1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Elena-2011 [213]
3 years ago
8

Every pure substance has exact and specific density. What are two purposes that a chemist would use a calculated density for.

Chemistry
1 answer:
adell [148]3 years ago
7 0

Answer:

1. Density can be used to identify a substance

2. Density can be used to ascertain whether a substance will float in water.

Explanation:

The calculation of the density of a substance can be used to identify the substance. If the density of a substance is calculated accurately, and compared with a table of standard densities, then we can identify that substance.

Also, density determines whether an object will float or sink in water. If an object is less dense than water then it will float in water. If it is denser than water, then it will sink in water.

You might be interested in
Windblown________ can wear away rock
Bezzdna [24]
Windblown sand can wear away rock
8 0
3 years ago
Read 2 more answers
A Pitot-static probe is used to measure the speed of an aircraft flying at 3000 m. If the differential pressure reading is 3100
inessss [21]

Answer:

82.59 m/s or 297.324 km/h

Explanation:

From the question,

Applying

V = √[2(P'/ρ)].................. Equation 1 ( From

Where V = Speed of the aircraft, Differential Pressure of the air craft, ρ = Density of air at an altitude of 3000 m.

Given: P' = 3100 N/m², ρ = 0.909 kg/m³

Substitute into equation 1

V = √[2(3100/0.909)]

V = √(2×3410.34)

V = √(6820.68)

V = 82.59 m/s

V = 297.324 km/h

Hence the speed of the aircraft is  82.59 m/s or 297.324 km/h

3 0
3 years ago
Another word for "basic" is?
natita [175]

Answer: Fundamental, Key, vital, crucial

Explanation:

5 0
3 years ago
Read 2 more answers
What chemical bond does dinitrogen pentachloride have
nirvana33 [79]
Dinitrogen pentachloride has covalent bonds
3 0
3 years ago
An ion of iron has an 26 protons, 30 neutrons, and 23 electrons. What are its atomic number, atomic mass, and net charge?
sleet_krkn [62]

Answer:

Atomic number 26,atomic mass 26+30=56 dalton and net charge is 3+

Explanation:

The total number of proton present in an atom is known as the atomic number of that atom.From that point of view the atomic number of iron ion is 26.

  The total number proton and neutrons present in the nucleus of an atom or ion is termed as atomic mass.From that point of view the the atomic mass of iron ion is 26+30=56 dalton

 According to the given question iron ion contain 3 more protons than electrons as a result the iron ion will contain 3 unit positive charge.

5 0
3 years ago
Other questions:
  • "which of these nitrogen compounds is in the most reduced state?"
    9·1 answer
  • Do metals donate or accept electrons? what do they become after they donate/accept electrons?
    9·1 answer
  • A mechanical wave moves through a medium, which can be (
    15·2 answers
  • CJ = 82 + 5,<br> CT = 55, and<br> JT = 40 +2,<br> Find JᎢ .<br> The answer is JT:18
    6·1 answer
  • Which of the dollowing isotopes have 8 neutrons in the nucleus?<br> 0-15<br> 0-17<br> C13<br> O C14
    12·2 answers
  • The attraction of liquid particles for a solid surface is due to ____.
    6·1 answer
  • 2.5kg weighing cat climbing at the top of the tree has a potential energy of 986 J. Find the height.
    13·1 answer
  • What is the driving force between chemical reactions between elements
    13·1 answer
  • What is the formula for the carboxylic acid functional group?
    11·1 answer
  • the chemical bonds that form when atoms that have lost electrons are electrically attracted to atoms that have gained electrons
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!