Question

36. Which of the following will have the same number of molecules at S.T.P? a. 280 cm of CO2 and 280 cm of N20 b. 11.2 cm of O2 and 32 g of CO c. 44 g of CO2 and 11.2 cm of CO g d. 28 g of N2 and 5.6 cm' of oxygen ​

Answer 1

Answer:

Moles of N

2

=

28

280

=10moles

Assume, moles of CO

2

=x.

So, average molecular mass of mixture =

10+x

10×28+x×44

=36 (given)

So, x=10 moles

Therefore, weight of CO

2

=10×44=440

Answer 2

Answer:

The Correct Answer would be a. 280 cm of CO₂ and 280 cm of N₂0. 280 cm of CO₂ and 280 cm of N₂0 have same number of molecules at STP.

Explanation:

Molecule is a set of two or extra atoms that form the smallest identifiable unit into which a pure substance may be divided and nevertheless retain the composition and chemical residences of that substance.

The division of a pattern of a substance into step by step smaller components produces no alternate in both its composition or its chemical properties till components along with single molecules are reached. Further subdivision of the substance results in nevertheless smaller components that generally vary from the original substance in composition and continually vary from it in chemical properties. In this latter stage of fragmentation, the chemical bonds that preserve the atoms collectively withinside the molecule are broken.

To know about a glucose molecule : https://brainly.in/question/6401564

To know about atomic number : https://brainly.in/question/46808380