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Shkiper50 [21]
4 years ago
11

Help I need a concluding sentence for my conclusion this is what i have so far: in conclusion we discovered that lamp oil has th

e most surface tension and polarity. We could fit the most drops of lamp oil on the penny without the bubble breaking. 34 drops was the maximum amount of drops we got. Lamp oil is a very polar substance
Chemistry
1 answer:
Liono4ka [1.6K]4 years ago
3 0
I personally, would remove " Lamp oil is a very polar substance " And replace it with what the article you wrote, was about. For example, lets say you wrote about why people love ice cream, you could have the ending sentence say. " And that's why I wrote about why people love ice cream" Or something along those lines. I'd write a few more facts about it first,  don't just have one sentence saying a fact without any supporting detail, hope this helps! :)
You might be interested in
4. What characteristic of an element differs between isotopes?
marissa [1.9K]

Answer:

Isotopes of the same elements are different because although they have the same number of protons and electrons, they have a different number of neutrons

Explanation:

The number of neutrons in the nucleus determines the specific isotope of an element. The only difference between isotopes of an element is the number of neutrons present.

4 0
3 years ago
Part A Transmutation is the process of transforming one element into another through nuclear reactions. What will be the nuclide
S_A_V [24]

<u>Answer:</u> The isotope produced after the transmutation process of Cf-249 and C-12 is _{104}^{257}\textrm{Rf}

<u>Explanation:</u>

Transmutation is defined as the process where one chemical isotope gets converted to another chemical isotope. The number of protons or neutrons in the isotope gets changed.

The chemical equation for the reaction of Californium-249 nucleus with Carbon-12 nucleus follows:

_{98}^{249}\textrm{Cf}+_6^{12}\textrm{C}\rightarrow _{Z}^{A}\textrm{X}+4_0^1\textrm{n}

In a nuclear reaction, the total mass and total atomic number remains the same.

<u>To calculate A:</u>

Total mass on reactant side = total mass on product side

249 + 12 = A + 4

A = 257

<u>To calculate Z:</u>

Total atomic number on reactant side = total atomic number on product side

98 + 6 = Z + 0

Z = 104

Hence, the isotope produced after the transmutation process of Cf-249 and C-12 is _{104}^{257}\textrm{Rf}

5 0
3 years ago
What do scientists suspect the core might be made of?
nikklg [1K]
If your question is of the core of the Earth, it is suspected to be made of iron and nickel. 
7 0
4 years ago
Read 2 more answers
Can an ion be either positive or negative? True or False
vekshin1

Answer:

True

Explanation:

3 0
3 years ago
2. 1.5 moles of AgNO3 reacts with 0.5 mole of Mg3P2. Calculate the moles of excess
kicyunya [14]

Answer:

No of Moles in excess at the end of the reaction  is 0.25 moles

Explanation:

AgNO3  +   Mg3P2  → Ag3P + Mg(NO3)2

Balancing the equation we get

6AgNO3  +   Mg3P2  → 2Ag3P + 3Mg(NO3)2

6 moles of AgNO3 needs 1 mole of Mg3P2

using unitary method

AgNO3 = \frac{1}{6}*Mg3P2

1.5 AgNO3 = \frac{1}{6}*1.5

                  = 1/4 = 0.25moles of Mg3P2

So 1.5 Moles of AgNO3 requires 0.25Mg3P2 for complete reaction but we have 0.5Moles of Mg3P2 available Therefore Mg3P2 is in excess

No of Moles in excess at the end of the reaction = 0.5 - 0.25 = 0.25moles

5 0
3 years ago
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