Chemistry, 23.07.2019 16:00 elsauceomotho
Pl i need all of these right for my test (i will vote u brainliest if you get them right) 1) what are the dark spots which appear from time to time on the sun's surface called? corona prominences solar flares sunspots 2) which of the following is the center of the universe according to the heliocentric model? earth moon mars sun 3) how can spectroscopy and infrared technology be useful in space? they can enhance speed by making spacecraft fuel more efficient. they can measure magnetic fields produced by astronomical bodies. they can provide an emergency escape to the astronaut from a space center. they can determine the elements that make up the surface of astronomical bodies.
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Chemistry, 22.06.2019 11:00
Freezing and boiling are endothermic processes. this means that these processes absorb energy from their surroundings in order to occur. use this information and the data you collected in the phase change gizmo to describe what happens to the temperature of water when you boil it, then explain why this result occurs.
Answers: 1
Chemistry, 22.06.2019 12:00
What is a possible quantum number set for an electron in the 3s orbital of a magnesium atom
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Chemistry, 22.06.2019 14:10
16. in a reaction that has reached equilibrium, a. the forward and reverse reactions are occurring at the same rate. b. the reactants and products are in equal concentrations. c. the forward reaction has gone further than the reverse reaction. d. there are equal numbers of atoms on both sides of the equation. e. a, b, and d are correct.
Answers: 2
Pl i need all of these right for my test (i will vote u brainliest if you get them right) 1) what...
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