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Evgen [1.6K]
3 years ago
11

As you move down a group in the periodic table atomic size generally

Chemistry
1 answer:
Semenov [28]3 years ago
6 0

Answer:-

Increases

Explanation:-

Atomic size refers to the distance between the nucleus and the outermost valence shell.

As you move down a group, a new shell is added. So the distance of the valence shell increases from the nucleus as we go down a group.

Thus as you move down a group in the periodic table atomic size generally

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Which of the following statements correctly describes a kingdom in the Domain
abruzzese [7]

Answer:

D. Kingdom Fungi includes organisms that get energy by absorbing materials in their environment.

Explanation:

Organisms in the domain Eukarya are characterized by the possession of a well defined NUCLEUS in their cells. Kingdoms in this domain include animalia, plantae and fungi.

- Kingdom animalia contains multicellular organisms that are strictly heterotrophic i.e. cannot synthesize their own food, hence, rely on other organisms for nutrition.

- Kingdom plantae contains multicellular organisms that are capable of movement but not independently i.e. they cannot move from their fixed positions.

- Kingdom Fungi includes organisms that get energy by absorbing materials in their environment via a structure called MYCELIUM.

8 0
3 years ago
Question 8 (1 point)
Margaret [11]

Combustion of Fossil Fuels

Explanation:

The combustion of fossil fuels is a major contributor to unbalancing of the carbon cycle which causes more carbon dioxide to be released into the air than can be naturally processed.

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Energy brainly.com/question/9231468

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5 0
3 years ago
The coolant in automobiles is often a 50/50 % by volume mixture of ethylene glycol, C2H6O2, and water. At 20°C, the density of e
Misha Larkins [42]

Explanation:

Let the volume of the solution be 100 ml.

As the volume of glycol = 50 = volume of water

Hence, the number of moles of glycol = \frac{mass}{molar mass}

                                                  = \frac{density \times volume}{molar mass}

                         = \frac{1.1088 \times 50}{62 g/mol}

                         = 0.894 mol

Hence, number of moles of water = \frac{50 \times 0.998}{18}

                                             = 2.77

As glycol is dissolved in water.

So, the molality = 0.894 \times \frac{1000}{49.92}

                           = 17.9

Therefore, the expected freezing point = -1.86 \times 17.9

                                                                  = -33.31^{o}C

Thus, we can conclude that the expected freezing point is -33.31^{o}C.

6 0
3 years ago
PLEASE HELP ME!!!
Lisa [10]

Answer:

A) a chain reaction that is caused by nuclear fission

4 0
3 years ago
Given 8.25 g of butanoic acid and excess ethanol, how many grams of ethyl butyrate would be synthesized, assuming a complete 100
mash [69]

Answer:

              10.87 g of Ethyl Butyrate

Solution:

The Balance Chemical Equation is as follow,

   H₃C-CH₂-CH₂-COOH + H₃C-CH₂-OH  →  H₃C-CH₂-CH₂-COO-CH₂-CH₃ + H₂O

According to equation,

    88.11 g (1 mol) Butanoic Acid produces  =  116.16 g (1 mol) Ethyl Butyrate

So,

           8.25 g Butanoic Acid will produce  =  X g of Ethyl Butyrate

Solving for X,

                      X =  (8.25 g × 116.16 g) ÷ 88.11 g

                      X =  10.87 g of Ethyl Butyrate

8 0
3 years ago
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