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Andru [333]
3 years ago
11

Which two large landmasses formed when Pangaea first started to separate?

Chemistry
2 answers:
PilotLPTM [1.2K]3 years ago
7 0

Answer:

Laurasia and Gondwanaland

Explanation:

Inga [223]3 years ago
7 0

Answer:

D

Explanation:

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Predict the reactants of this chemical reaction. That is, fill in the left side of the chemical equation. Be sure the equation y
sammy [17]

Answer:

Ba(OH)₂ + 2 HBr ⇒ BaBr₂ + 2 H₂O

Explanation:

We have the products of a reaction and we have to predict the reactants. Since the products are binary salt and water, this must be a neutralization reaction. In neutralizations, acids react with bases. The acid that gives place to Br⁻ is HBr, while the base the gives place to Ba²⁺ is Ba(OH)₂. The balanced chemical equation is:

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How many grams of oxygen gas will react completely with a block of calcium metal that is 3.0 cm by 3.5 cm by 4.2 cm, if the dens
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3 0
3 years ago
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Balance this equation<br> Pb(NO3)2+Na2(CrO4)=Pb(CtO4)+Na(NO3)
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