Answers: 2
Chemistry, 22.06.2019 10:50
8) a mixture of he, ne and ar has a pressure of 7.85 atm. if the ne has a mole fraction of 0.47 and 8) ar has a mole fraction of 0.23, what is the pressure of he? a) 4.2 atm b) 3.7 atm c) 5.5 atm d) 2.4 atm e) 1.8 atm
Answers: 1
Chemistry, 22.06.2019 22:30
Which of these statements best explains why space exploration should be encouraged? it prepares humans to live without oxygen. it dispel myths about objects in space. it prevents comets and asteroids from striking earth. it creates technology to absorb harmful radiations in space.
Answers: 1
Chemistry, 23.06.2019 01:00
Imagine if during the cathode ray experiment, the size of the particles of the ray was the same as the size of the atom forming the cathode. which other model or scientific observation would have also been supported? 1. this would support dalton's postulates that proposed the atoms are indivisible because no small particles are involved. 2. this would support bohr's prediction about electrons moving in orbits having specific energy. 3. this would support bohr's prediction about electrons being randomly scattered around the nucleus in the atom. 4. this would support dalton's postulates that proposed that atoms combine in fixed whole number ratios to form compounds.
Answers: 1
Chemistry, 23.06.2019 04:31
Pls i will do pls imma diewhat forms white light? (4 points)a. combination of all wavelengths of ultraviolet light b. combination of all wavelengths of visible lightc. absorption of electromagnetic waves d. absorption of infrared rays
Answers: 2
According to the first law of thermodynamics...
Mathematics, 24.01.2021 22:00
Biology, 24.01.2021 22:00
Chemistry, 24.01.2021 22:00
English, 24.01.2021 22:00
SAT, 24.01.2021 22:00
Mathematics, 24.01.2021 22:00
Mathematics, 24.01.2021 22:00
Mathematics, 24.01.2021 22:00
Mathematics, 24.01.2021 22:00
Mathematics, 24.01.2021 22:00
English, 24.01.2021 22:00
Biology, 24.01.2021 22:00
Mathematics, 24.01.2021 22:00