Answer:
<u>C) 4</u>
Explanation:
<u>The reaction</u> :
- C (s) + 2H₂ (g) ⇒ CH₄ (g)
12g 4g 16g
Hence, based on this we can say that : <u>2 moles of hydrogen gas are needed to produce 16g of methane.</u>
<u />
<u>For 32g of methane</u>
- Number of moles of H₂ = 32/16 × 2
- Number of moles of H₂ = <u>4</u>
Answer: Bubbles, burning, odor, color change, and rusting.
Explanation: Chemical changes are changes to something that is irreversible.
Answer:
16 is the mass number. 8 is the atomic number.
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▹ Answer
<em>x¹⁰z¹⁵</em>
▹ Step-by-Step Explanation
x¹²z¹¹/x²z⁴
<u>Reduce</u>
x¹⁰z¹¹ * z⁴
<u>Calculate</u>
x¹⁰z¹⁵
Hope this helps!
- CloutAnswers ❁
Brainliest is greatly appreciated!
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Al2Se3 is your chemical formula
Hope this helps
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-Kayla <3
