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3 years ago

What are the five branches of Earth Science?

Chemistry

2 answers:

coldgirl [10]3 years ago

4 0

Answer:

The following are the give branches of earth science

a) geology

b) oceanography

c) meteorology and climatology

d) environmental science

e) astronomy

Explanation:

a) geology: The study of earth as solid entity.

b) oceanography: study of oceans

c) meteorology and climatology: it deals with the study of atmosphere, the weather conditions, hurricanes etc, humidity, rainfall, etc.

d) environmental science: it deals with the study of environment, the impact of anthropogenic activities on environment.

e) astronomy: it is the study of outer space and the physical bodies beyond our planet, like study of moon etc.

AlladinOne [14]3 years ago

3 0

Branches of earth include geology, oceanography, meteorology, climatology, environmental science, and astronomyscience

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hammer [34]

The answer is B) Electrons flow from negitive end to positive end because opposites attract

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3 years ago

What is the reactants for this question?

kondor19780726 [428]

Oxygen, Hydrogen, ammonium perchlorate and powdered aluminum.

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3 years ago

Which of the following oxides will give the most basic solution when dissolved in water?

Yuri [45]

Answer: The correct answer is Option C.

Explanation:

Oxides are formed when a metal or a non-metal reacts with oxygen molecule. There are two types of oxides which are formed: Acidic oxides and basic oxides.

Acidic oxides are formed by the non-metals.

Basic oxides are formed by the metals.

From the given options:

Option 1: $SO_2$

Sulfur is the 16th element belonging to Group 16 and period 3 of the periodic table. This is a non-metal and will form acidic oxide.

Option 2: $CO_2$

Carbon is the 6th element belonging to Group 14 and period 2 of the periodic table. This is a non-metal and will form acidic oxide.

Option 3: $K_2O$

Potassium is the 19th element belonging to Group 1 and period 4 of the periodic table. This is a metal and will form basic oxide.

Option 4: $P_4O_{10}$

Phosphorus is the 15th element belonging to Group 15 and period 3 of the periodic table. This is a non-metal and will form acidic oxide.

Option 5: $SO_3$

Sulfur is the 16th element belonging to Group 16 and period 3 of the periodic table. This is a non-metal and will form acidic oxide.

Hence, the correct answer is Option C.

8 0

3 years ago

How many moles are in 25.90 grams of NaCl

inessss [21]

Answer:

0.44316859040048207mol

Explanation:

7 0

3 years ago

How many molecules of glucose are present in 1273 g. CaHlz0s?

Vinil7 [7]

Answer : The number of glucose molecule are, $42.55\times 10^{23}$

Explanation : Given,

Mass of $C_6H_{12}O_6$ = 1273 g

Molar mass of $C_6H_{12}O_6$ = 180.156 g/mole

First we have to calculate the moles of $C_6H_{12}O_6$ .

$\text{Moles of }C_6H_{12}O_6=\frac{\text{Mass of }C_6H_{12}O_6}{\text{Molar mass of }C_6H_{12}O_6}=\frac{1273g}{180.156g/mole}=7.066moles$

Now we have to calculate the number of molecules of glucose.

As, 1 mole of glucose contains $6.022\times 10^{23}$ number of glucose molecules

So, 7.066 mole of glucose contains $7.066\times 6.022\times 10^{23}=42.55\times 10^{23}$ number of glucose molecules

Hence, the number of glucose molecule are, $42.55\times 10^{23}$

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3 years ago