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NeTakaya
2 years ago
13

A rub-

Chemistry
1 answer:
lidiya [134]2 years ago
8 0
Because it’s possible for the book to fall but it’s not yet falling if u understand
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Kepler's Law of Planetary Motion __________ the movement of planets in the universe
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Kepler's Law of Planetary Motion consists the movement of planets in the universe

if not? what are the four or three answers for me to answer?
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3 years ago
Why are gamma rays not able to reflect off a mirrors surface
ElenaW [278]

Answer:

the Ray's go right through it

Explanation:

the Ray's are so small they punch right through them

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In sience is copper a element or not a element
sukhopar [10]

Answer:

a element

Explanation:

In science copper is a element. It is one of the transition metals found on the periodic table of elements.

Elements are distinct substances that cannot be split-up into simpler substances. Such substances consist of one kind of atom.

There are over a hundred elements that are known till date.

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2 years ago
The net ionic equation for formation of an aqueous solution of nii2 accompanied by evolution of co2 gas via mixing solid nico3 a
Ann [662]

Answer:

NiCO3 (s) + 2H+ (aq) → H2O (l) + CO2 (g) + Ni2+ (aq)

Explanation:

To write the complete ionic equation:

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2. Break all soluble strong electrolytes (compounds with (aq) beside them) into their ions

3. indicate the correct formula and charge of each ion

4. indicate the correct number of each ion

5. write (aq) after each ion

6. Bring down all compounds with (s), (l), or (g) unchanged.

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3 years ago
Give an example of a time when you would want to increase friction.
Snezhnost [94]

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I'm not do sure about decreasing.

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