Physics High School

Balance the following equation
K+ h20= KOH+ H2

Answers

Answer 1

Answer:

2K + 2h2O =2KOH + H2

(Tell me if its incorrect)

Related Questions

Conoces algún proceso o producto de la vida cotidiana en el que se utilice agua oxigenada (H2O2) concentrada?

Answers

Answer:

wound disinfectant, to kill fungus, teeth whitener

Explanation:

Hydrogen peroxide or hydrogen peroxide is a polar compound which is why it is a strong oxidant.

Therefore it can be used as a wound disinfectant, to kill fungus, teeth whitener

In industry it is used for toothpastes, fabric bleach and in high concentrations 90% as rocket fuel

Which of these actions does NOT have a vector?
O Swinging from a wire
O Drilling a hole
O Kickig a soccer ball
O Looking to the right

Answers

drilling a hole because it’s a one way movement

Will the sun change its location throughout its development

Answers

Answer:

Yes

Explanation:

The Earth in orbit around the Sun, with its rotational axis shown. The Earth's axial tilt of approximately 23.5° ensures that observers at different locations will see the Sun reach higher-or-lower positions above the horizon throughout the year.

Two identical cars, each traveling at the same velocity, and having the same mass come to a stop
Car A stops in 0.3 seconds.
Car B stops in 5 seconds.
Which of the following statements is TRUE?
O Car A has less momentum and experiences less force than Car B.
O Car A has the same change in momentum but experiences more force than Car B.
Car A has the same change in momentum but experiences less force than Car B.
© Car A has the same change in momentum and experiences the same force as Car B.
1 2

Answers

Answer:

The second option - same change in momentum, different force

Explanation:

They experience the same change in momentum, but the force on car A is greater.

p=m*v

Impulse, or change in p=F*t

We know the cars have the same change in momentum, because they both go from the same initial momentum (p=mv), to zero momentum. Therefore, both experience the same change in momentum. Since the time is different, but the change in momentum is the same, the force has to be different.

For example: if both cars had 200 kg*m/s of momentum at the start, and 0 at rest, the impulse is 200 kg*m/s

So,

p(a)=    200=F(0.3)

p(b)=    200=F(5)

Which force has to be greater to make the equations true? The force for Car A, of course!

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