Chemistry, 23.04.2021 20:40 mariobros3090
Classify the following as either an element, a compound, a heterogeneous mixture, or a homogeneous mixture and explain your answer.
Skittles
Kool Aid
Pepsi
Gold (Au)
Carbon Dioxide (CO2)
Hydrogen (H2)
Raisin Bran Cereal
Lucky Charms Cereal
Salt Water
Salt (NaCl)
Oxygen (O2)
Methane (CH4)
Answers: 2
Chemistry, 22.06.2019 04:50, shonnybenskin8
Compare the equilibrium constants for the systems shown in the table. which favors products the most? which favors products the least? rank these systems in order from most to least in terms of favoring products rather than reactants. d > b > a > c c > a > b > d b > c > d > a a > d > c > b
Answers: 1
Chemistry, 22.06.2019 12:00, BreBreDoeCCx
Ageochemist examines a piece of metal that he found in the soil. he performs tests to identify the metal from its density, electrical conductivity, and melting point. which statement best describes his investigation? a. he is determining physical properties that are sufficient to identify the metal. b. he is determining chemical properties that are sufficient to identify the metal. c. he is determining physical properties that are insufficient to identify the metal. d. he is determining chemical properties that are insufficient to identify the metal.
Answers: 3
Chemistry, 22.06.2019 13:30, citlalli30
1) which of the following is the best example of a physical change? a) sugar dissolving in tea b) firefly glowing 2) in the combustion of ethane, what is/are the reactants? c2h6 + o2 ==> co2 + h2o a) c2h6 and o2 b) co2 and c2h6
Answers: 2
Chemistry, 22.06.2019 16:40, westball101
Let the ed50 of a recreational drug be defined as the amount required for 50% of a test group to feel high or get a buzz. if the ed50 value of ethanol is 470 mg/kg body mass, what dose would a 70 kg party goer need to quickly consume in order to have a 50% chance of getting a buzz? 235 mg 470 mg 32,900 mg 35,000,000 mg
Answers: 3
Classify the following as either an element, a compound, a heterogeneous mixture, or a homogeneous m...
History, 28.07.2019 13:00
History, 28.07.2019 13:00
Mathematics, 28.07.2019 13:00
History, 28.07.2019 13:00
Mathematics, 28.07.2019 13:00
Mathematics, 28.07.2019 13:00
Physics, 28.07.2019 13:00