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Advocard [28]
4 years ago
10

Rhhhhhh hhdjasdlk lksdjdklsj askdj ​

Chemistry
2 answers:
DochEvi [55]4 years ago
8 0

how is this a question

statuscvo [17]4 years ago
5 0

Answer:

hehsn3eyn8yehuy3bdyrd

juusuususuusuusu

Explanation:

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What is the most important role that water plays for living organisms
Serggg [28]
I believe it is either B or C. I am leaning towards C
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3 years ago
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8 0
3 years ago
Question 1 (Multiple Choice Worth 2 points)
Nookie1986 [14]

The scientific models are used because they allow scientists to make predictions and make it easier for scientists to avoid using data. option A and C is correct.

<h3>What are scientific models?</h3>

The scientific models are those which is given by scientists to allow them to make prediction about anything particular on which they are working or making research for it some examples are plum pudding model for an atom and bohr's model of an atom etc.

The biggest advantage is that scientists do not have to check the given data which are written into books they can perform their experiment and can conclude the data by performing experiment.

Therefore, scientific models are used because they allow scientists to make predictions and make it easier for scientists to avoid using data. option A and C is correct.

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7 0
2 years ago
When 16.4 g of steam at 100°C condenses how much heat is released?
OLEGan [10]

Answer:

37064 J

Explanation:

Data Given:

mass of Steam (m) = 16.4 g

heat released (Q) = ?

Solution:

This question is related to the latent heat of condensation.

Latent heat of condensation is the amount of heat released when water vapors condenses to liquid.

Formula used

            Q = m x Lc . . . . . (1)

where

Lc = specific latent heat of condensation

Latent heat of  vaporization of water is exactly equal to heat of condensation with - charge

So, Latent heat of  vaporization of water have a constant value

Latent heat of  vaporization of water = 2260 J/g

So

Latent heat of condensation of water will be = - 2260 J/g

Put values in eq. 1

          Q = (16.4 g) x (- 2260 J/g)

          Q = - 37064 J

So,  37064 J of heat will be released negative sign indicate release of energy

4 0
3 years ago
Alkaline earth metals with the most electronegativity
Delicious77 [7]

Answer:

beryllium

Explanation:

electronegavity 1.57

4 0
3 years ago
Read 2 more answers
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