...Trinity Christian School Poblacion, San Leonardo, N.E. 1st Qtr. Prelims SCIENCE 2 Name: _______________________________ Score: ________ Year & Section: ________________________ Date: _________ I. Direction: Identify the following. Choose your answer from the box. Write only the letter on the blank. T- adaptation Y- meteorites N- saurus R- amphibians O- fossils O- Dinisaurs U- core H- Precambrian Era E- Charles Darwin S- geologist ___ 1. Rocks from outer space. ___ 2. Giant reptiles ___ 3. The hottest layer of Earth. ___4. The first prehistoric animals with backbone. ___ 5. The oldest and longest era. ___ 6. Evidences of plants and animals of the past ___ 7. Means lizard. ___ 8. The father of Theory of Evolution ___ 9. Study about rocks and beginning of Earth. ___ 10. The ability of plants and animals to protect themselves. II. Direction: Write True if the statement is true and false if it is not true. _____ 1. Black – widow spiders have poisonous bites. _____ 2. The first living organisms on Earth were bacteria and algae. _____ 3. The first plants and animals lived in the sea. _____ 4. The unit of time based on changes on Earth is scale. _____ 5. Human being appeared during Mesozoic era. _____ 6. the first vertebrates is found below the crust. _____ 7. The mantle is found below the crust. _____ 8. Plants and animals adapt to their environment to be able to protect themselves. _____ 9. The carapace of the turtle...
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...from the starting state: P 1 V1 nmols = ÅÅÅÅÅÅÅÅÅÅÅÅÅÅÅÅ ê. nums ; Å Rla T1 subs = Append@nums, n -> nmolsD 8V1 Ø 10, T1 Ø 298, P1 Ø 10, P2 Ø 1, R Ø 8.3144, Rla Ø 0.082057, n Ø 4.08948< Finally, this constant will convert liter-atm energy units to Joule energy units. All results are given in Joules: laToJ = 101.325 ; ü 1. Reversible, Isothermal Process In an isothermal process for an ideal gas, DU = 0 ; DH = 0 ; thus heat and work are equal and given by: P2 q = w = n R T1 LogA ÅÅÅÅÅÅÅ E J ê. subs P1 -23330.9 J 16 Notes on Gaskell Text ü 2. Reversible Adiabatic Expansion In an adiabatic expansion q = 0; and P V g is a constant. Thus the final state has 1êg g P2 V2 i P1 V1 y Å ; T2 = ÅÅÅÅÅÅÅÅÅÅÅÅÅ ê. g -> 5 ê 3 Å V2 = j ÅÅÅÅÅÅÅÅÅÅÅÅÅÅÅ z j z n Rla k P2 { P1 V 1 P2 I ÅÅÅÅÅÅÅÅÅÅÅÅÅ M P ÅÅÅÅÅÅÅÅÅÅÅÅÅÅÅÅ2 ÅÅÅÅÅÅÅÅÅ ÅÅÅÅÅÅÅÅ Å n Rla 5ê3 3ê5 For an ideal gas cv = 3R/2; thus 3 DU = ÅÅÅÅ n R HT2 - T1 L ê. subs 2 -9147.99 or we can use 3 DU = ÅÅÅÅ HP2 V2 - P1 V1 L laToJ ê. Append@subs, g -> 5 ê 3D 2 -9148.02 For some numeric results, the final temperature and volumes were ad2 = N@8V2 , T2 < ê. Append@subs, g -> 5 ê 3DD 839.8107, 118.636< The work done is dw = -DU 9148.02 For an ideal gas c p = 5R/2; thus the enthalpy change is 5 DH = ÅÅÅÅ HP2 V2 - P1 V1 L laToJ ê. Append@subs, g -> 5 ê 3D 2 -15246.7 or Notes on Gaskell Text 17 5 DH = ÅÅÅÅ n R HT2 - T1 L ê. subs 2 -15246.7 For numerical results in the subsequent...
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...Sample Problems - Chapter 7 1. Which of the following statements is most correct? a. Bond prices and interest rates move in the same direction, i.e., if interest rates rise, so will bond prices. b. The market price of a discount bond will approach the bond's par value as the maturity date approaches. Barring changes in the probability of default, there is no way the value of the bond can fail to increase each year as the time to maturity approaches. c. The "current yield" on a noncallable discount bond will normally exceed the bond's yield to maturity. d. The "current yield" on a noncallable discount bond will normally exceed the bond's coupon interest rate. e. All of the statements above are false. 2. If the yield to maturity decreased 1 percentage point, which of the following bonds would have the largest percentage increase in value? a. A 1-year bond with an 8 percent coupon. b. A 1-year zero-coupon bond. c. A 10-year zero-coupon bond. d. A 10-year bond with an 8 percent coupon. e. A 10-year bond with a 12 percent coupon. 3. Which of the following statements is most correct? a. The discount or premium on a bond can be expressed as the difference between the coupon payment on an old bond, which originally sold at par, and the coupon payment on a new bond, selling at par, where the difference in payments is discounted at the new market rate. b. The price of a coupon bond is determined primarily by the number of years to maturity. c. On a coupon...
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...SECTION 7A HEATING AND VENTILATION SYSTEM CAUTION: Disconnect the negative battery cable before removing or installing any electrical unit or when a tool or equipment could easily come in contact with exposed electrical terminals. Disconnecting this cable will help prevent personal injury and damage to the vehicle. The ignition must also be in B unless otherwise noted. TABLE OF CONTENTS Description and Operation . . . . . . . . . . . . . . . . . . 7A-2 Heating and Ventilation Systems . . . . . . . . . . . . 7A-2 Component Locator . . . . . . . . . . . . . . . . . . . . . . . . 7A-3 Control Assembly . . . . . . . . . . . . . . . . . . . . . . . . . 7A-3 Blower Module Assembly . . . . . . . . . . . . . . . . . . . 7A-4 Air Distributor and Heater Module Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7A-5 Diagnostic Informatin and Procedures . . . . . . . 7A-6 Heater System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7A-6 Insufficient Heating or Defrosting . . . . . . . . . . . . 7A-6 Blower Electrical . . . . . . . . . . . . . . . . . . . . . . . . . 7A-10 Improper Air Delivery or No Mode Shift . . . . . . 7A-11 Too Much Heat . . . . . . . . . . . . . . . . . . . . . . . . . . . 7A-13 Controls . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7A-15 Blower Noise . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7A-16 Repair Instructions . . . . . . . . . . . . . . . . . . . . . . . . 7A-18 On-Vehicle...
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