A=πr2
A=3.14 x 6 x 6
answer=113.04
Answer:
Mass = no. of molecules / 6.023 * 10^ 23 * Molar mass
Step-by-step explanation:
Molar mass of CO2 = 44g/mol
1.5
⋅
10
25
6.023
⋅
10
23
= 51.5 moles of CO2
51.5
⋅
44g/mol
=
2266 grams
Hope this helped
Answer:
who knows such types of answer
Answer:
set width as a, so length is 2a-4
a(2a-4)=70
2a^2 - 4a = 70
a^2 - 2a = 35
a^2 - 2a + 1 = 36
(a-1)^2 = 36 Because width can not be negative so we only take possitive answer.
(a-1) = 6
a = 7
2(7) - 4
=14-4
=10
Length = 10
Width = 7
