Chem 154 final - Study guides, Class notes & Summaries

CHEM 154 Final UPDATED ACTUAL Questions and CORRECT Answers Period - CORRECT ANSWER- Elements in a Row Group - CORRECT ANSWER- Elements in a Column Equation for calculating the energy of one electron species. - CORRECT ANSWER- E = -2.178x10⁻¹⁸J x Z² x (1/n2) where Z is the atomic number of the element

1. For lower premolars, the purpose of inclining the handpiece lingually is to, A. Avoid buccal pulp horn B. Avoid lingual pulp horn C. Remove unsupported enamel D. Conserve lingual dentine - ANSWER A. Avoid buccal pulp horn Explanation 1- avoid BUCCAL pulp horn 2- conserve ling. dentine So take A and B if available 2. For an amalgam restoration of a weakened cusp you should, A. reduce cusp by 2mm on a flat base for more resistance B. reduce cusp by 2mm following the outli...

Chem 104 Final Practice Test Questions And Answers Verified 1 milligram is equivalent to how many grams? - 0.001 A covalent bond involves which of the following? - sharing of electrons between two atoms A molecule of deoxyribose, an essential part of DNA, contains five carbon atoms, ten hydrogen atoms, and four oxygen atoms. How would the formula of deoxyribose be represented? - C5H10O4 (Numbers low not high) A particular buffer solution consists of a weak acid and its co...

CHEM 133 LESSON 7 QUIZ AND ANSWERS LESSON 7 QUIZ Question 1 of 25 4.0/ 4.0 Points Consider a sample of gas in a container on a comfortable spring day. The Celsius temperature suddenly doubles, and you transfer the gas to a container with twice the volume of the first container. If the original pressure was 12 atm, what is a good estimate for the new pressure? A. 5.5 atm B. 12 atm C. 3 atm D. 6.4 atm E. 15 atm Feedback: See Chapter 09 Question 2 of 25 4.0/ 4.0 Points A gas sa...