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4 years ago

How many additional electrons does this atom of oxygen need in its valence shell to satisfy the octet rule?

Chemistry

1 answer:

vfiekz [6]4 years ago

5 0

Answer:

Explanation:

cause it is what it is :> mark me brainlest

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What mass of methane (in g) must be burned in order to liberate 12567 kJ of heat?

Ierofanga [76]

Answer:

Mass of methane required in gram = 226.35 gram (Approx.)

Explanation:

Given:

Heat energy used = 12,567 kJ

Missing data;

Δcombustion = 891 kJ/mol

Find:

Mass of methane required in gram

Computation:

Number of mol methane burned = Heat energy used / Δcombustion

Number of mol methane burned = 12,571 / 891

Number of mol methane burned = 14.1088 mol

1 mol of methane in gram = 16.043 grams

So,

Mass of methane required in gram = Number of mol methane burned x 1 mol of methane in gram

Mass of methane required in gram = 14.1088 x 16.043

Mass of methane required in gram = 226.3474

Mass of methane required in gram = 226.35 gram (Approx.)

4 0

3 years ago

Write a net ionic equation to show that hydrobromic acid, hbr, behaves as an acid in water.

Harrizon [31]

The net ionic equation of hydrobromic acid would be HBr = H+ + Br-. As we can see, the HBr compound dissociates into ions where one ion is the hydronium ion which characterizes an acid. According to Arrhenius, an acid is a compound which releases hydronium ion in solution.

3 0

4 years ago

Minerals in geodes form spectacular euhedral crystals because ________. A. all of the elements incorporated in the crystals are

vovangra [49]

B. the crystals have abundant room to grow in their hollow surroundings

Explanation:

Minerals in geodes form spectacular euhedral crystals because the crystals have abundant room to grow in their hollow surroundings.

Euhedral crystals are crystals that have well formed and defined faces. The opposite term for euhedral is anhedral. Anhedral crystals lacks crystal faces.

When a crystal have abundant room to grow in their hollow surroundings, they grow and develop well without any alteration of their faces.

Crystal faces are destroyed when crystals don't have spaces to grow and they touch each other.

Learn more:

Platinum crystals brainly.com/question/5048216

#learnwithBrainly

6 0

3 years ago

The magnitude of an earthquake is its:

Umnica [9.8K]

Answer:

25 size or length.

<h2>26 P wave (primary wave)</h2><h2>27 P wave</h2><h2>28 Surface waves</h2><h2>29 Body waves</h2><h2>30 Epicentre </h2><h2>31 Epicentre </h2><h2>32 Oxidation</h2><h2>33 Mineral Fragments </h2><h2>34 C.</h2><h2>35 C.</h2><h2>36 Transpiration.</h2><h2>37 . infiltration </h2><h2>38. 0.3</h2><h2>39.C</h2><h2>40.D.</h2><h2>41.D.</h2><h2>42.B.</h2><h2>4 3 . weathering </h2>

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3 years ago

If you move a Substance from one container to another and it shapes changes but it’s volume does not change the substance is a

Veseljchak [2.6K]

The substance is a liquid. Think about water :)

4 0

4 years ago