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Black_prince [1.1K]
3 years ago
6

All matter has both physical and chemical properties. True or False

Chemistry
1 answer:
erik [133]3 years ago
4 0

Answer:

F

Explanation:

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Calcule el poh de una disolucion de acido bromhidrico hbr 0.176m
Lerok [7]

Answer:

pOH = 13.246

Explanation:

pH = -log[H+]

[H+] = [HBr] porque HBr es un acido fuerte.

pH = -log(0.176) = 0.754

pH + pOH = 14

pOH = 14 - 0.754 = 13.246

4 0
3 years ago
Which two of Earth's spheres interact when the rainfall in a region increases after a volcanic eruption?
Salsk061 [2.6K]

Answer:

Geosphere and Hydrosphere

Explanation:

Rain is water, and the volcanic eruption from the valcano is rock

8 0
3 years ago
How many grams of N2 gas are present in 1.13 L of gas at 2.09 atm and 291 K?
solong [7]

Answer:

Mass= 2.77g

Explanation:

Applying

P=2.09atm, V= 1.13L, R= 0.082, T= 291K, Mm of N2= 28

PV=nRT

NB

Moles(n) = m/M

PV=m/M×RT

m= PVM/RT

Substitute and Simplify

m= (2.09×1.13×28)/(0.082×291)

m= 2.77g

6 0
3 years ago
Please Help! Asap! :)
yaroslaw [1]

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What is commonly used to run a central heating system?
Troyanec [42]
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