Chemistry

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In the world's oceans, the average salinity is about ________ g/kg. A) 0.03 B) 0.1 C) 35 D) 17 ... Started by saraeharris	1 Replies 94 Views	Aug 27, 2018 by blazinlyss
A gas at a pressure of 325 torr exerts a force of ________ N on an area of 5.5 m2. A) 1.8 103 ... Started by s.tung	1 Replies 68 Views	Aug 27, 2018 by brittanywood
Which of the following are strong acids? HI HNO3 HF HBr A) HF, HBr B) HI, HNO3, HF, HBr C) HI, ... Started by corkyiscool3328	1 Replies 136 Views	Aug 27, 2018 by daiying98
In a Torricelli barometer, a pressure of one atmosphere supports a 760 mm column of mercury. If ... Started by deesands	3 Replies 245 Views	Aug 27, 2018 by amcvicar
The sterilizing action of chlorine in water is due to what substance? A) Cl- B) Cl2 C) HCl D) ... Started by hubes95	1 Replies 64 Views	Aug 27, 2018 by meganmoser117
The pH of a 0.10 M solution of a weak base is 9.82. What is the Kb for this base? A) 2.1 10-4 ... Started by mydiamond	1 Replies 127 Views	Aug 27, 2018 by xiaomengxian
Which hydroxides are strong bases? Sr(OH)2 KOH NaOH Ba(OH)2 A) KOH, Ba(OH)2 B) KOH, NaOH C) ... Started by asan beg	1 Replies 109 Views	Aug 27, 2018 by vkodali
Consider the conversion of white tin to gray tin: Sn(white) Sn(gray) H = -2.09 kJ S = -7.41 J/K ... Started by Chelseaamend	3 Replies 210 Views	Aug 27, 2018 by kthug
Of the nonradioactive halogens, which is the largest? What will be an ideal ... Started by rosent76	1 Replies 60 Views	Aug 27, 2018 by ttt030911
A neutralization reaction between an acid and a metal hydroxide produces ________. A) water and a ... Started by OSWALD	1 Replies 93 Views	Aug 27, 2018 by amandalm
A ________ orbital is degenerate with a 5dz2 in a many-electron atom. A) 5pz B) 4dz2 C) 5s D) ... Started by LCritchfi	1 Replies 1,451 Views	Aug 27, 2018 by tashiedavis420
What is the maximum number of triple bonds that a carbon atom can form? A) 4 B) 1 C) 0 D) 2 ... Started by go.lag	3 Replies 159 Views	Aug 27, 2018 by nanny
When heated, mercury(II) oxide decomposes into elemental mercury and oxygen: 2 HgO(s) 2 Hg(l) + ... Started by lbcchick	1 Replies 96 Views	Aug 27, 2018 by Eunice618
Many metals are ductile, which means that they can be hammered into thin sheets. Indicate whether ... Started by xroflmao	1 Replies 76 Views	Aug 27, 2018 by missalyssa26
Methanol can be produced from carbon monoxide and hydrogen with suitable catalysts: CO(g) + 2 ... Started by jon_i	1 Replies 86 Views	Aug 27, 2018 by GCabra
What is the molar mass of Co(NO3)2? A) 90 g/mol B) 121 g/mol C) 152 g/mol D) 183 ... Started by crazycityslicker	3 Replies 163 Views	Aug 27, 2018 by macagn
What halogen, other than astatine, is not usually found in seawater? What will be an ideal ... Started by corkyiscool3328	1 Replies 60 Views	Aug 27, 2018 by efwsefaw
Silicon technology is based on the fact that silicon oxide is a chemically stable conductor. ... Started by Capo	1 Replies 69 Views	Aug 27, 2018 by millet
The 3p subshell in the ground state of atomic silicon contains ________ electrons. A) 2 B) 6 C) ... Started by Melani1276	1 Replies 127 Views	Aug 27, 2018 by bimper21
The concentration of a gas is 3.18 103 ppm at in a container where its partial pressure is 0.591 ... Started by deesands	3 Replies 283 Views	Aug 27, 2018 by atrochim
He gas is contained in a one-liter flask that is connected to an empty one-liter flask with a closed ... Started by asan beg	1 Replies 252 Views	Aug 27, 2018 by patma1981
Which of these metals is the least easily oxidized? Na Au Fe Ca Ag A) Na B) Au C) Fe D) Ca E) ... Started by renzo156	1 Replies 264 Views	Aug 27, 2018 by frre432
Galvanized iron is iron coated with ________. A) magnesium B) zinc C) chromium D) phosphate ... Started by Diane	1 Replies 173 Views	Aug 27, 2018 by anyusername12131
A sample of H2 gas (12.28 g) occupies 100.0 L at 400.0 K and 2.00 atm. A sample weighing 9.49 g ... Started by ap345	3 Replies 766 Views	Aug 27, 2018 by Meganchabluk
How much essential body fat does the male body require? A) 3 B) 11 C) 15 D) ... Started by mrsjacobs44	1 Replies 71 Views	Aug 27, 2018 by aprice35067