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kicyunya [14]
4 years ago
6

In J.J. Thomson's plum pudding model of the atom, the plums represent

Chemistry
1 answer:
Maksim231197 [3]4 years ago
8 0
The answer is A. The “plums” or the “raisins” of the pudding are the electrons. The actual “pudding” is the nucleus, which is made up of protons and neutrons, so it is a large positively charged mass.
Hope this helps!!! ^v^
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Mass = 35g Volume = 7cm3 What is the Density?​
olga_2 [115]

Answer:

5 g/cm^3

Explanation:√3V=1.91293cm

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3 years ago
How many liters of solution can be produced from 2.5 moles of solute if a 2.0 M
Firlakuza [10]

Answer:

The answer is 1.25 L

Explanation:

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3 years ago
Consider a pot of water at 100 C. If it took 1,048,815 J of energy to vaporize the water and heat it to 135 C, how many grams of
jeka57 [31]

Answer:

There was 450.068g of water in the pot.

Explanation:

Latent heat of vaporisation = 2260 kJ/kg = 2260 J/g = L

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Let m = x g be the weight of water in the pot.

Energy required to vaporise water = mL = 2260x

Energy required to raise the temperature of water from 100 C to 135 C = msΔT = 70.35x

Total energy required = 2260x+x\times2.010\times(135-100)=2260x+70.35x=2330.35x

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Hence, there was 450.068g of water in the pot.

8 0
3 years ago
Is pcl3 covalent or ionic
WITCHER [35]
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5 0
3 years ago
Any help with these questions would help i'm lost
SSSSS [86.1K]

Answer:

1.  31.25 mL

2.  1.98 g/L

3.  0.45 g/mL

Explanation:

For each of the problems, you need to perform unit conversions.  You need to use the information given to you to convert to a specific unit.

1.  You need volume (mL).  You have density (g/mL) and mass (g).  Divide mass by density.  You will cancel out mL and be left with g.

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2.  You are given grams and liters.  You need to find density with units g/L.  This means that you have to divide grams by liters.

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(10.0 g)/(22.0 mL) = 0.45 g/mL

5 0
3 years ago
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