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A chemical formula of the carbide ion is 3 Multiple Choice 8 01:18:39 SIA C2 C22-...
Aggregate Expenditures 8 01:53:18 eBook B GDP Refer to the diagram. If the full-employment level of GDP is Band aggregate expenditures are at AE3, the Multiple Choice inflationary expenditure gap is BC. recessionary expenditure gap is BC Loo oo recessionary expenditure gap is ed. * 0 inflationary expenditure gap is ed. Consumption (8 01:51:33 0 Disposable Income eBook Suppose an economy's consumption schedule shifts from a to C2, as shown in the diagram. We can say that its Multiple Choice...
1) Determine all of the ionic compounds from the compounds listed below. I. CaH2 II. H2S III. SiH4 2) A chemical formula of the carbide ion is A. Si4– B. C2– C. C22– D. CN– E. C3– 3)Which of these reactions is an example of nitrogen fixation? A. 2N2O 2N2 + O2 B. NH3 + H2O NH4+ + OH– C. N2 + O2 2NO D. 2NO2 + H2O HNO2 + HNO3 E. 2NO + O2 2NO2 4)When phosphate rock, Ca3(PO4)2(s), is...
1. (18 points; 3 points each] Multiple Choice: Circle the best answer i. Consider the following reaction: Xooot THF, A If there are no other changes, what is the effect of doubling the concentration of the starting alcohol on the rate of this reaction? a. No change b. Doubles the rate C. Triples the rate d. Quadruples the rate ii. Which nitrogen compound below would react fastest as a nucleophile in an 5, 2 reaction? NH NH N d. "NH2...
Please answer all multiple choice All questions need to be answered! Questions 1-20 are multiple choice questions. Please mark the correct circle on the Scantron form. Only the Scantron form will be graded. Scantron must be filled in before time is called Which of the following acids is not a strong acid? 5 HI b. HBr to SEHNO, HF HESO. Venter 2. Which of the following is an example of an empirical formula: a Cs Ho HO LP Fea(SO) d)...
4) (8 total points) Multiple choice questions i) (2 points) 3 long parallel current carrying wires have currents equal in magnitude but in the directions as shown. What direction is the magnetic force acting on the leftmost wire? a. Out of page b. Into page c. Up (t) d. Down (J) e. Left f. Right g. No Force ii) (2 points) A bearm of protons is accelerated to v-2.0x10° msec. They then enter a velocity selector with B-field of the...
Extra Credit, 40 points. There are 15 extra credit problems in the 4 tables below. The answers to these 15 problems are contained in the Extra Credit Answer Table Below. On your multiple choice answer sheet, write the number from the Extra Credit Answer Table that best corresponds to the 15 extra credit problems 50 Table 1. Extra Credit Problems 1-4 1. calcium nitride 2. Sr3(PO4)2 3. HCO Table 2. Extra Credit Problems 5-8 group of the periodic table. 6...
Part 2 Multiple Choice. Select the best answer for each of the questions below: 1. Which of these molecules is not an electrophile? a) CH4 b) CH3+ c) H* d) BF3 2. Which of these molecules is not a nucleophile ? a) NH3 b) OH c) CN d) H* 3. Water behaves as: a) a nucleophile b) an electrophile c) both d) neither 4. The SN2 reaction has how many steps? a) 1 b) 2 c) 3 d) 4 5....
e. 18 Test Your Knowledge MULTIPLE CHOICE: Choose the one best answer. 1. Each element has its own characteristic atom in which a. the atomic mass is constant. b. the atomic number is constant. c. the mass number is constant. d. Two of the above are correct. e. All of the above are correct. 2. Which of the following is not a trace element in the human body? a. iodine b. zinc c. iron d. calcium e. fluorine 3. A...
Exam Name MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. 1) 1) One mole of any substance contains Avogadro's number of particles of that substance. What is the numerical value of Avogadro's number? A) 12.01 23 Avagrans t Male aton 6022 x1o atums B) 6.022 x 1023 C) 6.022 x 10-23 D) 1.661 x10-24 E) 1.00 x10-14 2) What is the mass of 4.00 moles of helium, the gas commonly used to fill...
CHEM 1411. Review Exercises for Chapter 3, 7, 8. F19 1. Give the number of lone pairs around the central atom and the geometry of the ion CIO2 A) 0 lone pairs, linear 1 lone pair, bent B) C) 2 lone pairs, bent D) 3 lone pairs, bent E) 3 lone pairs, linear 2. Predict the geometry and polarity of the CS2 molecule. A) linear, polar B) linear, nonpolar C) tetrahedral, nonpolar D) bent, nonpolar E) bent, polar 3. Which...