Chemistry

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Hydrogen and sulfur react to form A) HS. B) H2S. C) HS2. D) ... Started by vicotolentino	1 Replies 346 Views	Aug 27, 2018 by triiciiaa
Which of the following is equal to 1 mL? A) 1 cm3 B) 1000 cm3 C) 1 dm3 D) 0.01 ... Started by Chelseaamend	1 Replies 64 Views	Aug 27, 2018 by ju
Which of the following reactions is a decomposition reaction? A) HCl + NaOH NaCl + H2O B) Mg + ... Started by dakota nelson	1 Replies 128 Views	Aug 27, 2018 by todom5090
Water is the common name for which molecule? A) H2O B) HO2 C) HO D) ... Started by michelleunicorn	3 Replies 294 Views	Aug 27, 2018 by sierrahalpin
The density of a certain type of steel is 8.1 g/cm3. What is the mass of a 100.0 cm3 chunk of this ... Started by cnetterville	1 Replies 261 Views	Aug 27, 2018 by jamesnevil303
Which of the following is an example of a combination reaction? A) HCl + NaOH NaCl + H2O B) Mg ... Started by pragya sharda	1 Replies 79 Views	Aug 27, 2018 by raili21
The common name of the compound with the formula NH3 is A) ammonia. B) vinegar. C) methane. D) ... Started by KWilfred	1 Replies 85 Views	Aug 27, 2018 by blakeserpa
Which of the following equations is not a combustion reaction? A) C2H6O + O2 H2O + CO2 B) CH4 + ... Started by sheilaspns	3 Replies 100 Views	Aug 27, 2018 by ktidd
If the reaction has a negative overall energy change, then ________. A) the reaction is ... Started by Alainaaa8	1 Replies 164 Views	Aug 27, 2018 by okolip
What is the formula of ammonium nitrate? A) NH4NO3 B) (NH4)2NO3 C) NH4(NO3)2 D) ... Started by jwb375	1 Replies 159 Views	Aug 27, 2018 by Ksanderson1296
The density of lead is 11.3 g/cm3. What mass of lead is required to make a 1.00 cm3 fishing sinker? ... Started by xroflmao	1 Replies 137 Views	Aug 27, 2018 by bigsis44
Which of the following adjustments can be made to a chemical reaction system to increase the rate of ... Started by ARLKQ	3 Replies 74 Views	Aug 27, 2018 by cam1229
A student working in the laboratory needs 200.0 g of a liquid chemical whose density is 0.690 g/cm3. ... Started by craiczarry	1 Replies 40 Views	Aug 27, 2018 by poopface
Which of the following equations is not a double replacement reaction? A) H2SO4 + Mg(OH)2 H2O + ... Started by charchew	1 Replies 58 Views	Aug 27, 2018 by epscape
Which of the following does not influence the speed of a chemical reaction? A) concentration of ... Started by magmichele12	1 Replies 103 Views	Aug 27, 2018 by tofugiraffe
The density of mercury is 13.6 g/cm3. What approximate mass of mercury is required to fill a 4.0 ... Started by neverstopbelieb	3 Replies 120 Views	Aug 27, 2018 by olivia_paige29
Which of the following equations is not a decomposition reaction? A) CaSO4 2H2O CaSO4 + 2 H2O ... Started by nautica902	1 Replies 107 Views	Aug 27, 2018 by Gabe
In the formula for copper(II) phosphate, the number of phosphorus atoms is A) one. B) two. C) ... Started by sabina	1 Replies 113 Views	Aug 27, 2018 by macagnavarro
The boiling point of water on the Celsius temperature scale is A) 100C. B) 212C. C) 273C. D) ... Started by D2AR0N	1 Replies 115 Views	Aug 27, 2018 by millet
Which of the following equations is a combustion reaction? A) MgO + HCl MgCl2 + H2O B) Al + ... Started by jwb375	3 Replies 101 Views	Aug 27, 2018 by heyhey123
The freezing point of water on the Kelvin temperature scale is A) 0 K. B) 100 K. C) 273 K. D) ... Started by MGLQZ	1 Replies 96 Views	Aug 27, 2018 by Beatricemm
The following equation is an example of a ________ reaction. C8H18 + O2 CO2 + H2O A) synthesis ... Started by charchew	1 Replies 46 Views	Aug 27, 2018 by ebonylittles
How many iron atoms are in the formula for iron(III) oxide? A) 1 B) 2 C) 3 D) ... Started by captainjonesify	1 Replies 106 Views	Aug 27, 2018 by mammy1697
The spectator ions in the following precipitation equation are ________. AgNO3 + NaCl AgCl + ... Started by jman1234	3 Replies 122 Views	Aug 27, 2018 by joneynes
Which of the following is not true when the temperature of the reaction mixture is decreased? A) ... Started by naturalchemist	1 Replies 80 Views	Aug 27, 2018 by bigsis44