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Bess [88]
3 years ago
5

Which statement is not included in John Dalton's modern theory of the atom?

Chemistry
1 answer:
Harman [31]3 years ago
5 0

Answer:

atoms of different elements combine and form new elements

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6 0
4 years ago
A double replacement reaction occurs when aqueous potassium iodide and aqueous mercury (I) nitrate are mixed. What is the correc
pashok25 [27]
The answer should be 2KI(aq)+Hg(NO3)2(aq) = 2KNO3(aq) + HgI2(s). This is a double replacement reaction, the valence of elements will not change. The HgI2 is not soluble in water.
4 0
3 years ago
A sample of water (88 grams) had a temperature change of 6.0 ℃. What was the heat change of this sample? (q = m c ΔT, c = 4.18 J
jeka94

Answer:

Q=2209J

Explanation:

Hello!

In this case, since the heat involved during a heating process is computed in terms of mass, specific heat and temperature change as shown below:

Q=mC\Delta T

Thus, since the heated mass of water was 88 g, the specific heat of water is 4.184 J/g°C and the temperature change is 6.0 °C, we can compute the heat as shown below:

Q=88g*4.184\frac{J}{g\°C}*6.0\°C \\\\Q=2209J

Best regards!

7 0
3 years ago
In the vertical columns of the periodic table, as the atomic numbers increase: The numbers of electron shells increase. The ioni
Kisachek [45]
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4 0
4 years ago
Read 2 more answers
I’ll give the brainliest
Readme [11.4K]

Answer:

Water gradually degrades them until the metal parts rust and the other materials deteriorate.

Explanation:

8 0
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