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kvv77 [185]
3 years ago
6

What is peristalsis? PLEASE HELPP

Chemistry
2 answers:
ladessa [460]3 years ago
5 0

Answer:

Muscular contractions that moves food along the digestive tract.

anzhelika [568]3 years ago
5 0

Answer:

i  suprised no one does science

Explanation:

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Which of the following statements about oudlear energy stre?
Alborosie

Answer:

B

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i got it  right on plato

6 0
3 years ago
A weather balloon is filled with helium that occupies a volume of 5.00 × 10^4 L at 0.995 atm and 32.0°C. After it is released, i
DaniilM [7]

Answer:

The new volume is 5.913*10^4 L

Explanation:

Step 1: Write out the formula to be used:

Using general gas equation;

P1V1 / T1 =P2V2 /T2

V2 = P1V1T2 / P2T1

Step 2: write out the values given and convert to standard unit's where necessary

P1 = 0.995atm

P2 0.720atm

V1 = 5*10^4 L

T1 = 32°C = 32+ 273 = 305K

T2 = -12°C = -12 + 273 = 261K

Step 3: Equate your values and do the calculation:

V2 = 0.995 * 5*10^4 * 261 / 0.720 * 305

V2 = 1298.475 * 10^4 / 219.6

V2 = 5.913 * 10^4 L

So the new volume of the balloon is 5.913*10^4 L

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3 years ago
Cuantos gramos necesito para preparar una solución de 500 ml al 35% de NaCl
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A patient who is prescribed a dose inhaler will find that it must be filled with a) medicine in powder form only. Works with lower (not upper) respiratory diseases only. Full of medicine used to give a fixed amount of medicine per oral inhalation. d) Medication in the form of a spray only.
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3 years ago
The critical point of carbon dioxide is 304 k and 73 atm. under which conditions is carbon dioxide a liquid? i. 303 k and 73 atm
Sergeeva-Olga [200]
Answer is: a) I only.
Above critical temperature of CO₂, a gas cannot be liquefied no matter how much pressure is applied. Temperature and pressure above its critical point is called supercritical fluid and this is <span>intermediate between gaseous and liquid states.</span>
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2 years ago
What are the characteristics of an atom or molecule when in the gas phase
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Answer:vapor

Explanation: Because it is

6 0
3 years ago
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