Exam 4 - CHE105 Exploring Chemistry
Name:
December, 2007
MULTIPLE CHOICE. (5 pts each) Choose the one alternative that best completes the statement or answers the question.
_ _1) This molecule is an example of a(n) . . . ? A) Amino acid B) Triglyc
CHE-105 Exploring Chemistry Homework Chapter 6
Name _
Consider the following equations: a. B(OH)3 + H2O B(OH)2O- + H3O+ b. NaOH + 6H2O Na(H2O)6 + OHc. NH3 + H2O NH4+ + OHd. O2NOH + H2O O2NO + H3O+ 1. Indicate which form acids and which form bas
CHE-105 Exploring Chemistry Homework Chapter 11
Name _ 1. What is the BMI of an individual that is 6' 0" and weighs 210 lbs? (210/2.2) / (6*12/39)^2 = 28 2. Classify (normal, overweight or obese) based on Body Mass Index an individual with a BMI of
CHE-105 Exploring Chemistry Homework Chapter 5
Name _ (1 pt. for each answer)
1. A solution is prepared by adding 70.13 grams of NaCl to 200 ml of water. Express the concentration is terms of a, percent 36.6 % b. moles per liter 6.00 M
2. What is
CHE-105 Exploring Chemistry Homework Chapter 6
Name _
Consider the following equations: a. B(OH)3 + H2O B(OH)2O- + H3O+ b. NaOH + 6H2O Na(H2O)6 + OHc. NH3 + H2O NH4+ + OHd. O2NOH + H2O O2NO + H3O+ 1. Indicate which form acids and which form bas
CHE-105 Exploring Chemistry Homework Chapter 11
Name _ 1. What is the BMI of an individual that is 6' 0" and weighs 210 lbs?
2. Classify (normal, overweight or obese) based on Body Mass Index an individual with a BMI of 28.
3. What is malnutrition
CHE-105 Exploring Chemistry Homework Chapter 5
Name _
1. A solution is prepared by adding 70.13 grams of NaCl to 200 ml of water. Express the concentration is terms of a, percent b. moles per liter
2. What is the final concentration of a solution
CHE-105 Homework Chapter 3 Name _ 1. Some gases do not contribute to the greenhouse effect. Indicate which of the following is cannot be a greenhouse gas? a. N2 b. NH3 c. Rn d. CO e. CHF2Cl f. N2O g. H2O h. H2 2. What is the molecular weight for each
CHE-105 Homework Chapter 3 Name _ 1. Some gases do not contribute to the greenhouse effect. Indicate which of the following is cannot be a greenhouse gas? a. N2 b. NH3 c. Rn d. CO e. CHF2Cl f. N2O g. H2O h. H2 2. What is the molecular weight for each
CHE-105 Chapter 2 Homework Name KEY .
1. Examine Figure 2.7 1.1 Which type of electromagnetic radiation has the highest energy? a. gamma rays 1.2 Which has the longest wave length? f. microwaves 1.3 Which has a frequency just lower than UV? d. visib
CHE-105 Exploring Chemistry Chapter 1 Homework
1. Classify each as element, compound, homogeneous mixture or heterogeneous mixture. a. pure water compound b. air homogeneous mixture c. argon element d. carbon dioxide compound e. lemonade heterogene
CHE-105 Chapter 2 Homework Name _
1. Examine Figure 2.7 1.1 Which type of electromagnetic radiation has the highest energy? 1.2 Which has the longest wave length? 1.3 Which has a frequency just lower than UV? a. gamma rays b. x-rays c. UV rays d. vi
CHE-105 Exploring Chemistry Chapter 1 Homework
Name _
1. Classify each as element (e), compound (c), homogeneous (hm) or heterogeneous (ht) mixture. a. pure water _ b. air _ c. argon _ d. carbon dioxide _ e. lemonade _ f. concrete _ g. brass _ 2.
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