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Nuetrik [128]
4 years ago
10

Extra Practice... 1) What is the speed of light?

Chemistry
1 answer:
miss Akunina [59]4 years ago
4 0

What is the speed of light?

The speed of light is 299,792,458 meters per second.

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How many grams of Zn(NO3) are in 3.67 miles?
Vikki [24]
0.866 Zn are in 3.67 miles
8 0
3 years ago
Which action would shift this reaction away from solid barium sulfate and toward the dissolved ions?
ss7ja [257]

Answer:

   adding silver ions , adding chloride ions, removing chloride ions and removing silver chloride.

Explanation:

Barium sulfate is an insoluble ionic  compound since it is insoluble in water.

We can differentiate barium ions and sulfate ions away from the surface if we add a small amount of solid barium sulfate is mixed with water and shaken.

  The action would shift this reaction away from solid barium sulfate and toward the dissolved ions are adding silver ions , adding chloride ions, removing chloride ions and removing silver chloride.

An ionic and covalent quality has in every molecular bond.

In barium sulfate barium has lowest electronegativities.

Oxygen has highest electronegativities.

so the bond between both barium and sulfate is ionic in character.

8 0
3 years ago
Give reasons.
shutvik [7]

Answer:

Answer refer to the above attachment .

Bcoz some words are unable to answer .

8 0
3 years ago
Read 2 more answers
How much heat must be removed from 456 g of water at 25.0°c to change it into ice at?
N76 [4]
This question can be simply solved by using heat formula,
    Q = mCΔT

Q = heat energy (J)
m = Mass (kg)
C = Specific heat capacity (J / kg K)
ΔT = Temperature change (K)

when water freezes, it produces ice at 0°C (273 K)
hence the temperature change is 25 K (298 K - 273 K)
C for water is 4186 J / kg K or 4.186 J / g K
By applying the equation,
 Q = 456 g x 4.186 J / g K x 25 K
     = 47720.4 J
     = 47.72 kJ

hence 47.72 kJ of heat energy should be removed.
5 0
3 years ago
6020000 in scientific notation
kobusy [5.1K]
6.02 x 10^6

Hoped that helped.
7 0
3 years ago
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