At 25°c, gas in a rigid cylinder with a movable piston has a volume of 145 ml and a pressure of 125 kpa. then the gas is compressed to a volume of 80. ml. what is the new pressure of the gas if the temperature is held at 25°c? (1) 69 kpa (3) 160 kpa (2) 93 kpa (4) 230 kpa the first person didn't make sense as p1v1 = p2v2 isnt the same thing as p1v1/v2 that literally doesn't make sense, so could someone me !

(4) 230 kPa

Explanation:

The temperature is constant, so the only variables are pressure and volume.

We can use Boyle’s Law.

Divide both sides of the equation by .

8

explanation:

each principal energy level above the first contains one s orbital and three p orbitals. a set of three p orbitals, called the p sublevel, can hold a maximum of six electrons. therefore, the second level can contain a maximum of eight electrons - that is, two in the s orbital and 6 in the three p orbitals.

mark brainliest and have a great day!

out of these options:

ability to burn paper

pure sodium reacting violently with water

the boiling point of water

helium does not tend to react with anything

i would say this is a physical property:

helium does not tend to react with anything

why? :

i said helium does not tend to react with anything because well, it reacts to ! but ability to burn paper, pure sodium reacting violently with water, & the boiling point of water are chemical or

physical properties: the properties of a substance that can be observed without changing the chemical makeup of the substance

chemical properties: properties of a substance relating to the chemical nature and reactivity of the substance