10. About a nuclear reactor, which statement is false? a. nuclear chain reactions are controlled by use of graphite rods

[answerhappygod]

10 About A Nuclear Reactor Which Statement Is False A Nuclear Chain Reactions Are Controlled By Use Of Graphite Rods 1 (36.64 KiB) Viewed 16 times

10. About a nuclear reactor, which statement is false? a. nuclear chain reactions are controlled by use of graphite rods b. nuclear explosions usually occur c. often located by large bodies of water d. under normal circumstances are more environmentally friendly than factories 11. When the reaction of nitric acid and sodium hydroxide is balanced, the coefficient for the sodium nitrate is? a. I c. 3 b. 2 d. 4 12. In the equation A = Z + n, the symbol Z represents? a. neutrons b. protons c. electrons d. mass number 13. A solution that has a pH of 7.5 is a. slightly acidic b. is neutral c. slightly basic d. pure water 14. If 32 grams of methane is burned in excess oxygen, how many grams of carbon dioxide will be produced? a. 88 g b. 1.875 g c. 82.5 g d. 2.0g 15. How many hydrogen atoms are contained in the formula for phosphoric acid? a. 1 b. 2 c. 3 d. 4 16. In the copper ion (Cu"", there are a. 26 b. 27 c. 28 electrons d. 29 17. An irregularly shaped metal with a mass of 8.3 g was placed in a graduated cylinder containing an initial volume of 20 ml. The volume increased to 25 when the metal was placed in the graduate cylinder. What is the density of the metal? a. 1.66g/mL b. 0.602g/mL. c. 0.553 g/mL d. 1.74 g/mL. 18. How many liters are in 2.5 gallons? (note: I gallon = 3.78L) a. 9.45L b. 10.4L c. 10.95L d. 11.35L 19. What is the molar mass of calcium chloride? a. 64 g/mol g/mol d. 110 g/mol b. 86 g/mol c. 74 If the temperature is 32°F, wh ould be the Kel temperature? (note: K=0C+273) a. 305K b. 241K d. 300K c. 273K