Answer:
I believe the answer is 1m/s²
Explanation:
acceleration= change in speed ÷ time (I hope this is correct)
Answer:
An atom is a particle of matter that uniquely defines achemical element. An atom consists of a central nucleus that is usually surrounded by one or more electrons. ... The nucleus is positively charged, and contains one or more relatively heavy particles known as protons and neutrons. A proton is positively charged.
Answer:
Option D. Iron and sulfur react to form iron sulfide
Explanation:
Reaction of iron with sulphur is a chemical property and not a physical property.
Josh was sure that the reaction occurred because of the formation of carbon dioxide (CO₂) which is a gas.
Explanation:
Vinegar contains acetic acid (CH₃-COOH) and baking soda is sodium hydrogen carbonate (NaHCO₃). The reaction between these two compounds will produce sodium acetate (CH₃-COONa), carbon dioxide (CO₂) and water (H₂O).
CH₃-COOH + NaHCO₃ → CH₃-COONa + CO₂ + H₂O
Josh was sure that the reaction occurred because of the formation of carbon dioxide (CO₂) which is a gas.
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carbon dioxide
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