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3 years ago

H+(aq) + OH–(aq) → H2O(l) + 55.8 kJ In this reaction there is conservation of

1 answer:

4 0

In the equation given above, there is conservation of MASS, CHARGE AND ENERGY.
These three parameters are usually conserved during the course of chemical reactions. When any of these parameter experience a reduction during the course of chemical reaction, such loss is always gained by other elements involved in the same reaction, so that at the end of the day, they are not considered as lost.

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Billy beaker traveled 115 kilometers in one morning: how far is this in feet

Pachacha [2.7K]

Is the answer youre looking for 377297 feet

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3 years ago

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A liquid that occupies a volume of 8.2 L has a mass of 5.6 kg ehat is the density of the liquid in kg/l

BaLLatris [955]

Hey there!

Mass = 5.6 Kg

Volume =8.2 L

D = m / V

D = 5.6 / 8.2

D = 0.6829 Kg/L

hope this helps!

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3 years ago

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Does vb theory indicate that the diatomic molecule he2 is a viable species? rationalize your answer

iragen [17]

VB theory does not indicate that the diatomic molecule He₂ is a viable species.

Helium has atomic number 2, it has 2 protons and 2 electrons.

Electron configuration of helium atom: ₂He 1s².

Helim (He) is a noble gas.

Noble gases (group 18) are in group 18: helium (He), neon (Ne), argon (Ar), krypton (Kr), xenon (Xe) and radon (Rn). They have very low chemical reactivity.

Noble gases have very stable electron configuration and does not need to gain electrons, only when they gain energy.

Valence bond (VB) theory explains chemical bonding.

Helium atom is stable and does not form molecule.

More about valence bond (VB) theory: brainly.com/question/23129240

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5 0

9 months ago

How many grams of mgcl2 is produced if 4. 67 moles of hcl react

frosja888 [35]

The mass of MgCl₂ produced is 5.685 grams.

Mass is the quantity of matter of a physical body.

The reaction is

Mg + 2HCl → MgCl₂ + H₂

2 mole of HCl

(2 × 36.458) = 72.8 g

1 moles of MgCl₂

(1 × 95.21 g) = 95.21 g

1 g Mg will produce = $\dfrac{95. 21}{78.2}$

4.67 mol Mg will produce

$\dfrac{95. 21}{78.2} \times 4.67 = 5.685$

Thus, the mass of MgCl₂ produced is 5.685 grams.

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1 year ago

Which model shows a molecule of a substance that is made up of three elements

vovangra [49]

Answer:

c or d

Explanation:

i tried a and it was wrong. its not B. and i cant see the rest. its the one that looks like a catipillar tho

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2 years ago