1. Which of the following is true of photosynthesis?
A. Most reactions within this process are exothermic.
B. Water is a product.
C. Oxygen is a reactant.
D. Carbon dioxide is a reactant.
2. All of the following are true regarding alcoholic fermentation, except that alcoholic fermentation
A. uses glycolysis.
B. produces ethanol.
C. produces as much energy as cell respiration.
D. does not require oxygen.
3. Vitamins are classified according to
A. their solubility in water and fat.
B. their ability to fight disease.
C. their coenzymes.
D. their functions in the body.
1. These two elements are most likely good conductors of heat and electricity and shiny when solid.
A. B and I
B. P and Se
C. Au and Br
D. Sn and Ag
2. Which pairing below does not correctly match the scientist with the contribution to the understanding of the atom?
A. Dalton and the initial proposal of the atomic theory of matter
B. Rutherford and the understanding that the atom has a small, dense nucleus with a positive charge
C. Proust and the realization that the elements of compounds are found in certain proportions by mass
D. Thomson and the law of definite proportions
3. A potassium atom can achieve a stable octet by
A. gaining one electron.
B. sharing one electron.
C. losing seven electrons.
D. losing one electron.
1. What is the specific name of the covalent compound consisting of nine carbon atoms and 20 hydrogen atoms?
A. Nonane
B. Nonacarbon decahydroxide
C. Nonahydrogen decacarbon
D. Hydrocarbon
2. Atoms of the group 15 elements tend to react to form _______ ions.
A. 52
B. 3+
C. 32
D. 5+
3. In the periodic table, the period number indicates
A. the reactivity levels for elements in that period.
B. the number of dots shown on the Lewis dot diagrams for elements in that period.
C. the number of valence electrons for elements in that period.
D. the number of the outermost energy level for elements in that period.
1. If a manager were concerned with the time value of money, from which two capital budgeting methods should the manager choose?
IRR or Payback.
BET or IRR.
BET or Payback.
NPV or ARR.
NPV or Payback.
2. What is the Roman numeral that should be used in the following: silver (_______) sulfide?
A. I
B. No Roman numeral should be used here.
C. II
D. III
3. Why is pure silicon a poor conductor at room temperature?
A. It is a metal.
B. Its valence electrons are held tightly within a crystal structure.
C. Its valence electrons are held loosely by a positive nucleus.
D. It is a nonmetal.
1. Penn Company uses a job order cost accounting system. In the last month, the system accumulated labor time tickets totaling $27,000 for direct labor and $5,400 for indirect labor. These costs were accumulated in Factory Payroll as they were paid. Which entry should Penn make to assign the Factory Payroll?
2. Marsden manufactures a cat food product called Special Export. Marsden currently has 5,000 bags of Special Export on hand. The variable production costs per bag are $1.9 and total fixed costs are $5,000. The cat food can be sold as it is for $9.1 per bag or be processed further into Prime Cat Food and Feline Surprise at an additional $2,100 cost. The additional processing will yield 5,000 bags of Prime Cat Food and 3,150 bags of Feline Surprise, which can be sold for $8.1 and $6.1 per bag, respectively.
Net Advantage (incremental income)
3. Use the following data to find the direct labor rate variance.
Direct labor standard (4.5 [email protected] $ 6/hr.) $27 per finished unit
Actual hours worked per unit 4.0 hours
Actual units produced 4,800 units
Actual rate per hour 6.25 per hour