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Elden [556K]
3 years ago
13

What are the defining characteristics of matter

Chemistry
2 answers:
erma4kov [3.2K]3 years ago
8 0
All physical matter has a weight, volume, mass, and density. Physical matter has specific characteristics only in certain physical states. 
Oksi-84 [34.3K]3 years ago
7 0

Explanation:

Matter is defined as the substance that has mass and occupies space. So basically a physical property of a substance helps us to determine whether a substance is matter or not.

As a property that does not bring any change in chemical composition of a substance are known as physical properties.

For example, shape, size, mass, volume, density, etc of a substance are all physical properties.

Thus, we can conclude that the defining characteristics of matter are physical properties.

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A CaCl2 solution is given to increase blood levels of calcium. If a patient receives 6.1 mL of a 12 % (m/v) CaCl2 solution, how
Yuliya22 [10]

Mass of CaCl₂ = 0.732 g

<h3>Further explanation</h3>

The concentration of a substance can be expressed in several quantities such as moles, percent (%) weight / volume,), molarity, molality, parts per million (ppm) or mole fraction. The concentration shows the amount of solute in a unit of the amount of solvent.

\tt \%(m/v)\rightarrow 12\%=\dfrac{mass~CaCl_2}{volume~of~solution}\times 100\%\\\\mass~CaCl_2=12\%\times 6.1\div 100\%\\\\mass~CaCl_2=0.732~g

5 0
3 years ago
What is the percent yield for the reaction of nitrogen and hydrogen to produce ammonia, if the theoretical yield was 12.5 g but
koban [17]

Answer:

81.6%

Explanation:

10.2/12.5= 0.816

0.816=81.6%

4 0
2 years ago
Cellular respiration uses glucose and oxygen, which have high levels of free energy, and releases carbon dioxide and water, whic
Alja [10]

Answer: Cellular respiration is spontaneous and exergonic. The energy released from the glucose is stored in ATP molelcules.

Explanation:

Spontaneous reactions have an increase in entropy (level of disorder) and a decrease in enthalpy (total energy). Cellular respiration goes from a more ordered state (one molecule of glucose) to a more disordered state (several molecules of CO2), and goes from a state with a lot of free energy to one with much less free energy. As a result, respiration is a spontaneous process.

As free energy from the glucose is released as ATP molecules during oxidation, the reaction is exergonic.

4 0
2 years ago
Read 2 more answers
How many hydrogen atoms do you have four molecules of glucoes
Gnoma [55]

Molecules of glucose (blood sugar) contain 6 carbon atoms, 12 hydrogen atoms, and 6 oxygen atoms.

Hope this helped :)

8 0
2 years ago
What type of salt would you get in a reaction between an oxide and hydrochloric acid?
grandymaker [24]

Answer:

C. chloride i hopeit's right..

3 0
2 years ago
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