Chemistry

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What is the formula of copper(I) sulfide? What will be an ideal ... Started by ereecah	1 Replies 83 Views	Aug 27, 2018 by juicepod
What is the mass in grams of 1.000 mole of a compound whose formula is C3H7O2? A) 29.14 g B) ... Started by CharlieWard	1 Replies 75 Views	Aug 27, 2018 by jlaineee
Based on the collision theory, adding a catalyst to a reaction increases the reaction rate. ... Started by fnuegbu	3 Replies 189 Views	Aug 27, 2018 by helenmarkerine
What is the name of the compound with the formula N2O4? What will be an ideal ... Started by Brittanyd9008	1 Replies 153 Views	Aug 27, 2018 by katheyjon
Which of the following has the greatest number of atoms? A) (NH4)3PO4 B) Na2P2O3 C) (NH4)2Cr2O7 ... Started by newbem	1 Replies 76 Views	Aug 27, 2018 by eliasc0401
The correct sequence of decreasing number of atoms per formula unit in the following is ________. ... Started by lindiwe	1 Replies 147 Views	Aug 27, 2018 by bookworm410
What is the formula of potassium sulfate? What will be an ideal ... Started by jlmhmf	3 Replies 60 Views	Aug 27, 2018 by ntsoane kedibone
The number of oxygen atoms in 1 mole of Al2(SO4)3 is ________. A) 3 B) 4 C) 12 D) none of the ... Started by a0266361136	1 Replies 68 Views	Aug 27, 2018 by macmac
What is the formula of iron(III) phosphate? What will be an ideal ... Started by acc299	1 Replies 63 Views	Aug 27, 2018 by cswans24
The molar mass of Ca3(PO4)2 is ________. A) 310 B) 279 C) 246 D) ... Started by PhilipSeeMore	1 Replies 76 Views	Aug 27, 2018 by juiceman1987
The formula of sodium dichromate is ________. Fill in the blank(s) with correct ... Started by abarnes	3 Replies 153 Views	Aug 27, 2018 by amandanbreshears
The molar mass for Pb(CO3)4 is ________. A) 447 B) 409 C) 327 D) ... Started by charchew	1 Replies 103 Views	Aug 27, 2018 by blakeserpa
Which of the following has a molar mass equal to 133? A) (NH4)3PO3 B) Ca3(PO4)2 C) Al2(SO3)3 ... Started by Chelseaamend	1 Replies 57 Views	Aug 27, 2018 by yuyiding
When the equation below is balanced, the coefficient of aluminum chloride is: AlCl3 + H2SO4 ... Started by madam-professor	1 Replies 89 Views	Aug 27, 2018 by asware1
Calculate a value for Erxn for a chemical reaction if the reactants have an energy of -400 kJ/mol ... Started by serike	3 Replies 148 Views	Aug 27, 2018 by adammoses97
Propane (C3H8 ) reacts with oxygen (O2 ) to form carbon dioxide (CO2 ) and water (H2O ). When the ... Started by fahad	1 Replies 135 Views	Aug 27, 2018 by kescobar@64
Industrial chemists often have their choice of catalysts to use when designing, for example, a ... Started by Zulu123	1 Replies 59 Views	Aug 27, 2018 by yahahah24021
The molar mass of a compound X(HCO3)2 is 146. The atomic weight of X when rounded to the nearest ... Started by go.lag	1 Replies 76 Views	Aug 27, 2018 by mirabriestensky
When a reaction shows one arrow pointing from left to right, this means ________. A) the reaction ... Started by shofmannx20	3 Replies 198 Views	Aug 27, 2018 by k.lashomb
The molecular mass of a compound X(NO3)3 is 213. The atomic mass of X is ________, which is ... Started by sammy	1 Replies 152 Views	Aug 27, 2018 by Chelseyj.hasty
Which of the following statements about the equilibrium constant is incorrect? A) If Keq > 1 ... Started by vinney12	1 Replies 59 Views	Aug 27, 2018 by bblaney
The molar mass of a compound Al2(XO4)3 is 342. The atomic mass of X is ________, which is ________. ... Started by natalie2426	1 Replies 203 Views	Aug 27, 2018 by TINA
Alkanes have the general molecular formula CnH2n+2. Thus, when n = 1, the alkane is CH4, when n = 2, ... Started by evelyn o bentley	3 Replies 127 Views	Aug 27, 2018 by wtf444
Alkenes have the general molecular formula CnH2n. Thus, when n = 2, the alkene is C2H4. If an alkene ... Started by acc299	1 Replies 194 Views	Aug 27, 2018 by DHRUVSHAH
When the equation below is balanced, the coefficient of the hydrogen cyanide, HCN, is: NaCN + ... Started by burchfield96	1 Replies 86 Views	Aug 27, 2018 by bob