Chemistry

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Alkynes have the general molecular formula CnH2n-2. Thus, when n = 2, the alkyne is C2H2 etc. If an ... Started by eruditmonkey@yahoo.com	1 Replies 125 Views	Aug 27, 2018 by stano32
Which of the following quantities does not share the same molar mass as the others when rounded to ... Started by james0929	3 Replies 85 Views	Aug 27, 2018 by katara
For the following reaction, the equilibrium constant, Keq, is equal to 53.3. What is the ... Started by bclement10	1 Replies 93 Views	Aug 27, 2018 by vickyvicksss
For which of the following values of an equilibrium constant, Keq, would you expect the equilibrium ... Started by londonang	1 Replies 245 Views	Aug 27, 2018 by ecabral0
Heptane is always composed of 84.0 carbon and 16.0 hydrogen. This illustrates the Law of A) ... Started by Kthamas	1 Replies 86 Views	Aug 27, 2018 by iceage
The equilibrium constant is equal to which of the following? A) kforward / kreverse B) kreverse ... Started by karen	3 Replies 66 Views	Aug 27, 2018 by fraziera112
2 g of sulfur will react with 3 g of oxygen to produce 5 g of sulfur trioxide. If 54 g of sulfur and ... Started by K@	1 Replies 245 Views	Aug 27, 2018 by Yixagurpuldink
16 g of oxygen gas is equal to ________. A) the mass of one atom B) the mass of one molecule C) ... Started by cherise1989	1 Replies 102 Views	Aug 27, 2018 by brbarasa
Sample A contains 92.3carbon and 7.7 hydrogen. If sample B is the same substance, it will contain ... Started by javeds	1 Replies 46 Views	Aug 27, 2018 by Jmfn03
If the value of the equilibrium constant for the reverse reaction is 2.5 10-6, the value of the ... Started by codyclark	3 Replies 44 Views	Aug 27, 2018 by Gabe
The equilibrium constant expression for the reaction is ________. N2 (g) + 3H2 (g) = 2NH3 (g) A) ... Started by melina_rosy	1 Replies 90 Views	Aug 27, 2018 by meganmoser117
When 28 g of nitrogen and 6 g of hydrogen react, 34 g of ammonia are produced. If 80 g of nitrogen ... Started by Diane	1 Replies 240 Views	Aug 27, 2018 by reelove4eva
Which of the following can be broken down into simpler substances? A) CO B) Se C) Mg D) ... Started by MirandaLo	1 Replies 104 Views	Aug 27, 2018 by Kedrick2014
Which of the following parts (postulates) of Dalton's atomic theory has been modified in light of ... Started by madam-professor	3 Replies 250 Views	Aug 27, 2018 by alexanderhamilton
A sample of oxygen gas that contains Avogadro's number of atoms has a mass of ________. A) 8.0 g ... Started by BrownTown3	1 Replies 98 Views	Aug 27, 2018 by parker125
A sample of oxygen gas that contains one-half of Avogadro's number of molecules has a mass of ... Started by meagbuch	1 Replies 66 Views	Aug 27, 2018 by bigcheese9
A sample of oxygen gas that contains twice Avogadro's number of molecules has a mass of ________. ... Started by WhattoUnderstand	1 Replies 104 Views	Aug 27, 2018 by ky860224
Which of the following was NOT explained by Dalton's atomic theory? A) the Law of Conservation of ... Started by clmills979	3 Replies 201 Views	Aug 27, 2018 by Silverbeard98
Decreasing the pressure will ________. 2SO3 (g) + 2Cl2 (g) = 2SO2Cl2 (g) + O2 (g) A) shift the ... Started by sdfghj	1 Replies 130 Views	Aug 27, 2018 by stillxalice
After many observations, Proust stated that elements combine in definite proportions to form ... Started by washai	1 Replies 76 Views	Aug 27, 2018 by Jadwiga9
Adding more oxygen will ________. 2SO2 (g) + O2 (g) = 2SO3 (g) A) shift the reaction to the ... Started by LaDunn	1 Replies 75 Views	Aug 27, 2018 by poopface
What is the mass of 0.0500 moles aluminum sulfate? A) 6.15 g B) 10.95 g C) 17.1 g D) 19.8 ... Started by sdfghj	3 Replies 142 Views	Aug 27, 2018 by Athena23
Although all parts (postulates) of Dalton's atomic theory are important, which one of the postulates ... Started by sc00by25	1 Replies 233 Views	Aug 27, 2018 by EAN94
The observations that gaseous reactants combine to form gaseous products in volume ratios that are ... Started by beccaep	1 Replies 145 Views	Aug 27, 2018 by dominiqueenicolee
Which one of the following does NOT occur in a chemical reaction? A) Matter is rearranged. B) ... Started by renzo156	1 Replies 67 Views	Aug 27, 2018 by Dominic