Chemistry

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The oxidation number of chlorine in the compound FeCl3 is ________. A) -3 B) -2 C) -1 D) +2 ... Started by james9437	1 Replies 18 Views	Aug 27, 2018 by rosiehomeworddo
What is the ideal angle between the H-C-C bond in ethylene? A) 120 B) 109.5 C) 180 D) 90 E) ... Started by skymedlock	1 Replies 18 Views	Aug 27, 2018 by ansleighelindsey
When a monosaccharide forms a cyclic hemiacetal, the carbon atom that contained the carbonyl group ... Started by tatyanajohnson	1 Replies 18 Views	Aug 27, 2018 by javimendoza7
Calculate the frequency of light associated with the transition from n = 2 to n = 3 in the hydrogen ... Started by Pineappleeh	1 Replies 18 Views	Aug 27, 2018 by tranoy
Which statement is correct for the following redox reaction? 5 Fe2+ + MnO4- +8H+ 5 Fe3+ +Mn2+ + ... Started by anshika	3 Replies 18 Views	Aug 27, 2018 by Ahnyah
Using the following thermochemical equation, determine the amount of heat produced per kg of CO2 ... Started by kellyjaisingh	1 Replies 18 Views	Aug 27, 2018 by Silverbeard98
The H- ion is called ________. A) hydroxide B) hydride C) hydranion D) ... Started by jazziefee	1 Replies 18 Views	Aug 27, 2018 by bobsmith
Which of the following can serve as the solvent in a solution? A) a gas B) a liquid C) a solid ... Started by mmm	1 Replies 18 Views	Aug 27, 2018 by asware1
Which value is closest to the mass of a 2-pound box of laundry detergent? A) 200 g B) 2.0 10-4 ... Started by colton	3 Replies 18 Views	Aug 27, 2018 by Jevvish
Which of the following species will have the highest ionization energy? A) K+ B) Ar C) Cl- D) ... Started by erika	3 Replies 18 Views	Aug 27, 2018 by heyhey123
The volume of 350. mL of gas at 25C is decreased to 135 mL at constant pressure. What is the final ... Started by PhilipSeeMore	1 Replies 18 Views	Aug 27, 2018 by smrtceo
What is the mass of 0.500 mol of dichlorodifluoromethane, CCl2F2? A) 4.14 10-3 g B) 60.5 g C) ... Started by imanialler	1 Replies 18 Views	Aug 27, 2018 by Mochi
What is the mass of a single fluorine molecule, F2? A) 3.155 10-23 g B) 6.310 10-23 g C) ... Started by vinney12	3 Replies 18 Views	Aug 27, 2018 by janieazgirl
38.325 lbs = ________ grams. (1 lb = 454 g) Fill in the blank(s) with correct ... Started by nramada	1 Replies 18 Views	Aug 27, 2018 by ricroger
Write the name for Ca3(PO4)2. A) calcium (III) phosphite B) calcium (II) phosphite C) calcium ... Started by Deast7027	1 Replies 18 Views	Aug 27, 2018 by Meganchabluk
Where does the electric energy from geothermal harvesting ultimately come from? A) solar ... Started by ts19998	3 Replies 18 Views	Aug 27, 2018 by brittrenee
Where does the electric energy from windmills ultimately come from? A) solar radiation B) the ... Started by Coya19@aol.com	1 Replies 18 Views	Aug 27, 2018 by braelync
The surface of the Venus is 450C. Why? A) There is a lot of reflection of the absorbed radiation ... Started by geodog55	3 Replies 18 Views	Aug 27, 2018 by skipfourms123
How are the disinfecting properties of ultraviolet light and ozone similar to each other? A) Both ... Started by Awilson837	1 Replies 18 Views	Aug 27, 2018 by jliusyl
Why is secondary treatment often needed for sewage? A) The dissolved organics are too high and ... Started by bb	1 Replies 18 Views	Aug 27, 2018 by pami445
What is the cause of the following symptom of pollution? There is a sharp drop in oxygen content but ... Started by bobypop	3 Replies 18 Views	Aug 27, 2018 by onowka
Which of the following effects can be observed most readily when removing extensive amounts of water ... Started by debasdf	1 Replies 18 Views	Aug 27, 2018 by ApricotDream
Which of the following elements can have an anion with 18 electrons? A) Cl B) Ar C) Sc D) ... Started by Charlie	1 Replies 18 Views	Aug 27, 2018 by xiaomengxian
Which of the following elements is a chalcogen? A) H B) N C) O D) ... Started by yoooooman	1 Replies 18 Views	Aug 27, 2018 by josephsuarez
According to the experiments of Ernest Rutherford, where can a majority of a given atom's mass be ... Started by ap345	3 Replies 18 Views	Aug 27, 2018 by Anna