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ANEK [815]
2 years ago
11

Why is copper a pure substance? a. because it is an element b. because it is a compund c. because it is a homogenous mixture

Chemistry
1 answer:
Step2247 [10]2 years ago
6 0

Answer:

a. because it is an element

Explanation:

its pure because it only has one type of atom, making it an element

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Answer:

to be honest ask your teacher

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If 500ml of H₂ gas at 600mmHg and 400ml of CO₂ gas at 700mmHg are mixed in a 1 lit vessel, find the total pressure of mixture of
seraphim [82]

Answer:

Total pressure increased

Explanation:

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Không tính toán cụ thể mà lý luận để :
kotykmax [81]

Answer:

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Explanation:

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3 years ago
What is the nuclear binding energy in joules for an atom of lithium?
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