Which of the following describes a chemical change?
melting ice
rusting iron...
Chemistry, 19.03.2020 23:16 xbeatdroperzx
Which of the following describes a chemical change?
melting ice
rusting iron
bending a wire
dissolving salt in water
Answers: 3
Chemistry, 22.06.2019 18:30
Which of the following words describe the reality that the universe looks the same from various perspective
Answers: 3
Chemistry, 23.06.2019 04:10
An unknown substance has been shown to have metallic bonds. which of the following is most likely a property of this substance? a. low conductivity b. low boiling point c. high malleability d. high solubility in water
Answers: 2
Chemistry, 23.06.2019 10:30
Can anyone explain 1. review your spectrometry data and use the known elements to identify the star's composition. which unknown elements make up this star? justify your element selections. 2. in parts i and ii of the lab, what happened to the electrons of each element to produce the different colors of light? explain your answers using important terms from the lesson and information provided in the laboratory. 3. stars composed of heavier (more massive) elements are often slightly older than stars made predominantly from hydrogen and helium. based on your data, is the newly discovered star a younger star? explain your answer.
Answers: 2
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