Nitrogen Gas

Charmaine Llagas. Project Officer: Thomas D. Snyder.

Description

• exposé - matière potentielle : problem
• exposé
• expression écrite

Set 5 Manufactured Substances in Industry Perfect Score F4 2010 Chemistry Perfect Score Module Form 4 2010 Set 5 82 PAPER 2 : SRUCTURE 1 Ammonia is produced in mass quantities in industry through a process as shown in diagram 1 below. (a) State the name of the process for the production of ammonia in industry. ............................................................................................................................................................... [1 mark] (b) Write an equation for the process stated in (a)? .............................................................................................................................................................. [1 mark] (c) State the catalyt used in this process? ............................................................................................................................................................... [1 mark] (d) Other than the use of catalyst, state two conditions required for optimum production of ammonia.

• aqueous ammonia
• monomer of polychloroethene
• copper block
• equation for the formation of sulphur trioxide
• monomer for the respective monomer
• ammonia gas
• diagram
• statement
• problem

Sujets

• Problem
• Exposé
• Statement
• Monomer
• Diagram
• Copper
• Sulfur
• Ammonia

Informations

• Publié par: mavog
• Nombre de lectures: 41
• Langue: English

Extrait

Status and Trends
in the Education
of Hispanics
U.S. Department of Education
Institute of Education Sciences
NCES 2003–008Status and Trends
in the Education
of Hispanics
U.S. Department of Education
Institute of Education Sciences
NCES 2003–008
April 2003
Charmaine Llagas
American Institutes
for Research
Thomas D. Snyder
Project Officer
National Center for
Education StatisticsU.S. Department of Education
Rod Paige
Secretary
Institute of Education Sciences
Grover J. Whitehurst
Director
National Center for Education Statistics
Val Plisko
Associate Commissioner
The National Center for Education Statistics (NCES) is the primary federal entity for
collecting, analyzing, and reporting data related to education in the United States
and other nations. It fulfills a congressional mandate to collect, collate, analyze,
and report full and complete statistics on the condition of education in the United
States; conduct and publish reports and specialized analyses of the meaning
and significance of such statistics; assist state and local education agencies in
improving their statistical systems; and review and report on education activities
in foreign countries.
NCES activities are designed to address high priority education data needs; provide
consistent, reliable, complete, and accurate indicators of education status and trends;
and report timely, useful, and high quality data to the U.S. Department of Education,
the Congress, the states, other education policymakers, practitioners, data users,
and the general public.
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like to hear from you. Please direct your comments to:
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Institute of Education Sciences
U.S. Department of Education
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Washington, DC 20006–5651
April 2003
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Suggested Citation
U.S. Department of Education, National Center for Education Statistics. Status and
Trends in the Education of Hispanics, (NCES 2003–008), by Charmaine Llagas. Project
Officer: Thomas D. Snyder. Washington, DC: 2003.
For ordering information on this report, write:
U.S. Department of Education
ED Pubs
P.O. Box 1398
Jessup, MD 20794–1398
Or call toll free 1–877–4ED–Pubs
Content Contact:
Thomas D. Snyder
(202) 502–7452
[e-mail]
Many people have contributed to the devel- Jason Sellers, and Thea Kruger (formerly) of
opment of Status and Trends in the Education the Education Statistics Services Institute
of Hispanics. Charmaine Llagas of the Ameri- (ESSI) of AIR assisted with the technical re-
can Institutes for Research (AIR) was view of the document. Heather Block of ESSI
responsible for the overall development and managed the typesetting.
preparation of this publication, which was
Status and Trends in the Education of Hispan-prepared under the general direction of
ics has received extensive reviews by severalThomas D. Snyder. Kathryn Hoffman (for-
other individuals within and outside of themerly), Corinne Calfee, Satoshi Watanabe
Department of Education. We wish to thank(formerly), Stephen Provasnik, Linda
them for their time and expert advice. BruceHamilton, Anindita Sen, and Benjamin
Taylor of NCES reviewed the manuscriptYoung of AIR provided research and statistical
and served as adjudicator of the final report.assistance. Jeanne Nathanson of the U.S.
John Sietsema and Linda Zimbler of NCES,Department of Education contibuted to the
and Herbert J. Walberg of the NCES Advi-initial development of the report. Richard
sory Council, reviewed the entire manuscript.Tobin, Stephen Provasnik, and Maria
Carolyn S. Lee of the Department ofStephens of AIR reviewed several drafts of the
