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Lera25 [3.4K]
3 years ago
12

What temperature does cardboard catch fire?

Physics
1 answer:
MissTica3 years ago
5 0
<span>Corrugated cardboard ignites at 800°F (427°C).

</span>Hope this helps!
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Express 68 rations in dekarations
rewona [7]
You have to take note of the prefix because it gives you a hint of its value with respect to the base value. The base value is ratio. When the prefix is deka, that means that 1 ration is equal to 0.1 dekaration according to the metric system. The conversion is as follows:

68 rations * 0.1 dekarations/1 ration = 6.8 dekarations
6 0
3 years ago
An ideal gas in a sealed container has an initial volume of 2.50 L. At constant pressure, it is cooled to 21.00 ∘C, where its fi
goblinko [34]

<u>Answer:</u> The initial temperature of the system comes out to be 147 °C

<u>Explanation:</u>

To calculate the initial temperature of the system, we use the equation given by Charles' Law. This law states that volume of the gas is directly proportional to the temperature of the gas at constant pressure.

Mathematically,

\frac{V_1}{T_1}=\frac{V_2}{T_2}

where,

V_1\text{ and }T_1 are the initial volume and temperature of the gas.

V_2\text{ and }T_2 are the final volume and temperature of the gas.

We are given:

V_1=2.50L\\T_1=?K\\V_2=1.75L\\T_2=25^oC=(25+273)K=294K

Putting values in above equation, we get:

\frac{2.50L}{T_1}=\frac{1.75L}{294K}\\\\T_1=420K

Converting the temperature from kelvins to degree Celsius, by using the conversion factor:

T(K)=T(^oC)+273

420=T(^oC)+273\\T(^oC)=147^oC

Hence, the initial temperature of the system comes out to be 147 °C

6 0
4 years ago
Meteoroids are small objects in space, usually made of rock or metal. These bodies often get close to a planet and fall through
ser-zykov [4K]

Answer:

1. A burning streak of light, called a Meteor.

2.The rocky bodies that survives the fall to the planet’s surface are Meteorites.

Explanation:

Let us see the difference between them.  

  1. Asteroids: They are the remnants of a broken planet orbiting the sun in between Mars and Saturn.  They are small rocky bodies from a tennis ball size to larger ones weighing a few tones.
  2. Meteoroids: They are the small rocky objects of pebble size formed due to the collision of asteroids.
  3. Meteors: These are pebble size objects that enter Earth's atmosphere and burns off by forming streaks of light.
  4. Meteorites: These are rocky objects bigger than meteors than don't burn out completely and fall on the earth's surface.
  5. Comets:  These are objects mainly made of dust and ice that orbit the sun in a highly elliptical orbit. This composition makes a long tail when approaching the sun.
4 0
3 years ago
Read 2 more answers
A given wire of resistance 1 ohm
wlad13 [49]
Ok so i rlly dont know dis one srry
6 0
3 years ago
Which can lead to an inaccurate tympanic temperature reading?
lozanna [386]

Significant ear drainage or a scarred tympanic membrane can lead to inaccurate results on a tympanic temperature reading.

<h3>Why inaccurate tympanic temperature reading?</h3>

Significant ear drainage or a scarred tympanic membrane can lead to inaccurate results on a tympanic temperature reading.

Although an ear infection or the presence of an ear infection will not significantly affect a tympanic thermometer reading.

If the client has been sleeping on one side, take the temperature on the other side as heat may be increased on the side against the pillow.

Recent consumption of a cold beverage will not affect tympanic temperature.

To learn more about temperature readings, refer https://brainly.ph/question/20039492

#SPJ4

6 0
2 years ago
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