Physics, 12.02.2021 07:30 chocolate4550
A marshmallow is toasted over a campfire. Is this a physical or a chemical change?
Use two pieces of evidence and reasoning to support your claim.
Claim:
Evidence #1:
Reasoning #1:
Evidence #2:
Reasoning #2:
Answers: 2
Physics, 22.06.2019 11:10
While standing outdoors one evening, you are exposed to the following four types of electromagnetic radiation: yellow light from a sodium street lamp, radio waves from an am radio station, radio waves from an fm radio station, and microwaves from an antenna of a communications system. rank these type of waves in terms of increasing photon energy.
Answers: 3
Physics, 22.06.2019 11:20
How to tell if a molecule is polar or nonpolar with electronegativity
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Physics, 22.06.2019 12:30
Apositive charge moves in the direction of an electric field. which of the following statements are true? check all that apply. check all that apply. 1.the potential energy associated with the charge decreases. 2. the electric field does positive work on the charge. 3. the electric field does negative work on the charge. 4. the potential energy associated with the charge increases. 5. the electric field does not do any work on the charge. 6. the amount of work done on the charge cannot be determined without additional information.
Answers: 1
A marshmallow is toasted over a campfire. Is this a physical or a chemical change?
Use two pieces o...
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