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JulijaS [17]
3 years ago
10

Please help !! Will give the brainliest for the complete assignment

Chemistry
1 answer:
kirill [66]3 years ago
8 0

what role does voting play in the political process

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Researchers are investigating processed that happen during digestion which answer choice describes only a physical change during
dolphi86 [110]

Answer:Chewing in the mouth breaks food into smaller pieces

Explanation: all you are doing is breaking down the food in your mouth

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3 years ago
Think about chemicals you may have in your home and list as many as you can think of:
MAVERICK [17]

Sucrose; C12H22O11

C9H8O4; acetyl salicylic acid

H2O2; hydrogen peroxide,

NaOH; sodium hydroxideExplanation:

6 0
3 years ago
Read 2 more answers
Boyle's Law represents the relationship of volume as pressure changes. The constants of Boyle's Law are:
Aleksandr [31]

Answer:

d. Temperature and number of molecules of gas  

Step-by-step explanation:

Boyle's Law states, "The volume of a fixed mass of a gas is inversely proportional to the pressure if the temperature remains constant."

Let's examine the words.

"… volume…is inversely proportional to the pressure …" This means that volume and pressure are the <em>variables</em>.

"… fixed mass of a gas …" means that the number of molecules is constant.

"… temperature remains constant" speaks for itself.

a, c, and e are <em>wrong</em>, because pressure is a variable.

b is <em>wrong</em>, because volume is a variable.

5 0
3 years ago
Electron pair geometry and molecular geometry may be the same or may be different.
soldier1979 [14.2K]
True. For example, electron domain geometry and molecular geometry of water and ammonia are different.
8 0
3 years ago
An empty erlenmeyer flask weighs 241.3 g. when filled with water (d = 1.00 g/cm3), the flask and its contents weigh 489.1 g. wha
g100num [7]

 

The volume of the flask would simply be equal to the volume of the water. And the mass of the water would be the difference after and before weigh.

mass of water = 489.1 g – 241.3 g

mass of water = 247.8 g

 

Therefore the volume of water (which is also the volume of the flask) is:

volume = 247.8 g / (1.00 g/cm^3)

volume = 247.8 cm^3

 

The total mass of the flash when filled with chloroform would be:

total mass with chloroform = 241.3 g + 247.8 cm^3 (1.48 g/cm3)

total mass with chloroform = 608.04 g

 

 

Answers:

volume = 247.8 cm^3

total mass with chloroform = 608.04 g

4 0
3 years ago
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