Biology Middle School

A chemical reaction separates water into hydrogen gas and oxygen gas. Which of the following statements is true about the mass of the water and the combined mass of the two gases?

Responses

The mass of the water is greater than the combined mass of the two gases.

The combined mass of the two gases is much greater than the mass of the water.

The combined mass of the two gases is the same as the mass of the water.

The mass of the water is the same as double the combined mass of the two gases.

Answers

Answer 1

Answer:

Explanation:

The mass of the water is greater than the combined mass of the two gases.

Answer 2

A).The mass of the water is greater than the combined mass of two gases

Related Questions

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Answers

Answer:

Explanation:

Gravitational force is calculated by (m₁ * m₂)/d² where d is the distance, m₁ is the mass of one object and m₂ is the mass of another. Let's set m₁ to the mass of the star. Since the gravitational force we are trying to calculate is between the star and each object, the number amount of the star's mass is not required. Additionally, all objects are the same distance from the star, so distance measurements do not matter. All we have to do is compare the masses. By using the equation, logically, greater masses should yield a larger gravitational force. Thus, since W has the greatest mass, it must have the strongest gravitational force of attraction with the star.

Answer:

C) W

Explanation:

(m1 * m2)/d2, where d is the distance, m1 is the mass of one item, and m2 is the mass of another, is the formula for gravitational force. Let's put m1 equal to the star's mass. The mass of the star is not necessary since the gravitational force we are attempting to compute is between each item and the star. Distance measurements are also irrelevant because all objects are at the same distance from the star. To compare the masses is all that is necessary. Using the equation, more masses should theoretically result in a stronger gravitational pull. W must thus have the biggest gravitational pull on the star since it has the most mass.

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Answers

balanced, which means that the forces pushing the rock in one direction are equal to the forces pushing the rock in the opposite direction. This is why the rock remains motionless on the flat sidewalk.

It is balances because nor is it being pulled or pushed.

What is the atmosphere? Answer in 2-4 sentences, including the words below:
Gases.
Air pressure.
Altitude.
Temperature.

Answers

Answer: the atmosphere is a layer of gases that surrounds the Earth. The air pressure, altitude and temperature of the atmosphere vary depending on where you are within it. In general the higher you go in the atmosphere, the lower the air pressure and temperature become

Explanation:

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