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stealth61 [152]
2 years ago
9

PLEASE HELP ME ASAP I WILL MARK BRAINLYEST

Chemistry
1 answer:
Dafna11 [192]2 years ago
8 0

If the soil reacts with vinegar it's ph level is higher than 6.5

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What is the mass of a 1.68-l sample of a liquid that has a density of 0.921g/ml?
Gwar [14]
Hey there!

Volume in mL :

1.68 L  * 1000 => 1680 mL

Density = 0.921 g/mL

Therefore:

Mass = density * Volume

Mass = 0.921 * 1680

Mass = 1547.28 g 
7 0
3 years ago
The following characteristics describe which type of mixture, homogeneous or heterogeneous? The substance is mixed uniformly thr
alexira [117]
The correct answer to this question is letter "A. homogeneous mixture." The following characteristics describe the type of mixture, which is a homogeneous mixture. The substance is mixed uniformly throughout and each part of <span>the substance contains the same ratio of materials with the same properties</span>
3 0
3 years ago
if i have 2.4 moles of gas held at a temperature of 97 c and in a container with a volume of 45 L , what is the pressure of the
choli [55]

Answer:

1.62 L

Explanation:

T= 97+273.15= 370.15

R= 0.08206 atm/mol⋅K

V= 45 L

n= 2.4 mol

P= (n⋅R⋅T)/V

= (2.4 x 0.08206 x 370.15)/(45) = 1.61997 = 1.62

7 0
2 years ago
Soluble substances can dissolve in certain solvents true or false
daser333 [38]

Answer:

True

Explanation:

Soluble substances dissolve.

Therefore they wouldn't be called soluble if they can't dissolve in solvents

Happy to help

Pls mark as Brainliest.

3 0
3 years ago
Why does Uranus have a blue/green color?
konstantin123 [22]
(The other are Jupiter, Saturn,and Neptune)It's atmosphere is composed primarily of hydrogen and helium with a small amount of methane and traces of water in an ammonia Uranus gets its blue green color from methane gas.


sunlight is reflected from Uranus's clould tops, which lie beneath a layer of methane gas Uranus is clouds top with lie beneath a layer of methanol gas
7 0
3 years ago
Read 2 more answers
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