Date a rock using half life

1 answer:

5 0

I don’t know your exact question but it’s half life is the number of years of an element to get half of itself not be usable or available anymore.

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How do particles in matter change when a substance becomes hotter, cool down, or changes state?

Nana76 [90]

Answer:

When heat is added to a substance, the molecules and atoms vibrate faster. As atoms vibrate faster, the space between atoms increases. The motion and spacing of the particles determines the state of matter of the substance. The end result of increased molecular motion is that the object expands and takes up more space.

hope this helps!!!!!!

3 0

2 years ago

2 bromocyclopentanamine structural formula

Elis [28]

Answer:

The structure is given in attached file.

Explanation:

Explanation

2-bromocyclopentamine (Figure attached) is a synthetic compound which is synthesized by substitution reaction of cyclopentamine and hydrobromide. Its molecular formula and molecular mass are C5H10NBr and 164.05 mol/g respectively. It is a very reactive compound so it doesn’t available in pure form, it is present in market as a mixture of 2-bromocyclopentamine and Hydrobromide.

Properties :

Its boiling point is 115 0C

Its melting point is – 75 oC

It is highly flammable

It is highly toxic

It is irritant

It is corrosive in nature

5 0

3 years ago

Explain how you would test the presence of oxygen and hydrogen gases.

Vedmedyk [2.9K]

Place a burning splint near the opening of a test tube. If a popping noise occurs, it's probably hydrogen. Place a glowing splint in the test tube, and if it reignites, it could be oxygen. Place a burning splint into a test tube, and if it goes out, it could be carbon dioxide.

5 0

2 years ago

I cant remember my mass, grams, and volume. and how to divide density

Bas_tet [7]

Mass divide by volume

M
__
V

7 0

2 years ago

Solutions and colloids which contain similarly sized particles can be effectively separated using paper filtration.

mojhsa [17]

False cause there particles arent large enough to be filtered

6 0

2 years ago

Read 2 more answers