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Elenna [48]
3 years ago
6

What are ways that humans are influencing/affecting/changing the rock cycle?

Chemistry
1 answer:
Yuliya22 [10]3 years ago
8 0

Answer:

they pollute and mine the rocks

Explanation:

which changes the way rocks are

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Convert 0.185mol sucrose (C12H22O11) into grams.
viktelen [127]
1) Find the molar mass of sucrose: 12*12 + 22*1 + 11*16 = 342 g/mol

2) Multiply the molar mass by the number of mols: 0.185 mol * 342 g/mol = 63.27 g
3 0
3 years ago
Raw potatoes are composed of about 18%–20% starch and approximately 75% water. Before frying, raw
yarga [219]

You start with 100 kg raw potatoes.

8% of mass is lost by peeling:

100 - ( 8 / 100) × 100 = 92 kg of peeled raw potatoes

By drying the water contents is reduces from 75% to 7%, that means a 68% loss by weight:

92 - ( 68 / 100) × 92 = 92 - 62.56 = 29.44 kg of dried potatoes

4 0
4 years ago
Please help
Crank

Explanation:

Hello, let's observe the given data first. The data says The conc of magnesium chloride solution is 0.117 mol/L that means in one litre solution 0.117 mole MgCl2 are present. but we have to find the moles of magnesium chloride, magnesium ions & chloride ions in 16.4 mL solution.

\sf \: 1 \:  litre \:  solution  \rightarrow 0.117 \:  mole \: MgCl_2

\sf \: 16.4 \:  millitre \:  solution  \rightarrow 0.117 \times  \frac{16.4}{ {10}^{3} }  \:  mole \: MgCl_2 \\     \boxed{\sf 1.91 \times  {10}^{ - 3}  \: mole \: MgCl_2}

Now 16.4 ml solution contains 1.91× 10-³ magnesium chloride.

Before finding the amount of ions in solution let's have a look at dissociation of magnesium chloride.

MgCl_2 \rightarrow Mg^{2+} + 2Cl^{-}

<em>One mole of Magnesium chloride produces 1 mole of magnesium & 2 mole of chloride ions.</em>

Hence 1.91× 10-³ moles of magnesium chloride will produce 1.91 × 10-³ moles of magnesium ion & 3.82 × 10-³ moles of chloride ions.

\sf Thanks  \: for \:  joining \:  brainly  \: community!

3 0
2 years ago
What are levers used for? (science)
Assoli18 [71]

According to the research, levers are used to modify or generate a force and transmit displacement.

<h3>What are levers?</h3>

It is a simple machine composed of a rigid bar of some moderately resistant material, which rotates freely on a support point.

It can be used to maximize the mechanical force applied to an object, increasing its speed or the distance it travels, by applying a proportionally smaller amount of force.

Therefore, we can conclude that according to the research, levers are used to modify or generate a force and transmit displacement.

Learn more about levers here: brainly.com/question/19732425

#SPJ1

8 0
2 years ago
Describe two common periodic trends.
spayn [35]

The two very common periodic trends are ionization energy and electronegativity.

<u>Explanation:</u>

The ionization energy refers to the energy being required to become an ion by either losing or by gaining the electron. It is the tendency to become an ion. This property has a trend of increasing when going left to right in the period of the periodic table.

Electronegativity denotes the ability of the atom to bond an electron with itself. And this shows the trend of decreasing down the row with increasing from left to the right across the period. Some other periodic trends are metallic character, atomic radius, electron affinity, and melting point.

5 0
4 years ago
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