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3 years ago

14

A fire extinguisher has a pressure of 3 atm at 25 degrees C. What is the final pressure, in atmospheres, when the fire extinguis

her is used at a temperature of 75 degrees C

1 answer:

posledela3 years ago

5 0

Answer:

....

Explanation:

.......

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How many ne atoms are contained in 32.0g of the element?

soldi70 [24.7K]

(32.0 g Ne) / (20.1797 g Ne/mol) × (6.022 × 10^23 atoms/mol) = 9.55 × 10^23 atoms N3

7 0

3 years ago

A rectangular prism of volume 84 cm 3 has a mass of 760 g. What is the density of the rectangular prism? 5.8 g•cm 3 9.0 g/cm 3 6

Fiesta28 [93]

Answer:

9.0 g/cm³

Explanation:

Density can be computed with the formula:

$D=\dfrac{M}{V}$

Where:

D = Density

M = Mass

V = Volume

In your problem we are given:

84 cm³ = volume

760 g = mass

So we just plug in our given into the formula:

$D=\dfrac{M}{V}$

$D=\dfrac{760g}{84cm^{3}}$

$D=9.05g/cm^{3}$

The answer would then be:

9.0 g/cm³

3 0

3 years ago

What is mean by kinetic energy

Vinvika [58]

The energy that an object has is moving

5 0

2 years ago

What is the mole to mole ratio of LiOH to HBr for the following reaction?

umka21 [38]

Explanation:

so moles = mass ÷ mr (1+ 79.9)

so 10.00g ÷ 80.9

which is 0.1236093943

so to 3 S.F is 0.124 moles

also there is 1 to 1 ratio for LiOH to HBr

hope this helps :)

8 0

2 years ago

During the reaction of 2,4-dinitrofluorobenzene with methoxide in methanol it was observed that it occurs at a significantly hig

Pachacha [2.7K]

Answer:

Explanation:

your not so smart

3 0

2 years ago