Chemistry

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Which of the following is a branch of chemistry? A) biochemistry B) inorganic chemistry C) ... Started by Zoey63294	1 Replies 419 Views	Aug 27, 2018 by emily12345
The deviation from ideal behavior of a gas is most evident at ________ and/or low temperature. ... Started by tfester	1 Replies 70 Views	Aug 27, 2018 by janieazgirl
What is the charge on the complex ion in Mg2FeCl6? A) 2- B) 2+ C) 3- D) 3+ E) ... Started by V@ndy87	1 Replies 82 Views	Aug 27, 2018 by hramirez205
What is the largest number of protons that can exist in a nucleus and still be stable? A) 206 B) ... Started by CQXA	3 Replies 73 Views	Aug 27, 2018 by mjbamaung
The three radioactive series that occur in nature end with what element? A) Bi B) U C) Po D) ... Started by berenicecastro	1 Replies 217 Views	Aug 27, 2018 by bitingbit
If the percent yield for the following reaction is 65.0, how many grams of KClO3 are needed to ... Started by nramada	1 Replies 180 Views	Aug 27, 2018 by dlook33
Which of the following elements would have the most metallic character? A. Mercury B. Iridium ... Started by sdfghj	1 Replies 65 Views	Aug 27, 2018 by Moriaki
What is the ligand in Ca3Fe(CN)62? A) Ca2+ B) Fe3+ C) CN- D) Fe(CN)63- E) ... Started by Awilson837	3 Replies 84 Views	Aug 27, 2018 by pocatato
If the percent yield for the following reaction is 75.0, and 45.0 g of NO2 are consumed in the ... Started by lindiwe	1 Replies 164 Views	Aug 27, 2018 by wshriver
Which of the following elements would have the least metallic character? A. Cobalt B. Zinc C. ... Started by jwb375	1 Replies 64 Views	Aug 27, 2018 by lauravaras
If the temperature is lowered from 60 C to 30 C, the volume of a fixed amount of gas will be one ... Started by sdfghj	1 Replies 58 Views	Aug 27, 2018 by pami445
7.0 g of nitrogen is reacted with 5.0 g of hydrogen to produce ammonia according to the chemical ... Started by roselinechinyere27m	3 Replies 137 Views	Aug 27, 2018 by meltdown117
The largest number of stable nuclei have an ________ number of protons and an ________ number of ... Started by burchfield96	1 Replies 110 Views	Aug 27, 2018 by elyse44
The charge on the silver ion is A. Ag+1. B. Ag1. C. Ag+3. D. ... Started by sarasara	1 Replies 38 Views	Aug 27, 2018 by bbburns21
Bombardment of uranium-235 with a neutron generates tellurium-135, 3 neutrons, and ________. A) ... Started by OSWALD	1 Replies 163 Views	Aug 27, 2018 by Amiracle
Petrochemicals are derived from which of the following of resources? A) atmosphere B) petroleum ... Started by strangeaffliction	3 Replies 49 Views	Aug 27, 2018 by deja
How many protons are there in the Mg2+ ion? A. 6 B. 10 C. 12 D. ... Started by rl	1 Replies 48 Views	Aug 27, 2018 by todom5090
A solution is prepared by adding 1.10 mol of KCl to 889 g of water. The concentration of KCl is ... Started by Capo	1 Replies 337 Views	Aug 27, 2018 by duy1981999
All of the following polyatomic ions have a charge of 2 except A. carbonate. B. sulfate. C. ... Started by BRWH	1 Replies 91 Views	Aug 27, 2018 by kristenb95
Which of the following is derived from a petrochemical? A) a fuel B) a paint C) a pesticide D) ... Started by Coya19@aol.com	3 Replies 42 Views	Aug 27, 2018 by jesse.fleming
The charge of the complex ion in Zn(H2O)3ClCl ________. A) 0 B) 1- C) 2+ D) 1+ E) ... Started by bobypop	1 Replies 50 Views	Aug 27, 2018 by tmlewis4706
Kinetic-molecular theory assumes that attractive and repulsive forces between gas particles are ... Started by cool	1 Replies 173 Views	Aug 27, 2018 by daiying98
According to the kinetic-molecular theory, molecules of different gases at the same temperature ... Started by jenna1	1 Replies 133 Views	Aug 27, 2018 by akudia
The correct formula for sodium bicarbonate is A. NaCO3. B. Na4(CO3)2. C. Na2CO3. D. ... Started by ishan	3 Replies 104 Views	Aug 27, 2018 by nguyenhoanhat
What is the term for the elements with atomic numbers beyond 92? A) actinide series B) ... Started by Bernana	1 Replies 98 Views	Aug 27, 2018 by Ksanderson1296