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Dmitrij [34]
4 years ago
5

WILL MARK BRAINLIEST!!

Chemistry
1 answer:
Aneli [31]4 years ago
3 0
A. Molecules made from the covalent bond if 2 atoms of the same type. For example Hydrogen gas always comes in H2.
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UkoKoshka [18]
<span>C. There was a ground wire attached to the outlet.

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5 0
3 years ago
What can I draw or write about that’s related to science?
Talja [164]
U can write or draw the 4 main different joints of the human body

3 0
3 years ago
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for the reaction shown compute the theoretical yield of product in moles each of the initial quantities of reactants. 2 Mn(s)+3
Y_Kistochka [10]

Answer:

2 mole MnO₂

Explanation:

2Mn(s) + 2O₂(g) => 2MnO₂(s)

4 0
4 years ago
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How many liters of water vapor, at stp, are produced by the combustion of 12.0 g of methane?
erastovalidia [21]
Answer is: 33,6 liters of water vapor.
Chemical reaction: CH₄ + 2O₂ → CO₂ + 2H₂O.
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n(CH₄) = 12 g ÷ 16 g/mol = 0,75 mol
from reaction: n(CH₄) : n(H₂O) = 1 : 2
n(H₂O) = 1,5 mol.
V(H₂O) = n(H₂O) · Vm
V(H₂O) = 1,5 mol · 22,4 mol/dm³
V(H₂O) = 33,6 dm³.
8 0
3 years ago
Read 2 more answers
What made Mendeleev certain that he should leave gaps in his table?
ser-zykov [4K]

Answer:

Mendeleev left gaps in his periodic table because he knew that these elements existed, but had not yet been discovered. He believed that the elements would be eventually found and would fit perfectly into the gaps. Two such elements are Germanium and Gallium.

Explanation:

8 0
3 years ago
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