Education’s Office of Vocational and Adultreport. Debra Gerald, Steve Gorman, Jerry
Education and Beth Franklin of theWest, and John Wirt of NCES assisted in pro-
Department’s Planning and Evaluation Ser-viding additional data. William Hussar and
vice also reviewed the document.Valena Plisko of NCES and David Miller,
Status and Trends in the Education of Hispanics iiiTABLE OF CONTENTS
ACKNOWLEDGMENTS .................................................................. iii
HIGHLIGHTS ................................................................................. xi
INTRODUCTION ............................................................................. 1
I DEMOGRAPHIC OVERVIEW
1 Demographic Characteristics ..................................................... 5
1.1 Population distribution and growth........................................................ 6
1.2 Age distribution of the population ......................................................... 8
1.3 Family structure....................................................................................... 10
1.4 Individuals, families, and children in poverty ...................................... 12
1.5 Children’s health risks............................................................................ 14
1.6 Infant and child mortality ...................................................................... 18
II PREPRIMARY, ELEMENTARY, AND SECONDARY EDUCATION
2 Participation .............................................................................. 21
2.1 Enrollment in preprimary education and kindergarten ..................... 22
2.2 Early literacy activities ............................................................................ 24
2.3 Elementary and secondary school enrollment .................................. 26
2.4 Before- and after-school care ................................................................ 30
2.5 Special education.................................................................................. 32
3 Persistence ................................................................................ 35
3.1 Absenteeism ........................................................................................... 36
3.2 Grade retention, suspension, and expulsion ...................................... 38
3.3 Dropout rates .......................................................................................... 40
3.4 High school completion ........................................................................ 42
4 Academics and Achievement .................................................. 45
4.1 Teacher reports on kindergartners’ approaches to learning ............ 46
4.2 Student performance in reading.......................................................... 48
4.3 Student performance in mathematics ................................................ 50
4.4 Student performance in science ......................................................... 52
4.5 Trends in credit earning and coursetaking in high school............... 54
4.6 Advanced coursetaking in high school.............................................. 56
4.7 Advanced Placement examinations ................................................... 60
4.8 Student performance on college entrance examinations ............... 62
5 Social Environments and Parental Support for Learning ........... 67
5.1 Risk factors affecting student outcomes ............................................. 68
5.2 Parental education ................................................................................ 70
Status and Trends in the Education of Hispanics vTABLE OF CONTENTS
5.3 Language spoken at home................................................................... 72
5.4 Parents’ involvement in school ............................................................ 74
5.5 Parental school choice and satisfaction ............................................ 76
6 Student Behaviors ...................................................................... 79
6.1 Civic awareness activities of youth ..................................................... 80
6.2 Community service participation of youth ......................................... 82
6.3 Students’ use of the Internet and access to computers .................. 84
6.4 Alcohol, tobacco, and illicit drug use.................................................. 86
6.5 Teenage birth rates ................................................................................ 88
6.6 Violence on school property................................................................. 90
IIIIIIIIIIIIIII POSTSECONDARARARARARY EDUCAAAAATIONTIONTIONTIONTION
7 Participation and Context ......................................................... 93
7.1 Enrollment in colleges and universities .............................................. 94
7.2 Degrees conferred by colleges and universities ............................... 98
7.3 Types of bachelor’s degrees conferred ............................................. 100
7.4 Types of master’s degrees conferred................................................. 102
7.5 Types of doctor’s degrees conferred 104
7.6 College completion rates .....................................................