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UkoKoshka [18]
2 years ago
14

True or false: an amplifier can adjust the amplitude

Chemistry
1 answer:
DENIUS [597]2 years ago
6 0

Answer:

<h3>ᴛʀᴜᴇ..</h3>

...............

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Is mass conserved when 200 g of water undergoes a physical change? Use complete sentences to support your answer by explaining h
andrew-mc [135]

Answer:

-200

Explanation:

7 0
3 years ago
Hurry I need the answer asap
olga nikolaevna [1]

Answer:

Heat or electricity in the atmasphere

Explanation:

4 0
2 years ago
which of these sentences is true about nitrogen? a- as nitrogen is the rarest gas in the atmosphere, very few organism can use i
Nataly [62]
B is true because plants can only use nitrogen in the form of nitrates, no other living thing needs nitrogen therefore the percentage of nitrogen in the atmosphere is 79%
4 0
3 years ago
A gas has a volume of 1000.0 mL at a temperature of 20.OK and a pressure
yanalaym [24]

Answer:

4000mL

Explanation:

Using the combined gas law equation as follows:

P1V1/T1 = P2V2/T2

Where;

P1 = initial pressure (atm)

P2 = final pressure (atm)

V1 = initial volume (mL)

V2 = final volume (mL)

T1 = initial temperature (K)

T2 = final temperature (K)

According to the information given in this question:

V1 = 1000mL

T1 = 20K

P1 = 1.0atm

V2 = ?

P2 = 0.5atm

T2 = 40K

Using P1V1/T1 = P2V2/T2

1 × 1000/20 = 0.5 × V2/40

1000/20 = 0.5V2/40

50 = 0.5V2/40

50 × 40 = 0.5V2

2000 = 0.5V2

V2 = 2000/0.5

V2 = 4000mL

4 0
3 years ago
Pls some one help<br> 1 mark question
Tatiana [17]

Answer:

See below

Explanation:

Helium belongs to group VIII of the periodic table "Noble gases". It has only 1 electronic shell and that too contains 2 electrons according to the accommodation of the shell. Hence, it's electronic shell is complete. This is the reason, Helium is chemically unreactive.

\rule[225]{225}{2}

Hope this helped!

<h3>~AH1807 </h3>
7 0
2 years ago
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