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3 years ago

Conservation of energy

Chemistry

2 answers:

salantis [7]3 years ago

5 0

Adjust your day-to-day behaviors. ...

Replace your light bulbs. ...

Use smart power strips. ...

Install a programmable or smart thermostat. ...

Purchase energy efficient appliances. ...

Reduce your water heating expenses. ...

Install energy efficient windows. ...

Upgrade your HVAC system.

can do this at home

lesya [120]3 years ago

4 0

good information to know ?

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Hen solid kbr is dissoved in water, the solution gets colder. this is an example of a(n) ________ reaction.

Sonja [21]

Endothermic reactions. These are reactionsthat take in energy from the surroundings. The energy is usually transferred as heat energy, causing the reaction mixture and its surroundings to get colder

7 0

3 years ago

Balance the following Equation Show your work.

7nadin3 [17]

Answer:

1) alr balanced

2) 2 2 1

3) 2 1 1 2

4) 2 3 2

5) 2 1 2 1

6) 1 6 2 3

7) 2 2 1

8) 1 2 1 2

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3 years ago

What is the term used by particular kind of matter Called??

weqwewe [10]

Answer:

$\boxed{\mathrm{substance}}$

Explanation:

The term used by particular kind of matter is called substance.

A substance is a particular kind of matter because it has physical properties.

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4 years ago

An atom of sodium-23 (Na-23) has a net charge of

maksim [4K]

Answer:

Protons= 11

neutrons= 12

electrons = 10

Explanantion:

Look for Na on periodic table

Atomic Number = 11

Atomic Mass = 23 (round it to be an integer)

Number of protons = Atomic number = 11

Number of neutrons = Atomic mass - atomic number = 23-11 =12

Number of electrons = 11 - e = ´+1 , electrons = 10

6 0

3 years ago

HELP NEEDED, ASAP

Musya8 [376]

Answer:

d. 1.20 ×10^3 mL

Explanation:

That is the answer have a wonderful day!!

8 0

3 years ago

Read 2 more answers