Chemistry, 10.07.2019 15:30 blackwelle72
Greg classified some substances as shown in the table. greg's table soluble in water insoluble in water dishwashing detergent cloth drink mix plastic sand copper why is greg's table incorrect? plastic is soluble in water. copper is soluble in water. sand is insoluble in water. drink mix is insoluble in water.
Answers: 1
Chemistry, 22.06.2019 08:30
The characteristic of two different types of reactions are shown below. reaction a: electrons are gained by the atoms of an element. reaction b: protons are lost by the atom of and element. which statement is true about the atoms of the elements that participate in the two reactions? a: their identity changes in both reaction a and b. b: their identity changes in reaction a but not b. c: their identity changes in reaction b but not a. d: their identity remains the same.
Answers: 1
Chemistry, 22.06.2019 10:30
Great amounts of electromagnetic energy from our sun and other bodies in space travel through space. which is a logical conclusion about these electromagnetic waves? their energy must be very their frequency must be very low these waves can travel without a medium they only travel through a vacuum of space
Answers: 2
Chemistry, 22.06.2019 11:00
The twister and runaway train are two coasters at the same amusement park. both coasters start at the same height. the coaster for the twister is twice the mass of the coaster for the runaway train. which roller coaster has greater gravitational potential energy at the start of the ride?
Answers: 1
Chemistry, 22.06.2019 20:00
State one important difference between a physical change and a chemical change?
Answers: 1
Greg classified some substances as shown in the table. greg's table soluble in water insoluble in wa...
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