Question

Plz answer this question

Answer 1

Answer:

Correct option is

D

72.0g

The molar masses of propane and water are 44 g/mol and 18 g/mol respectively.

44.0 grams of propane corresponds to 1 mole of propane.

According to the balance chemical equation, C

3

H

8

(g)+5O

2

(g)→3CO

2

(g)+4H

2

O(l),

1 mole of propane gives 4 moles of water.

Thus, the combustion of 44.0 g (1 mole) of propane will give 4 moles of water.

I can't understand your question.

Answer 2

Step-by-step explanation:

Precautionary is used to describe actions taken in advance to prevent something negative from happening or to lessen the impact of the negative thing if it does happen. Such actions are called precautions. ... Example: Officials said they have taken several precautionary measures to secure the city in advance of the storm.