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RoseWind [281]
4 years ago
9

What does the field of chemistry study?

Chemistry
2 answers:
IRINA_888 [86]4 years ago
3 0

Answer:

Chemistry is the study of matter and energy and the interactions between them. You could use chemistry in most fields, but it's commonly seen in the sciences and in medicine.Chemists, physicists, biologists, and engineers study chemistry.

Explanation:

Masja [62]4 years ago
3 0

<u>Answer:</u>

<em>Chemistry is a branch of study which deals with matter. </em>

<em></em>

<u>Explanation:</u>

All matter is made up of atoms which undergoes chemical reactions.

Chemistry is the study which deals with these chemical reactions.

The physical and chemical properties gives us the information about the nature of the substance.

We get to know the composition and structure of various compounds present in nature.

Analytical chemistry, biochemistry, inorganic chemistry, organic chemistry, physical chemistry, and biophysical chemistry are some of the important branches of chemistry.

Analytical chemistry uses qualitative and quantitative observation to identify and measure the physical and chemical properties of substances

Physical chemistry combines chemistry with physics. Physical chemists study how matter and energy interact.

Organic chemistry is known as the “Chemistry of Life” because all of the molecules that make up living tissue have carbon as part of their makeup.

Inorganic chemistry studies materials such as metals and gases that do not have carbon as part of their makeup.

Biochemistry is the study of chemical processes that occur within living organisms.

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He amount of sun that an area receives affects the movement of water through the water cycle, which is illustrated below.
Elan Coil [88]

Answer:

evaporation

Explanation:

The process of evaporation is as a result of water absorbing energy from the sun.

The process is a phase change in which liquid water changes into gaseous form.

  • The water in gaseous form is called vapor
  • This water cools and condenses in the atmosphere as it loses the energy it has gained.
  • For evaporation to take place, water must absorb energy from the sun or other heating bodies.
  • This will then cause vaporization of the liquid water into a gaseous form.
4 0
3 years ago
Find the final equilibrium temperature when 10.0 g of milk at 10. c is added to 1.60 x 10^2g of coffee with a temperature of 90.
IRINA_888 [86]
The concept that can be used in order to answer this item is that of the conservation of heat among the system. We let T be equal to the final temperature. The equation that would allow us to relate the initial and final conditions of both substances is as follows,

     m₁cp₁(T - T₁)  = m₂cp₂(T₂ - T)

The first entity, 1, is the milk and the second entity, 2, is the coffee. We are given that the specific heats of both substances are just equal so we can eliminate them from the equation. Substituting the known values,

   (10 g)(T - 10°) = (1.60 x 10^2 g)(90° - T)

The value of T from the equation is 85.29°C.

Answer: 85.29°C
4 0
3 years ago
When measuring water using the graduated pipette, the mass of beaker and the water is 23.670 g. If the empty beaker weighs 13.71
Arturiano [62]

Answer:

The volume of water measured is 10mL

Explanation:

Given;

Mass of mass of beaker and the water = 23.670 g

Mass of empty beaker = 13.712 g

Then, mass of water only = Total mass of of beaker and the water minus Mass of empty beaker

mass of water only = 23.670 g - 13.712 g = 9.958 g

Density = mass/volume

Given density of water = 0.9982071 g/mL

Density of water = Mass of water/ Volume of water

Then, Volume of water =  Mass of water/Density of water

Volume of water = 9.958 g/0.9982071 g/mL

Volume of water = 9.975886 mL ≅ 10mL

Therefore, The volume of water measured is 10mL

6 0
4 years ago
Meg goes swimming on a hot afternoon. When she comes out of the pool, her foot senses that the pavement is unbearably hot. Suppo
MA_775_DIABLO [31]
She needs to do more observations to find out what makes her foot burn before she analyzes the data or does anything else, so she should make observations next.
4 0
3 years ago
Read 2 more answers
Determine the molarity and mole fraction of a 1.09 m solution of acetone (CH3COCH3) dissolved in ethanol (C2H5OH). (Density of a
Juli2301 [7.4K]

Answer:

Molarity = 0.809 M

mole fraction = 0.047

Explanation:

The complete question is

Calculate the molarity and mole fraction of acetone in a 1.09-molal solution of acetone (CH3COCH3) in ethanol (C2H5OH). (Density of acetone = 0.788 g/cm3; density of ethanol = 0.789 g/cm3.) Assume that the volumes of acetone and ethanol add.

Solution -

Solution for molarity:

1.09-molal means 1.09 moles of acetone in 1.00 kilogram of ethanol.

1)  

Mass of 1.09 mole of acetone

= 1.09  mol x 58.0794 g/mol = 63.306 g

Density of acetone = 0.788 g/cm3  

Thus, volume of 1.09 moles of acetone = 63.306 g/0.788 g/cm3 = 80.34 cm3

For ethanol

1000 g divided by 0.789 g/cm3 = 1267.427 cm3

Total volume of the solution = Volume of acetone + Volume of ethanol = 80.34 cm3 + 1267.427 cm3 = 1347.765 cm3  = 1.347 L

a) Molarity:

1.09 mol / 1.347 L = 0.809 M

Mole Fraction  

a) moles of ethanol:

1000 g / 46.0684 g/mol = 21.71 mol

b) moles of acetone:

1.09 / (1.09 + 21.71) = 0.047

3 0
3 years ago
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