C3H7OH;
or C3H8O) (8 points) - If 37.8g of propanol is combusted, how many grams of carbon dioxide
is produced? Be sure to include the balanced chemical equation for the
combustion of propanol as part of your answer (12 points) - If 48.7 grams of magnesium chloride is dissolved in 4.35 L of water,
what is the resulting molarity of the magnesium chloride solution? (6
points) - Indicate whether the following ionic compounds are most likely
soluble or insoluble in aqueous solution (8 points)
a) NaBr
b) NH4OH
c) AgCl
d) Mg(OH)2 - Write the balanced molecular equation and the net ionic equation for
the neutralization reaction between magnesium hydroxide, Mg(OH)2, and
hydrochloric acid, HCl (10 points) - What are the oxidation numbers assigned to the following atoms of
each element? (8 points)
a) CH3COOH
b) ClO- c) S8
Sample Solution
consistent with Honey and Mumfordâs getting to know style questionnaire (1992) studying is visible as a non-stop cycle in which someone has a gaining knowledge of revel in, evaluations the experience, concludes from that enjoy and plans the next step. a personâs choices for one or extra of the ranges of the getting to know cycle translate heterogenous mixture or a homogenous mixture into strengths and weaknesses of learning style. In experiential getting to know concept, the version of fashion is primarily based on a idea of getting to know. The concept defines 4 stages within the method of gaining knowledge of from revel in: concrete enjoy; reflective commentary; summary conceptualization; and lively experimentation. person getting to know styles are heterogeneous mixture or a homogeneous mixture described through someoneâs reliance on those four getting to know mo heterogenous mixture or a homogenous mixture des. (Boyatzis and Kolb, 1995) Gagne (1984) says those strategies âpermit novices to pick at suitable times the highbrow abilties and declarative know-how they will carry to undergo on studying, remembering, and problem fixingâ. 1. VARK advent of VARK: The VARK stands for visible (V), Aural (A), study/Write (R), and Kinesthetic (ok). it’s far a tool for learner to analyze their getting to know style. in line with the Fleming (2009) VARK is a questionnaire that offers customers with a profile in their mastering options. it’s miles approximately a learnerâs options for taking in and giving out records in a mastering context. The cause of VARK is to assist learner to consider their gaining knowledge of style in multiple methods. It indicates a few ideas for learner to recognize which learning strategies are suitable for them and how they are able to study efficaciously. however, the hassle of VARK is that questionnaire does not display something about motivation. It best contributes to enhance mastering. freshmen simplest can exchange the heterogenous mixture or a homogenous mixture ir take a look at strategies based totally on their VARK consequences (Fleming, 2009). My learning style result of VARK is as follows: in step with my VARK result, i have were given 9 marks in Aural. visible, study/ Write in addition to Kinesthetic are all in seven marks. It indicates that i’m a multimodal gaining knowledge of fashion. i’m able to examine from one-of-a-kind mastering patterns and it implies that i have sturdy in Aural location. Aural learner learns by using listening who loves to be furnished with aural commands. In reality, my result of heterogeneous mixture or a homogeneous mixture the VARK is closes healthy to my own learning style as I frequently use different studying methods under exce heterogenous mixture or a homogenous mixture ptional conditions. for instance, I choose attend institution discussions, lecture and academic. At faculty, i really like to wait the lecture to lectern the instructor to rationalization. inside the final yr project, I revel in talk with my group members and provide an explanation for new idea to others. additionally I follow my institution leader commands to locate a few useful records from the net for our task. however, I additionally as a visible fashion learner. visible learner prefers demonstrations in their gaining knowledge of and might examine thru descriptions. In my operating experience, I work in Wellcome supermarket, my manager established that the way to positioned the goods on the shelve>
consistent with Honey and Mumfordâs getting to know style questionnaire (1992) studying is visible as a non-stop cycle in which someone has a gaining knowledge of revel in, evaluations the experience, concludes from that enjoy and plans the next step. a personâs choices for one or extra of the ranges of the getting to know cycl heterogenous mixture or a homogenous mixture e translate into strengths and weaknesses of learning style. In experiential getting to know conce heterogeneous mixture or a homogeneous mixture pt, the version of fashion is primarily based on a idea of getting to know. The concept defines 4 stages within the method of gaining knowledge of from revel in: concrete enjoy; reflective commentary; summary conceptualization; and lively experimentation. person getting to know styles are described through someoneâs reliance on those four getting to know modes heterogenous mixture or a homogenous mixture . (Boyatzis and Kolb, 1995) Gagne (1984) says those strategies âpermit novices to pick at suitable times the highbrow abilties and declarative know-how they will carry to undergo on studying, remembering, and problem fixingâ. 1. VARK advent of VARK: The VARK stands f heterogeneous mixture or a homogeneous mixture or visible (V), Aural (A), study/Write (R), and Kinesthetic (ok). it’s far a tool for learner to analyze their getting to know style. in line with the Fleming (2009) VARK is a questionnaire that offers customers with a profile in their mastering options. it’s miles approximately a learnerâs options for taking in and giving out records in a mastering context. The cause of VARK is to assist learner to consider their gaining knowledge of style in multiple methods. It indicates a few i heterogenous mixture or a homogenous mixture deas for learner to recognize which learning strategies are suitable for them and how they are able to study efficaciously. however, the hassle of VARK is that questionnaire does not display something about motivation. It best contributes to enhance mastering. freshmen simplest can exchange their take a look at strategies based totally on their VARK consequences (Fleming, 2009). My learning style result of VARK is as follows: in step with my VARK result, i have were given heterogenous mixture or a homogenous mixture 9 marks in Aural. visible, study/ Write in addition to Kinesthetic are all in seven marks. It indicates that i’m a multimodal gaining knowledge of fashion. i’m able to examine from one-of-a-kind mastering patterns and it implies that i have sturdy in Aural location. Aural learner learns by using listening who loves to be furnished with aural commands. In reality, my result of the VARK is closes healthy to my own learning style as I frequen heterogenous mixture or a homogenous mixture tly use different studying methods under exceptional conditions. for instance, I choose attend institution discussions, lecture and academic. At faculty, i really like to wait the lecture to lectern the instructor to rationalization. inside the final yr project, I revel in talk with my group members and provide an explanation for new idea to others. additionally I follow my institution leader commands to locate a few useful records from the net for our task. h heterogenous mixture or a homogenous mixture owever, I additionally as a visible fashion learner. visible learner prefers demonstrations in their gaining knowledge of and might examine thru descriptions. In my operating experience, I work in Wellcome supermarket, my manager established that the way to positioned the goods on the shelve>
Is this question part of your Assignment?
We can help
Our aim is to help you get A+ grades on your Coursework.
We handle assignments in a multiplicity of subject areas including Admission Essays, General Essays, Case Studies, Coursework, Dissertations, Editing, Research Papers, and Research proposals
Header Button Label: Get Started NowGet Started Header Button Label: View writing samplesView writing samples