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Vadim26 [7]
3 years ago
12

Ayudameeeee Jorge AhAaaAA

Chemistry
2 answers:
otez555 [7]3 years ago
6 0

Cual es tu pregunta o que pixs... Dime y te ayudo

Gelneren [198K]3 years ago
5 0
Ok what you want. I got u
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How does air bubbles affect density of a solid object?
kirill [66]

it decreases the density of the object the air bubbles take up space. it increases the volume of the object slightly but the objects weight remains the same, hence the objects density decreases

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How many total electrons are in a sr 2 ion?
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Sr    N(e⁻)=38
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36e⁻
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14. pH value are basic are greater than what number while acids are have a pH less than
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5 0
3 years ago
explain why it is easier to separate a solid from another solid compared to a liquid from another liquid
makkiz [27]

Answer:

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4 0
3 years ago
The volume of a gas at 17.5 psi decreases from 1.8L to 750mL. What is the new pressure of the gas in arm?
Maurinko [17]

Answer:

P₂ = 2.88 atm

Explanation:

Given data:

Initial volume of gas = 1.8 L

Final volume = 750 mL

Initial pressure = 17.5 Psi

Final pressure = ?

Solution:

We will convert the units first:

Initial pressure = 17.5  /14.696 = 1.2 atm

Final volume = 750 mL ×1L/1000L = 0.75 L

The given problem will be solved through the Boly's law,

"The volume of given amount of gas is inversely proportional to its pressure by keeping the temperature and number of moles constant"

Mathematical expression:

P₁V₁ = P₂V₂

P₁ = Initial pressure

V₁ = initial volume

P₂ = final pressure

V₂ = final volume  

Now we will put the values in formula,

P₁V₁ = P₂V₂

1.2 atm × 1.8 L =  P₂  ×0.75 L

P₂ = 2.16 atm. L/ 0.75 L

P₂ = 2.88 atm

4 0
3 years ago
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