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
Mkey [24]
3 years ago
15

1.4g of calcium oxide obtained by heating limestone was found to contain 0.4g of oxygen.another sample of 3.5g of calcium oxide

obtained by direct combination of calcium and oxygen was found to contain 2.5g of calcium.show that data are in accordance with the law of definite proportion​
Chemistry
1 answer:
Leya [2.2K]3 years ago
6 0

Answer:

Solution

1.4 gm of CaO⟶n0.4 gm of Oxygen

1.0 gm of O2⟶3.5 gm of Ca

According to the law of definite proportions

n/m=y/x

⇒1.4/0.4=3.5.

⇒3.5=3.5

Explanation:

You might be interested in
Which horizon has the least weathered rocks? How do you know?
ollegr [7]

Answer:

C: The C horizon is a subsurface horizon. It is the least weathered horizon. Also known as the saprolite, it is unconsolidated, loose parent material. The master horizons may be followed by a subscript to make further distinctions between differences within one master horizon.

Explanation:

4 0
3 years ago
What element is chemically combined with hydrogen
Fudgin [204]

Uh I think water is??

5 0
3 years ago
How many moles are contained in a 4.67-l sample of gas at 30°c and 199 kpa?
ohaa [14]
Pv=nRT
where,p=199, R(constant)=8.314, V=4.67 T=30C=293K
n=pv/RT=0.38 moles
4 0
3 years ago
Read 2 more answers
To save on heating bills, do you think the roof of a building should be lined with
bekas [8.4K]
A thermal insulator because it would keep the heat in
4 0
3 years ago
Read 2 more answers
Is the number of electrons in different shells of an atom fixed or unlimited ? Explain by giving an example.​
Pepsi [2]

Answer:

the number of electrons in a particular shell is given by the formula 2n^2 . However an electron when gets very exicited loose energy in the forms of radiation and comes in high energy level shell.

8 0
3 years ago
Other questions:
  • How many sig figs are in 0.0003422
    6·1 answer
  • A hiker enters an area where lichens, mosses, and fungi are growing. Which statement best describes this ecosystem? A It is popu
    5·2 answers
  • Calcium and bromine have formed a bond. Leading up to this, calcium gave up electrons. It was a(n) ____.
    5·1 answer
  • Bromine + calcium iodide  calcium bromide + iodine
    11·2 answers
  • Rank the following elements according to their metallic character. Most to lease. C PB SI Ge
    6·1 answer
  • The prefix himbo-means heap : true false
    6·1 answer
  • If 40.5 J of heat is added to a 15.4 g sample of silver, what will the change in temperature be? (Specific heat of silver is 0.2
    13·1 answer
  • Which of these is most likely to create large areas of land subsidence?
    6·1 answer
  • HEEEEeEELP PLEasE! IS SCIENCE
    10·1 answer
  • What is the number of protons plus the number of neutrons in the nucleus of an atom equivalent to?
    9·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!