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ladessa [460]
3 years ago
15

How can baking soda extinguish fires?

Physics
2 answers:
zubka84 [21]3 years ago
8 0
When sodium bicarbonate<span> (</span>baking soda<span>) is heated, it becomes sodium carbonate. In this process water and carbon dioxide is released. The CO2 starves the </span>fire<span> of 02.</span>
VLD [36.1K]3 years ago
8 0
Yes but only small grease fires. But if it's a huge fire you'll probably need alot of baking soda
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An aluminum rod 17.400 cm long at 20°C is heated to 100°C. What is its new length? Aluminum has a linear expansion coefficient o
NISA [10]

Answer:

the new length is 17.435cm

Explanation:

the new length is 17.435cm

pls give brainliest

3 0
3 years ago
A football wide receiver runs out from the line of scrimmage, turns around and runs 2 meters back toward the quarterback. Compar
nexus9112 [7]

Answer:

See below

Explanation:

TOTAL distance = x meters   (not given how far he ran from scrimmage line)

Displacement =  x - 2   meters     ( although football uses yards not meters)

3 0
2 years ago
Suppose a star the size of our Sun, but with mass 9.0 times as great, were rotating at a speed of 1.0 revolution every 7.0 days.
kvasek [131]

Answer:

Its rotation will be 3.89x10⁴ rad/s.

Explanation:

We can find the rotation speed by conservation of the angular momentum:

L_{i} = L_{f}

I_{i}\omega_{i} = I_{f}\omega_{f}   (1)

The initial angular speed is:

\omega_{i} = \frac{1 rev}{7 d} = 0.14 \frac{rev}{d}

The moment of inertia (I) of a sphere is:

I = \frac{2}{5}mr^{2}    (2)

Where m is 9 times the sun's mass and r is the sun's radius

By entering equation (2) into (1) we have:

\frac{2}{5}m_{i}r_{i}^{2}\omega_{i} = \frac{2}{5}m_{f}r_{f}^{2}\omega_{f}

9m_{sun}(696342 km)^{2}0.14\frac{rev}{d} = \frac{3}{4}9m_{sun}(13 km)^{2}\omega_{f}

\omega_{f} = \frac{4}{3}*0.14 \frac{rev}{d}(\frac{696342 km}{13 km})^{2} = 5.36 \cdot 10^{8} \frac{rev}{d}*\frac{1 d}{24 h}*\frac{1 h}{3600 s}*\frac{2\pi rad}{1 rev} = 3.89 \cdot 10^{4} rad/s          

Hence, its rotation will be 3.89x10⁴ rad/s.

I hope it helps you!                                                        

3 0
4 years ago
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Serggg [28]
The answer is insulator like rubber, wood stuff like that ^-^
4 0
3 years ago
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As the soviet russian soldiers approached the camp what were the prisoners forced to do
konstantin123 [22]
The prisoners were forced to hide under their beds or take cover as the Russians would have to fight their way into the camps. Hope this helps :)
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