Chemistry

Replies / Views	Last post
Calcium carbide (CaC2 ) reacts with water to produce acetylene (C2H2 ): CaC2 (s) + 2H2O (g) Ca(OH)2 ... Started by asan beg	1 Replies 155 Views	Aug 27, 2018 by Mochi
Which of the following would produce the most strongly acidic aqueous solution? A) HCO3- B) CO ... Started by arivle123	1 Replies 154 Views	Aug 27, 2018 by cdmart10
Lead (II) carbonate decomposes to give lead (II) oxide and carbon dioxide: PbCO3 (s) PbO (s) + ... Started by cartlidgeashley	1 Replies 123 Views	Aug 27, 2018 by zoeyesther
A 25.0 mL sample of 0.150 M hydrazoic acid is titrated with a 0.150 M NaOH solution. What is the pH ... Started by leo leo	3 Replies 269 Views	Aug 27, 2018 by nicoleclaire22
The ion with the smallest diameter is ________. A) Li+ B) Na+ C) K+ D) Rb+ E) ... Started by Alainaaa8	1 Replies 83 Views	Aug 27, 2018 by Anna
It is speculated that the reason users of PCP often experience flashbacks is that PCP is A) ... Started by bb	1 Replies 70 Views	Aug 27, 2018 by meow1234
The half-life for a first order rate law depends on the starting concentration. Indicate whether ... Started by rmenurse	1 Replies 76 Views	Aug 27, 2018 by jharrington11
What is the predominant intermolecular force in HCN? A) dipole-dipole attraction B) ion-dipole ... Started by tth	3 Replies 292 Views	Aug 27, 2018 by briezy
Which of the subshells below do not exist due to the constraints upon the angular momentum quantum ... Started by stevenposner	1 Replies 77 Views	Aug 27, 2018 by macmac
The correct name for HIO2 is ________. A) hypoiodic acid B) hydriodic acid C) periodous acid ... Started by fagboi	1 Replies 140 Views	Aug 27, 2018 by abctaiwan
Which of the following is not an allotropic form of carbon? A) graphite B) diamond C) carbide ... Started by Shelles	1 Replies 101 Views	Aug 27, 2018 by tmlewis4706
Using the VSEPR model, the electron-domain geometry of the central atom in XeF4 is ________. A) ... Started by olgavictoria	3 Replies 112 Views	Aug 27, 2018 by bitingbit
What is the molecular formula for propane? A) C2H8 B) C3H6 C) C3H8 D) C4H8 E) ... Started by jake	1 Replies 105 Views	Aug 27, 2018 by HandsomeMarc
Which of the following has the largest second ionization energy? A) Si B) Mg C) Al D) Na E) ... Started by fagboi	1 Replies 69 Views	Aug 27, 2018 by connor417
Heterogeneous catalysts have different phases from reactants. Indicate whether the statement is ... Started by FButt	1 Replies 41 Views	Aug 27, 2018 by dmurph1496
What is the molecular formula for butane? A) C2H8 B) C3H6 C) C3H8 D) C4H8 E) ... Started by gonzo233	3 Replies 100 Views	Aug 27, 2018 by juicepod
The value of G at 25 C for the formation of calcium chloride from its constituent elements, Ca (s) + ... Started by jCorn1234	1 Replies 91 Views	Aug 27, 2018 by lgoldst9
At equilibrium, ________. A) all chemical reactions have ceased B) the rates of the forward and ... Started by arivle123	1 Replies 140 Views	Aug 27, 2018 by bpool94
What is the molecular formula for octane? A) C4H10 B) C5H10 C) C6H14 D) C14H28 E) ... Started by 09madisonrousseau09	1 Replies 184 Views	Aug 27, 2018 by DylanD1323
The value of G at 25 C for the decomposition of calcium chloride into its constituent elements, ... Started by mrsjacobs44	3 Replies 89 Views	Aug 27, 2018 by Mollythedog
A 25.0 mL sample of an acetic acid solution is titrated with a 0.175 M NaOH solution. The ... Started by penguins	1 Replies 209 Views	Aug 27, 2018 by welcom1000
What role did Karl Bosch play in development of the Haber-Bosch process? A) He discovered the ... Started by moongchi	1 Replies 145 Views	Aug 27, 2018 by otokexnaru
The value of G at 373 K for the oxidation of solid elemental sulfur to gaseous sulfur dioxide, S (s, ... Started by j.rubin	1 Replies 208 Views	Aug 27, 2018 by shailee
Which of the following would produce the most strongly basic aqueous solution? A) CO B) CO32- ... Started by CQXA	3 Replies 210 Views	Aug 27, 2018 by ashely1112
Which equation correctly represents the first ionization of copper? A) Cu(g) Cu+(g) + e- B) ... Started by jhjkgdfhk	1 Replies 90 Views	Aug 27, 2018 by vboyd24