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Alex Ar [27]
3 years ago
12

It's urgent! Any kind soul please help me ASAP! ​

Chemistry
1 answer:
nika2105 [10]3 years ago
8 0

Answer:

a white precipitate of barium chloride is formed as displacement reaction takes place.

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The temperature of a sample of a substance changes from 10.°C to 20.°C. How many Kelvin does the temperature change?
Vanyuwa [196]

Answer:

10 kelvin

Explanation:

10 c. =283.15 k.

20 c. = 293.15 k.

293.15 - 283.15 = 10

7 0
3 years ago
How many molecules are in 38.4 moles of NF3?
MrRissso [65]

Answer:3

Explanation:

I added and substituted for the garlic

8 0
3 years ago
Does anyone know how to do this?
Elanso [62]
Work out each and total up. hope this helped.
8 0
4 years ago
Humans have cut and frayed the woven tapestry of Earth’s biodiversity. Choose 2 of the 3 intertwined systems mentioned in the fi
Flura [38]
The answer is GENETIC DIVERSITY and SPECIES DIVERSITY
8 0
3 years ago
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If a mixture of gases contains 4.5 atm of O2 and 785 mm Hg of N2. What is the total
vichka [17]

Answer:

The total pressure of the mixture is 5, 53 atm.

Explanation:

The sum of the partial pressures of the gases that make up a gaseous mixture is equal to the total pressure of said mixture, according to Dalton's law. We convert the unit of pressure in mmHg into atm:

760 mmHg----1 atm

785 mmHg----x= (785 mmHgx 1 atm)/760 mmHg=1, 03 atm

P total= P 02 + P N2

P total= 4, 5 atm + 1,03 atm=<em>5, 53 atm</em>

7 0
3 years ago
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