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
BARSIC [14]
2 years ago
13

Which statement is about population density

Chemistry
1 answer:
Montano1993 [528]2 years ago
5 0

Explanation:

Population density is defined as the number of people present per square kilometre. Population density of India according to 2011 census is 382 persons per square kilometres.

You might be interested in
What does reaction b tell you about the type of molecule h2co3 is?
irinina [24]
H2o means water and co3 is co-signs
6 0
3 years ago
Can you help me on this?
vagabundo [1.1K]

.......,ok first,WHAT THE WORLD THIS THAT!? And this may be how bread formed

4 0
3 years ago
iron will react with oxygen to produce Fe2O3. how many grams of Fe2O3 will he produced if 0.18 mil of Fe reacts?
nasty-shy [4]

Answer:

14.4g

Explanation:

First, we need to write a balanced equation for the reaction between Fe and O2 to produce Fe2O3. This is illustrated below:

4Fe + 3O2 —> 2Fe2O3

From the balanced equation,

4moles of Fe produced 2moles of Fe2O3.

Therefore, 0.18mol of Fe will produce = (0.18x2) /4 = 0.09mol of Fe2O3.

Now we need to find the mass present in 0.09mol of Fe2O3. This can be achieved by doing the following:

Molar Mass of Fe2O3 = (56x2) + (16x3) = 112 + 48 = 160g/mol

Number of mole of Fe2O3 = 0.09mol

Number of mole = Mass /Molar Mass

Mass = number of mole x molar Mass

Mass of Fe2O3 = 0.09 x 160 = 14.4g

6 0
3 years ago
What is the main difference between a homogeneous mixture and a heterogeneous mixture?
Sholpan [36]
The answer is <span>The components of a homogeneous mixture are evenly distributed.

In a homogeneous mixture, all components are evenly distributed. They are known as solutions. In a heterogeneous mixture, components are not evenly distributed. It consists of visibly different components. For example, milk is the homogeneous mixture, you cannot see its particles. But milk and cereals are the heterogeneous mixtures.</span>
7 0
3 years ago
What is 25 °C in °F?
kifflom [539]

Answer:

77°F

Explanation:

(25°C × 9/5) + 32 = 77°F

7 0
3 years ago
Other questions:
  • I neeeeeeeeeeeddddddddd help!!!
    10·2 answers
  • Which statement gives a reason why scientist think that the universe began with an explosion
    10·1 answer
  • 50 points! The isotope shown has a mass of 14.003241 amu. Calculate how much energy is released from the binding of 2.530x10 mol
    12·2 answers
  • A pain-relieving pill has a mass of 0.005 g. Express the pill’s mass in grams using scientific notation or in milligrams.
    11·1 answer
  • FIRST GETS BRAINLIEST (THE ONE THAT IS CORRECT)
    5·1 answer
  • Sue is building a bike with a metal frame in a warm, sunny area. Which material would be best for Sue to use for the grips on th
    12·2 answers
  • Which chemical can remove color of red/Pink phenol and make it clear like water transparent?
    12·2 answers
  • I am soo happy merry Christmas in advance paro​
    6·2 answers
  • What is the difference between a rock and a mineral ? Plz only (1-2 sentence) thx sm!
    6·1 answer
  • In Fig C, which pair of electrons is the lone pair?
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!