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Rina8888 [55]
3 years ago
12

In Thomson’s model of the atom , what parts of the atom were in motion

Chemistry
1 answer:
trasher [3.6K]3 years ago
4 0

Answer:

The electrons where in motion

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If electrons were used in the two slit experiment instead of light, what change would need to be made to the slit spacing in ord
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Calculate the oxidation number of the iodine (I) in each compound: HIO4 = I2 = NaI = HIO3 =
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1) in periodic acid (HIO₄), iodine has oxidation number +7, hydrogen has oxidation number +1, oxygen has -2, compound has neutral charge:
+1 + x + 4 · (-2) = 0.
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3) in sodium iodide (NaI), iodine has oxidation number -1, sodium has oxidation number +1:
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8 0
3 years ago
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How do you determine if an element is metal or non-metal?
snow_tiger [21]

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If the outermost shell has 5–7 electrons, it is a non-metal.

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3 years ago
An unknown metal has a mass of 86.8 g. When 5040 J of heat are added to the sample, the sample temperature changes by 64.7 ∘ C .
grandymaker [24]

Answer: The specific heat of the unknown metal is 0.897J/g^0C

Explanation:

The quantity of heat required to raise the temperature of a substance by one degree Celsius is called the specific heat capacity.

Q=m\times c\times \Delta T

Q = Heat absorbed=5040 Joules

m= mass of substance = 86.8 g

c = specific heat capacity = ?

Initial temperature of the water = T_i

Final temperature of the water = T_f

Change in temperature ,\Delta T=T_f-T_i=(64.7)^0C

Putting in the values, we get:

5040=86.8\times c\times 64.7^0C

c=0.897J/g^0C

The specific heat of the unknown metal is 0.897J/g^0C

4 0
3 years ago
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