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lesya [120]
3 years ago
14

Metamorphic rocks with a non-foliated texture show metamorphic change that involves ____.

Chemistry
1 answer:
matrenka [14]3 years ago
8 0

Answer:

b.  growth in the size of the mineral grains

Explanation:

Non-foliated texture shown by a metamorphic change is depicted by growth in the size of the mineral grains.

  • Examples of non-foliated metamorphic rocks are quartzite and marble.
  • In these metamorphic rocks, mineral grains are not aligned with their long axis.
  • Non-foliated texture occurs under high temperature and low pressure conditions.
  • As minerals are able to grow, the size can be used to show a metamorphic change.
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The compound gallium phosphide (Ga P) is a compound semiconductor having mixed ionic and covalent bonding. The electronegativiti
alexandr1967 [171]

Answer:  The fraction of the bonding that is ionic is 0.08875.

Explanation:

Percentage ionic character is calculated using the formula:

% ionic character =[16\times \Delta E_N + 3.5\times (\Delta E_N)^2]

Where, \Delta E_N = electronegativity difference

Given : The electronegativities for Ga and P are 1.6 and 2.1 respectively.

Thus \Delta E_N = electronegativity of phosphorous - electronegativity of galium = 2.1 -1.6 = 0.5

Therefore,

%ionic character  = [16\times 0.5 + 3.5\times (0.5)^2]=8.875

Fraction of ionic bond =\frac{8.875}{100}= 0.08875

The fraction of the bonding that is ionic is 0.08875.

5 0
3 years ago
One application of Hess's Law (which works for ΔH, ΔS, and ΔG) is calculating the overall energy of a reaction using standard en
VikaD [51]

Answer:

The standard change in free energy for the reaction =  - 437.5 kj/mole

Explanation:

The standard change in free energy for the reaction:

                              4 KClO₃ (s) → 3 KClO₄(s) + KCl(s)

Given that   ΔGf(KClO3(s)) = -290.9 kJ/mol;

                    ΔGf(KClO4(s)) = -300.4 kJ/mol;

                    ΔGf(KCl(s)) = -409 kJ/mol

According to Hess's law

ΔGr (Free energy change of reaction)= ∑(Product free energy - reactant free energy)

               ⇒ ΔGr⁰ = {3 x (-300.4) + (-409)} - {3 x (- 290.9)}

                            = - 901.2 - 409 + 872.7

                            =  - 437.5 kj/mole

3 0
4 years ago
In lab, you actually produced, 56.7 grams of potassium chloride but the equation shows you should have made 58.9 grams. What is
Deffense [45]
Is is 96.3% you do ((actual yield)/(theoretical yield)) * 100
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What does a tailor bird do to stich it's nest​
ra1l [238]

Answer:

The tailor bird has a beak like a sewing needle. As thread, it uses silk from cobwebs, cotton from seeds, and fibers of tree bark. This bird selects two or more large green leaves growing close together at the end of a branch and pulls them together.

Explanation:

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3 years ago
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"It is important to balance chemical equations because there must be an equal number of atoms on both sides of the equation to follow the Law of the Conservation of Mass"
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