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IceJOKER [234]
4 years ago
9

What is it called rocks are broken in smaller pieces

Chemistry
1 answer:
Papessa [141]4 years ago
6 0

Answer:

weathering

Explanation:

if you are talking about how rocks get into smaller pieces

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Rank the solutions in order of decreasing [H3O ]. Rank solutions from largest to smallest hydronium ion concentration. To rank i
Usimov [2.4K]

Answer:

0.10M HCN  <  0.10 M HClO  <  0.10 M HNO₂  < 0.10 M HNO₃

Explanation:

We are comparing acids with the same concentration. So what we have to do first is to determine if we have any strong acid and for the rest ( weak acids ) compare them by their Ka´s ( look for them in reference tables ) since we know the larger the Ka, the more Hydronium concentration will be in these solutions at the same concentration.

HNO₃ is a strong acid and will have the largest hydronium concentration.

HCN  Ka = 6.2 x 10⁻¹⁰

HNO₂ Ka = 4.0 x 10⁻⁴

HClO  Ka = 3.0 x 10⁻⁸

The ranking from smallest to largest hydronium concentration will then be:

0.10M HCN  <  0.10 M HClO  <  0.10 M HNO₂  < 0.10 M HNO₃

5 0
4 years ago
True or False. The greater the
Lunna [17]

Answer:

true

Explanation:

True - Mass is a measure of an object's inertia. Objects with greater mass have a greater inertia; objects with less mass have less inertia.

3 0
3 years ago
a chemist is studying an unknown substance he can break it into its elemental only by using chemical means.Based on this observa
Vanyuwa [196]

Answer:

Compound

Explanation:

We want to know if it's a compound or a mixture.

An example of a mixture is salt water: you can heat it hot enough to boil off the water, leaving only the salt. This is a physical change, which is how you know it's a mixture.

Something like gold is a compound: if you heat it, or hit it, you'll still only have gold. You can only break it down by chemical means, which is how you know it's a compound.

4 0
3 years ago
13. In the wintertime, there is<br> food <br> sunlight (energy), so producers are making
kumpel [21]

Answer: shelter

Explanation:

Producers make food for the rest of the ecosystem through the process of photosynthesis, where the energy of the sun is used to convert carbon dioxide and water into glucose.

7 0
3 years ago
Mirex(MW = 540) is a fully chlorinated organic pesticide that was manufactured to control fire ants. Due to its structure, mirex
Delicious77 [7]

Answer:

The solution to the given problem is done below.

Explanation:

a)

i) =( 0.002 μg / L )( 1mg / 1000 μg )( 1L / kg )( 1000 mil / 1 billion) = 0.002 ppb

ii) =( 0.002 μg / L )( 1mg / 1000 μg )( 1L / kg )( 1,000,000 mil / 1 trillion) = 2 ppt

iii) =( 0.002 μg / L )( 1 mole / 540g ) = 3.7 x 10^{-6}μM.

b)

i) =( 0.002 μg / g ) = 0.002 ppm

ii) In solids, ppb = μg/kg

=( 0.002 μg / g )( 1000 mil/ 1 billion) = 2 ppb

7 0
3 years ago
Read 2 more answers
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