Chemistry, 09.02.2021 01:00 brookedeanovich
How many joules of heat are needed to raise the temperature of 1.0-kg of aluminum from 22β to 55β, if the specific heat of aluminum is 900 J/kgβ?
Answers: 3
Chemistry, 21.06.2019 16:30
Why should the scientific method be used to answer a question? a. it provides a way to test an idea without any bias. b. it provides a way to test a hypothesis. c. it provides a way to ensure all hypotheses are proven correct. d. it provides a way to quickly turn a hypothesis into a scientific theory.
Answers: 1
Chemistry, 21.06.2019 22:30
Determine the wavelength of the light absorbed when an electron in a hydrogen atom makes a transition from an orbital in the n=3 level to an orbital in the n=7 level.
Answers: 2
Chemistry, 22.06.2019 02:30
The is a particle with one unit of positive charge a. proton b. positron c. electron d. nucleus awnser quick it is a important science test!
Answers: 2
Chemistry, 22.06.2019 06:00
24. a sports ball is inflated to an internal pressure of 1.85 atm at room temperature (25 Β°c). if the ball is then played with outside where the temperature is 7.5 Β°c, what will be the new pressure of the ball? assume the ball does not change in volume nor does any air leak from the ball a) 0.555 atm b) 1.74 atm c) 1.85 atm d) 1.97 atm
Answers: 2
How many joules of heat are needed to raise the temperature of 1.0-kg of aluminum from 22β to 55β, i...
History, 20.11.2020 23:00
Mathematics, 20.11.2020 23:00
Mathematics, 20.11.2020 23:00
Mathematics, 20.11.2020 23:00
Chemistry, 20.11.2020 23:00
Physics, 20.11.2020 23:00