3 years ago

When you combine chocolate powder and milk, the result is best describe as

Chemistry

2 answers:

EastWind [94]3 years ago

8 0

Chocolate milk? Hope this helps

Aleksandr [31]3 years ago

5 0

Answer:

a displacement reaction

Explanation:

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Consider 2H2 + O2 → 2H2O. To produce 1.2 g water, how many grams of H2 are required? Report to the correct number of significant

Elden [556K]

Answer:

0.133 mol (corrected to 3 sig.fig)

Explanation:

Take the atomic mass of H=1.0, and O=16.0,

no. of moles = mass / molar mass

so no. of moles of H2O produced = 1.2 / (1.0x2+16.0)

= 0.0666666 mol

From the equation, the mole ratio of H2:H2O = 2:2 = 1:1,

meaning every 1 mole of H2 reacted gives out 1 mole of water.

So, the no, of moles of H2 required should equal to the no, of moles of H2O produced, which is also 0.0666666 moles.

mass = no. of moles x molar mass

hence,

mass of H2 required = 0.066666666 x (1.0x2)

= 0.133 mol (corrected to 3 sig.fig)

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3 years ago

Help? for me? yes? please?

Sladkaya [172]

Answer:

2 Mg + O2 -> 2 MgO

is a synthesis reaction.

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3 years ago

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Answer:

See explaination

Explanation:

The electrons geometry shows the special distribution of the electrons around of the central atom of the molecule.

The molecular geometry shows the special distribution of the atoms that form the molecule.

Please kindly check attachment for further solution.

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3 years ago

Check all examples that would a chemical property.

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I believe the answer is two

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