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algol13
2 years ago
7

Identify the structure below.

Chemistry
1 answer:
fiasKO [112]2 years ago
7 0

If black balls are carbon atoms and white balls are hydrogen atoms then the given structure is of PROPANE

(Make sure to mention what exactly balls are?)

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Formaldehyde organic or inorganic
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Formaldehyde is an organic compound.
8 0
3 years ago
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
Why is the Hubble telescope located in space? *
dolphi86 [110]

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Explanation:

7 0
3 years ago
What is the symbol of a ion with a 22 protons, 34 neutrons, and 18 electrons
Dominik [7]
Well knowing the number of protons, you can find what the element is, which is Ti = titanium. Then to find the charge, simply subtract 22 and 18 which is +3.

Find the mass number by adding 22 and 34 = 56.

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This would be the correct notation in isotopic form.
3 0
3 years ago
Can somebody please help me with this & also give an explanation!! Will appreciate it
o-na [289]

Answer:

the density of the cube is 304 g/ cm^3

Explanation:

Because 1520 ÷ 5 = 304 or 304 × 5 =1520

7 0
2 years ago
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