Cl2 Study guides, Class notes & Summaries

Cl2 - ANSWER Chlorine boiler - ANSWER equipment that provides hot water or steam for various uses PRV - ANSWER PRESSURE RELIEVE VALVE NOWL - ANSWER Normal operating water level BTU - ANSWER British Thermal Unit absolute pressure - ANSWER gauge pressure (psi) + atmospheric pressure (14.7 psi) at sea level air changes per hour - ANSWER The hourly ventilation rate divided by the volume of a space. For perfectly mixed air or laminar flow spaces, this is equal to the number of times...

CHEM 101 FINAL EXAM REAL EXAM QUESTIONS AND CORRECT ANSWERS (VERIFIED ANSWERS) A GRADE Changes in energy can take place in what two forms? a. potential and kinetic energy b. heat and work d. heat and temperature c. thermofission and nucleosis - Answer b. heat and work The law of conservation of energy states that in chemical and physical changes, ___. a. Energy is not created or destroyed b. Energy is always released to the surroundings c. Exothermic changes are favored d. The univ...

Middle Grades Science GACE Exam Questions And Answers (Updated And Verified) What is a by-product of the fission process in a nuclear power plant and is of serious environmental concern? - answerRadioactive waste The pitch perceived by a musician listening to a sound is analogous to which wave properties? - answerFrequency The loud chirping noises made by crickets serve as the primary means by which crickets - answerattract mates Which subatomic particles has a negative charge? - answer...

Middle Grades Science GACE Exam Questions And Answers (Updated And Verified) What is a by-product of the fission process in a nuclear power plant and is of serious environmental concern? - answerRadioactive waste The pitch perceived by a musician listening to a sound is analogous to which wave properties? - answerFrequency The loud chirping noises made by crickets serve as the primary means by which crickets - answerattract mates Which subatomic particles has a negative charge? - answer...

Acids & Bases: 1. All are examples of Lewis acid-base reactions except (A) Cu2+(aq) + 4NH3(aq) →← [Cu(NH3)4]2+(aq) (B) HCl(g) + NH3(g) → NH4Cl(s) (C) H+(aq) + OH-(aq) →← H2O(l) (D) 2Na(s) + Cl2(g) → 2NaCl(s) - correct answer (D) 2Na(s) + Cl2(g) → 2NaCl(s) 2. According to the Lewis definition, an acid is a species (A) having a hydrogen ion. (B) donating a pair of electrons. (C) accepting a pair of electrons. (D) accepting a hydrogen ion. - correct answer (C) accepting ...

If the fuel efficiency of an automobile is 22 miles per gallon, what is its fuel efficiency in Kilometers per liter? ( 1Km= 0.621 mile, 1.00 L=1.057 quarts and 4 quarts = 1 gallon) - ️️9.4 Km/L *What is the correct answer to the following expression: (49.1 - 42.61 ) x 13.1? - ️️85 An intensive property of a substance is independent of amount. - ️️True Lithium has two stable isotopes with masses of 6.01512 amu and 7.01600 amu. The average atomic mass of Li is 6.941 amu. What...

the physical material of the universe. It is anything that has mass and occupies space. CORRECT ANSWER Matter is made up of relatively few elements. CORRECT ANSWER Matter The smallest building block of matter. Smallest particle that retains the chemical property of the element (O, He, S). CORRECT ANSWER Atom Each _______ is made of the same kind of atom CORRECT ANSWER Element Combination of atoms held together in specific shapes CORRECT ANSWER Molecule No fixed volume or shape, co...

REHS Practice Test(question and answers)graded A+ 2024Soil permeability procedure involves evaluating a soil core or test pit. What does the procedure yield? a. Permeability estimated seepage rate b. Permeability estimated application rate c. Permeability estimated range - correct answer b. Permeability estimate How does chlorine kill microorganisms and bacteria? a. By weakening enzymes and destroying internal organelles b. By attacking lipids in cell walls and destroying enzymes and...

What is an Ion? Atom that has lost or gained an electron What are the 7 diatomic elements? H2, N2, O2, F2, Cl2, Br2, I2 What is an allotrope? Elemental molecules with different formulas i.e. O2 and O3 What is an ionic compound? metal and nonmetal (can be polyatomic too) What is the difference between precision and accuracy? What are the three sig fig rules you need to know? 1. Zeros between nonzero digits are always significant 2. Zeroes at the start of a number are never significant 3...

TEAS 7 Test Science, Exam Questions & Answers Mg(OH)2 + HCl -> The equation above is unbalanced. Which of the following shows the molar products of the neutralization reaction after balancing? A. 2MgCl2 + H2O B. 2MgCl2 + 2H2O C. MgCl2 + H2O D. MgCl2 + 2H2O - D. MgCl2 + H2O H+ + HCO3- <-> H2O + CO2 Based on the equation above occurring in blood, which of the following would result if the reaction is moving in a forward direction? A. Blood pressure will decrease B. The bloo...