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PIT_PIT [208]
2 years ago
10

I need help with science: Which picture best shows a loud, low-pitched sound?​

Chemistry
1 answer:
saw5 [17]2 years ago
3 0

Answer:

i think c had shows a loud pitched sound

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Please help me! Will mark brainliest! Thank you!
Kamila [148]

Answer:

gas

Explanation:

8 0
3 years ago
Copper metal has a specific heat of 0.385 J/goC. Calculate the amount of heat required to raise the temperature of 22.8 g of Cu
Liula [17]

Answer is equal to 7.51 kJ

Q=mc(delta)T

4 0
2 years ago
Earth is about 150 million km from the Sun. The radiation coming from the Sun travels at 300,000 km/s. How long does it take for
meriva
It takes exactly 500 seconds for the sun's radiation to reach the earth or about 8 minutes (8.333333333333... to be exact). Just divide 150 million km by 300,000 km/s. Hope this helps
5 0
3 years ago
What does the term hospitality mean to you? Give a definition for hospitality.​
antiseptic1488 [7]

Answer:

relating to or denoting the business of entertaining clients, conference delegates, or other official visitors.

3 0
3 years ago
Read 2 more answers
What is the pressure in a 245 L tank that contains 5.21 kg of helium at 27 Celsius ​
Kitty [74]
<h2><u>Answer:</u></h2>

(These are not rounded to the correct decimal)

130.94 atm

13,266.6 kPa

99,571.4 mmHg

<h2><u>Explanation:</u></h2>

<u></u>

PV = nRT

V = 245L

P = ?

R = 0.08206 (atm) , 8.314 (kPa) , 62.4 (mmHg)

T = 273.15 + 27 = 300.15K

n = 1302.5 moles

How I found (n).

5.21kg x 1000g/1kg x 1 mole/4.0g = 1302.5 moles

Now, plug all the numbers into the equation.

Pressure in atm = (1302.5)(0.08206)(300.15) / 245 = 130.94 atm (not rounded to the correct decimal)

Pressure in kPa = (1302.5)(8.314)(300.15) / 245 = 13,266.6 kPa (not rounded to the correct decimal)

Pressure in mmHg = (1302.5)(62.4)(300.15) / 245 = 99,571.4 mmHg (not rounded to the correct decimal)

5 0
3 years ago
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