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nordsb [41]
2 years ago
7

5 of 10

Chemistry
2 answers:
Roman55 [17]2 years ago
6 0

Answer:

Peer review is a quality control measure for medical research. It

is a process in which professionals review each other's work to

make sure that it is accurate, relevant, and significant. Scientific

researchers aim to improve medical knowledge and find better

ways to treat disease.

if I am right mark the answer as brainliest

Usimov [2.4K]2 years ago
4 0
This answer is called poggy
Kekwk kekwfasd
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Calculate RMM given Aluminium sulphate given RAM: A1-27; S-32; 0-16
kodGreya [7K]

Answer:

IMISS THE RAGE⁉️⁉️⁉️⁉️⁉️⁉️IMISS THE RAGE⁉️⁉️⁉️⁉️⁉️⁉️IMISS THE RAGE⁉️⁉️⁉️⁉️⁉️⁉️

3 0
3 years ago
How mant grams are there in 7.15 x 10^24 molecules of water?
worty [1.4K]

Answer:

B. 214.02

Explanation:

1 mol of water weighs 18.015 gm and contains 6.023 × 10²³ molecules

From question, We have 7.15 × 10²⁴ molecules

Dividing we get (7.15 × 10 ²⁴) ÷ ( 6.023 × 10²³) = 11.871 molecules

Now, Weight of water = 11.871 × 18.015 = 213.85 which is nearer to option B

4 0
3 years ago
Read 2 more answers
Which of the following abilities is NOT a physical property of matter?
Morgarella [4.7K]

Answer:

Ability to react chemically with other substances is not a physical property.

Explanation:

The ability to dissolve in other substance can be both physical and chemical property.

It depend upon the type of solute, solvent and reaction between them.

For example, if NaCl is dissolved in water it gives sodium and chloride ions which are behaving different from the original compound. it will be chemical change but if water is evaporated it will give back sodium chloride and than it will be a physical change.

But if dissolved substances make the mixture not compound it will than a physical change, and solubility will consider a physical property.

Physical properties:

The properties which are not associated with change in chemical composition are called physical properties.                                                                                          

Example

Density, color, hardness, conductance, melting point, boiling points all  are physical properties.

Chemical properties:

The properties which are associated with change in chemical composition are called chemical properties.        

Example:

Toxicity, flammability, heat of combustion etc.

Combustion of fuel or wood: that oil or wood convert into energy, CO2 and ash in case of wood

The reaction of Hydrogen and oxygen:

H 2 (g)  + O 2  (g) -------------------------------------> 2H 2O  (l)

8 0
3 years ago
Consider the phase change lab what is required to bring about a phase change
alina1380 [7]

Heating or cooling :)

3 0
3 years ago
Read 2 more answers
How does knowing the meaning of prefix-trans help you remember what happens to light that strikes a translucent object ?
katovenus [111]

Explanation:

The prefix trans- and its variant tra- mean "across".

A translucent substance allows some light to go "across" it to the other side. Also, think about a transparent substance: it allows light to go "across" it; or a translation, it is a going "across" from one language into another.

6 0
3 years ago
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