Answer:
1st answer: A. nitrogen
2nd answer: A. Sodium carbonate
Explanation:
Chlorine, Anthax is a biological agent, and uranium is a radioactive agent, and dynamite is just a no. Chlorine is a chemical gas.
Answer:
d) 2.7 mol
Explanation:
limit reagent is H2:
∴ Mw H2 = 2.016 g/mol
∴ Mw N2 = 28.0134 g/mol
⇒ moles NH3 = (4.0 moles H2)×(2 mol NH3/3mol H2)
⇒ moles NH3 = 2.666 mol
⇒ moles NH3 ≅ 2.7 mol
Answer:
Energy levels tell us how many <u>electrons </u>there are in an atom.
Hope this helps!
1<span>Pepsi is a heterogeneous mixture Oatmeal with raisins is a homogeneous mixture.
2</span>
<span>Milk is a pure substance, not a mixture
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