Chemistry, 06.07.2019 13:30 PastyMexican24
Select the correct answer. lyndon is investigating whether putting plastic on her windows will seal out cold winter drafts. she covers a window on the south side of her house with plastic and measures the inside temperature near the window. she also measures the inside temperature near a window without plastic on the north side of her house. the windows are the same size and design. why is this not an ideal controlled investigation? a. the windows should be different sizes to introduce variation. b. the drafts at each window may be different because the windows arenât near each other. c. temperature isnât a good indicator of cold winter drafts. d. outside temperature is a better indicator of cold winter drafts than inside temperature. e. the type of plastic used in the investigation isnât mentioned.
Answers: 2
Chemistry, 21.06.2019 14:30
Alculate the concentration of h3oâșin a solution that contains 5.5 Ă 10-5m ohâ»at 25°c. identify the solution as acidic, basic, or neutral.a) 1.8 Ă 10-10m, basicb) 1.8 Ă 10-10m, acidicc) 5.5 Ă 10-10m, neutrald) 9.2 Ă 10-1m, acidice) 9.2 Ă 10-1m, basic
Answers: 1
Chemistry, 22.06.2019 12:00
Which statement best explains the relationship between an area is geography and the temperature of its surface water
Answers: 1
Chemistry, 22.06.2019 18:30
When a device is used in a circuit in which the voltage is 81 v the current flowing through the device is 3 a what is the resistance of the device
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Select the correct answer. lyndon is investigating whether putting plastic on her windows will sea...
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