Hallie takes notes in class as shown below.
Developed through making observations
...
Chemistry, 12.02.2020 19:53 sindy35111
Hallie takes notes in class as shown below.
Developed through making observations
About the natural world
Observation β question β hypothesis β experiment
Which would be the best title for her notes?
Scientific Knowledge
Experimentation
Characteristics of Science
Limitations of Science
Answers: 1
Chemistry, 22.06.2019 21:30
While in europe, if you drive 125 km per day, how much money would you spend on gas in one week if gas costs 1.10 euros per liter and your carβs gas mileage is 32.0 mi/gal? assume that 1 euro=1.26 dollars
Answers: 2
Chemistry, 23.06.2019 00:00
Before it was launched, a helium-filled balloon had a pressure of 201 kpa at a temperature of 27Β°c. at an altitude of 15,000 m, the pressure had decreased to 2.5 kpa and the temperature had dropped to -14 Β°c. the volume of the balloon increased to 59.3 m3. what is the original volume of the balloon? 13 m3 0.85 m3 0.077 m3 1.17 m3
Answers: 3
Chemistry, 23.06.2019 07:10
Which one of the following is an oxidation-reduction reaction? naoh + hno3 --> h2o + kno3 naoh + hno3 --> h2o + kno3 so3 + h2o --> h2so4 cacl2 + na2co3 --> caco3 + 2 nacl ch4 + 2 o2 --> co2 + 2 h2o al2(so4)3 + 6 koh --> 2 al(oh)3 + 3 k2so4
Answers: 3
Chemistry, 23.06.2019 23:40
If 3.50 g of the unknown compound contained 0.117 mol of c and 0.233 mol of h, how many moles of oxygen, o, were in the sample? express your answer to three significant figures and include the appropriate units.
Answers: 1
History, 07.09.2019 04:10
Computers and Technology, 07.09.2019 04:10