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jasenka [17]
3 years ago
13

The carbon bonds in organic compounds are: A. covalent B. ionic C. intermediate

Chemistry
1 answer:
Mashutka [201]3 years ago
7 0

Answer:

A.) Covalent

Explanation:

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Which BEST describes how an experiment should be designed?
vova2212 [387]

Answer:

form a hypothesis.

5 0
3 years ago
What term is used for the electrons in the outermost shell or energy level
Romashka [77]

Answer:

Valence Electrons

Explanation:

Valence electrons are the electrons in the outermost shell and can be used to form bonds.

7 0
4 years ago
A 825 g iron block is heated to 352 degrees C and is placed in an insulated container (of negligible heat capacity) containing 4
Stella [2.4K]

Answer : The final equilibrium temperature of the water and iron is, 537.12 K

Explanation :

In this problem we assumed that heat given by the hot body is equal to the heat taken by the cold body.

q_1=-q_2

m_1\times c_1\times (T_f-T_1)=-m_2\times c_2\times (T_f-T_2)

where,

c_1 = specific heat of iron =  560 J/(kg.K)

c_1 = specific heat of water = 4186 J/(kg.K)

m_1 = mass of iron = 825 g

m_2 = mass of water = 40 g

T_f = final temperature of water and iron = ?

T_1 = initial temperature of iron = 352^oC=273+352=625K

T_2 = initial temperature of water = 20^oC=273+20=293K

Now put all the given values in the above formula, we get:

(825\times 10^{-3}kg)\times 560J/(kg.K)\times (T_f-625K)=-(40\times 10^{-3}kg)\times 4186J/(kg.K)\times (T_f-293K)

T_f=537.12K

Therefore, the final equilibrium temperature of the water and iron is, 537.12 K

8 0
3 years ago
What is the mass, in grams, of a sample of 7.83 × 1024 atoms of helium (He)? Show your work or explain the steps that you used t
timurjin [86]
First, we will get the number of moles:
one mole contains Avogadro's number of atoms. Therefore, to know the number of moles in <span>7.83 × 10^24 atoms, we will simply do cross multiplication as follows:
number of moles = (</span><span>7.83 × 10^24*1) / (6.022 * 10^23) = 13 moles

From the periodic table:
mass of one mole of helium = 4 grams
Therefore:
mass of 13 moles of helium = 13*4 = 52 grams</span>
7 0
4 years ago
Water Fluoridation and Cancer Risk
Diano4ka-milaya [45]

If you have a concern about fluoride in your drinking water,  you can get more information by contacting the local community water system and is denoted as option D.

<h3>What is Water?</h3>

This is referred to as a universal solvent and is usually colorless and used for various purposes such as drinking, washing etc.

Fluoride is added to water by the the community water system as it helkps to build strong teeth and cavities thereby preventing tooth decay. They know the concentration which is added to the water which is why they need to be contacted for more information.

Read more about Water here brainly.com/question/5060579

#SPJ1

4 0
1 year ago
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