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vesna_86 [32]
3 years ago
9

Water is believed to be one of the best fire extinguishers then why it is so that fire in oil spills over ocean/sea is difficult

to douse? Choose the most appropriate explanation.
a. Water has no effect on the Ignition temperature of oil
b. Oil is less dense than water and thus continues to undergo combustion
c. Density of oil and water has no bearing on the nature of fire and hence on the
extinguisher
d. All above statements are correct explanation for the given statement
Chemistry
1 answer:
Eddi Din [679]3 years ago
6 0

Answer:

D

Explanation:

Trust me

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Seafood Watch has made several unsustainable fishing practices illegal. true or false
zysi [14]

Answer:

True

Explanation:

As per the standards of fishing outlined by Seafood watch, fishing related to endangered species , threatened species, over fished or depleted species has been restricted to allow these fishes to recover otherwise they may become extinct. Catching of mammals, sharks, finish, turtles, shellfish  etc. have been strictly restricted . Not only this several fishing practices have also been restricted such as sea floor netting , Night setting , Side setting, Line shooter and mainline  tension, bait caster, live  bait, thawing bait  etc.

6 0
3 years ago
Read 2 more answers
The table compares the final cost of
Snowcat [4.5K]

Answer:

y = -2.5 + x

Explanation:

Given the data:

__X____Y

$20 __$17.50

$21 __ $18.50

$22__ $19.50

$23__ $20.50

Using a linear regression calculator :

The linear regression model obtained is :

y = -2.5 + x

Where ; - 2.5 = intercept ; gradient / slope = 1

3 0
3 years ago
Certain atoms emit photons of light with an energy of 3.820 ✕ 10−19 J. Calculate the frequency (in Hz) and wavelength (in nm) of
charle [14.2K]

Answer:

ν = 5,765x10¹⁴ Hz

λ = 520 nm

230,0 kJ/mole

Explanation:

To convert energy yo frequency you need to use:

E = hν

Where E is energy (3,820x10⁻¹⁹ J)

h is Planck's constant (6,626x10⁻³⁴ Js)

And ν is frequency, replacing ν = 5,765x10¹⁴ s⁻¹ ≡ 5,765x10¹⁴ Hz

To convert frequency to wavelength:

c = λν

Where s is speed of light (2,998x10⁸ ms⁻¹)

ν is frequency (5,765x10¹⁴ s⁻¹)

And λ is wavelength, replacing: λ = 5,200x10⁻⁷ ≡ 520 nm

If 1 photon produce 3,820x10⁻¹⁹ J, in mole of photons produce:

3,820x10⁻¹⁹ J ×\frac{6,022x10^{23}}{1 mole} = 230040 J/mole ≡ 230,0 kJ/mole

I hope it helps!

4 0
3 years ago
25. How is the information in an image sent through the digital signal system?
lawyer [7]
By binary codes or a whole image depending on the description of the image.
4 0
2 years ago
Read 2 more answers
What is the formula of silicon(IV)oxide?​
Vesnalui [34]

Answer:

SiO2

Explanation:

'Si' is the label given to silicon on the periodic table.

6 0
3 years ago
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