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dmitriy555 [2]
3 years ago
10

Which of these bonds should be classified as ionic?

Chemistry
2 answers:
jolli1 [7]3 years ago
7 0

Answer:

Na-O

Be-S

Explanation:

ionic bonds= metal and non metal

Gelneren [198K]3 years ago
6 0

Answer:

Na-O

Explanation:

i solved it in study island and i got this answer correct

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If a rock is thrown 0.8 meters into the air, How fast was it thrown
sergiy2304 [10]
V=0 m/s, u=?, a = 9.8 m/s² and s = 0.8 m
u²=2×9.8×0.8=15.68
<span>u=3.959 ≈ 3.96 m/s

</span>
3 0
3 years ago
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Calculează masa zaharului si volumul apei necesare pentru prepararea 500g de soluție de zahăr cu partea de masa 20%
Sedbober [7]
T = 20 %  : 20 / 100 = 0.2

m1 = solute 

m2 = Solvent

T = m1 / m1 + m2

0.2 = 500 g / 500 g + m2

0.2 * ( 500 + m2 ) = 500

0.2 * 500 + 0.2 m2 = 500

100 + 0.2 m2 = 500

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m2 = 400 / 0.2

m2 = 2000 g of water

hope this helps!



7 0
3 years ago
Which roles belong to decomposers? Check all that apply.
Crank

Answer:Decomposers break down waste and dead organisms.

Explanation:

Decomposers help keep the environment clean by acting on waste

8 0
3 years ago
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Hospital patients are administered oxygen from an pressurized
Nataly_w [17]

Answer:

110L

Explanation:

Boyle's Law states that P1×V1=P2×V2

Volume is indirectly proportional to Pressure so P×V is constant

P1=55atm

V1=6L

P2=3atm

V2 is to be found

P1×V1=P2×V2

6×55=3×V2

330=3×V2

Answer: V2=110L

8 0
3 years ago
cuando las particulas estan separadas una de la otra se dice que su estado de agregacion o fisico es?
Mamont248 [21]

Answer:

english:

Solid is the state in which matter maintains a certain volume and shape; liquid is the state in which matter conforms to the shape of its container, but varies only slightly in volume; gas is the state in which matter expands to fill the volume and shape of its container.

español:

Sólido es el estado en el que la materia mantiene cierto volumen y forma; el líquido es el estado en el que la materia se adapta a la forma de su recipiente, pero varía sólo ligeramente en volumen; el gas es el estado en el que la materia se expande para ocupar el volumen y la forma de su recipiente.

7 0
3 years ago
Read 2 more answers
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