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Usimov [2.4K]
3 years ago
15

A local meteorologist reports the days weather. Which information is qualitative? Check all that apply.

Chemistry
1 answer:
Leokris [45]3 years ago
3 0
A meterologist studies weather

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The temperature is -14°C the air pressure in an automobile tire is 149K PA if the volume does not change what is the pressure af
Jet001 [13]

Answer: The pressure after the tire is heated to 17.3°C is 167 kPa

Explanation:

To calculate the final temperature of the system, we use the equation given by Gay-Lussac Law. This law states that pressure of the gas is directly proportional to the temperature of the gas at constant pressure.

Mathematically,

\frac{P_1}{T_1}=\frac{P_2}{T_2}

where,

P_1\text{ and }T_1 are the initial pressure and temperature of the gas.

P_2\text{ and }T_2 are the final pressure and temperature of the gas.

We are given:

P_1=149kPa\\T_1=-14^0C=(273-14)=259K\\P_2=?=27.5psi\\T_2=17.3^0C=(273+17.3)=290.3K

Putting values in above equation, we get:

\frac{149}{259}=\frac{P_2}{290.3}\\\\P_2=167kPa

Hence, the pressure after the tire is heated to 17.3°C is 167 kPa

4 0
3 years ago
Which product of petroleum is normally used as fuel in cars and light vehicles​
Elena L [17]

Answer:

mostly gasoline in cars nowadays

8 0
3 years ago
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2h3po4 + 3mg(oh)2 → mg3(po4)2 + 6h2o phosphoric acid, h3po4, is neutralized by magnesium hydroxide, mg(oh)2, according to the eq
Rina8888 [55]
The balanced equation for the neutralisation reaction is as follows
2H₃PO₄ + 3Mg(OH)₂ --> Mg₃(PO₄)₂ + 6H₂O
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number of H₃PO₄ moles reacted - 0.24 mol
if 2 mol of H₃PO₄ form 6 mol of H₂O
then 0.24 mol of H₃PO₄ forms - 6/2 x 0.24 = 0.72 mol of H₂O
therefore 0.72 mol of H₂O are formed 
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3 years ago
The movement of the earths plates is also called:
Ksenya-84 [330]
The movement of the Earth's plates is called Plate Tectonics.  Hope this helps! :D
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3 years ago
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What is the molecular geometry of PBr3? A. trigonal pyramidal B. trigonal planar C. linear D....
lubasha [3.4K]
The correct answer is:

TRIGONAL PYRAMIDAL
4 0
3 years ago
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