1. What is pressure in relation to a gas?A. the force the gas is exerting on its container
B. the amount of particles bumping into each other
c.the force an object exerts on a gas
2.When refering to a gas, the higher the temperature, the faster the particles move
True
false
3.Volume refers to
A. the size of the gas
B.the amount of liquid that fits inside a container
C.the size of the container
4.If pressure of a gas goes up, the volume has to go down
true or false
5. What makes a compound an acid?
It dissolves into Hydrogen ions in water (H+ and H3O+)
It has a pH higher than 7
It dissolves into Hydroxide ions in water (OH-)
It cannot be mixed with oil
6.What makes a compound a base?
It has a pH lower than 7
It dissolves into Hydrogen ions in water (H+ or H3O+)
It dissolves into Hydroxide ions in water (OH-)
It cannot be mixed with oil
Actually i have tried several times looked at the videos too and put the answer in but each time it keeps giving me 60 points out of 100 before i posted the ones here and the other ones i did it several times by myself and i'm only getting 4 wrong i know that much but i keep getting 60 and i need to unlock my test but i can't if i don't get a 70 and i thank you for your help to.
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hi
The answer to question 2 is true
1. The correct answer is A. Pressure in relation to a gas refers to the force the gas is exerting on its container. You can determine the pressure of a gas by dividing the force it exerts on the container by the area over which the force is distributed.
2. The statement is true. In a gas, particles move in random motion, and higher temperature increases the kinetic energy of particles, causing them to move faster.
3. The correct answer is C. Volume refers to the size of the container that holds the gas. It indicates the amount of space the gas occupies.
4. The statement is true. According to Boyle's Law, when pressure increases, the volume of a gas must decrease, assuming temperature remains constant. This is a direct relationship between pressure and volume.
5. The correct answer is A. What makes a compound an acid is its ability to dissolve into hydrogen ions (H+) or hydronium ions (H3O+) when mixed with water. Acids have a pH value less than 7 and can react with bases to produce a salt and water in a neutralization reaction.
6. The correct answer is C. A compound is considered a base if it dissolves into hydroxide ions (OH-) when mixed with water. Bases have a pH value higher than 7 and can react with acids in a neutralization reaction to form a salt and water.