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2 years ago

Passenger airplanes take off in the troposphere but can eventually move into

1 answer:

5 0

Well that is because the stratosphere has lower temperatures and low air density. This gives the airplane less air pressure and with low air density they can fly faster :) Hope this helps.

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How much 6.0 M of nitrous acid (HNO2), in milliliters, is needed to make 235 mL of 1.00M<br> HNO2?

vladimir1956 [14]

Answer:

How many hydrogen MOLECULES are needed to produce 2 molecules of water (H2O)?

Explanation:

3 0

2 years ago

What properties of matter explain why the weight of an object on the moon is different than the weight of the same object on ear

algol13

Answer:

Gravity explains this.

Explanation:

Weights and mass are different terms .

Weight is defined as the force exerting on the surface due to the mass and gravity of acceleration.

$W=m*g$

Here mass is related to the density of the body. So as the density would be same mass woulnt vary.

Whereas the Gravity changes due to the property of the planet.

Gravity is different for different planets and hence moon and earth have two different values.

So the mass i.e density remains same on both planets but the g value always changes hence weight is different.

4 0

2 years ago

How many hydrogen atoms in 5 H2O?

romanna [79]

Answer:

B not sure sorry

Compound

8 0

2 years ago

Read 2 more answers

Elements x and y form 2 binary compounds. In the first 14.0 g of x combines with 3.0 g of y. In the second, 7.00 g of x combine

Roman55 [17]

second compound

Let molar mass of x is = X

Let molar mass of y is = Y

Moles of x in second compound = Mass / molar mass = 7 / X

Moles of y in second compound = Mass / molar mass = 4.5 / Y

For second compound

7 / X : 4.5/ Y = 1:1

Therefore

X / Y = 7/4.5

Y / X = 4.5/ 7

The mass of x in first compound = 14g

moles of x in first compound = 14/X

Mass of y in first compound = 3

moles of y in first compound = 3 / Y

14 / X : 3/ Y = 14Y / 3X = 14 X 4.5 / 3 X 7 = 3 :1

Thus molar ratio in first compound = moles of x / Moles of y = 3:2

Formula = x3y

6 0

2 years ago

This protein takes oxygen from hemoglobin in order to

never [62]

Answer:

i'm pretty sure it's 'transport oxygen from the lungs to tissues around the body'

4 0

2 years ago

Read 2 more answers