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bixtya [17]
3 years ago
5

True or False. Ecosystems are always very large and cover a large amount of land.

Chemistry
1 answer:
Rainbow [258]3 years ago
3 0

False is the answer

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If you sprayed an air freshener, where would the highest concentration of air freshener be found?
Hunter-Best [27]

FLOOR. Most of the molecules that dont sick to something fall on the floor so most would be on the FLOOR.

7 0
3 years ago
The density of no2 in a 4.50 l tank at 760.0 torr and 25.0 °c is ________ g/l.
kap26 [50]
From  ideal  gas  equation   that   is   PV=nRT
n(number of  moles)=PV/RT
P=760 torr
V=4.50L
R(gas  constant =62.363667torr/l/mol
T=273 +273=298k
n  is   therefore   (760torr x4.50L) /62.36367 torr/L/mol  x298k  =0.184moles
the  molar  mass  of  NO2 is  46  therefore  density=  0.184  x  46=8.464g/l
7 0
3 years ago
Read 2 more answers
Question 7 (1 point)
Anastasy [175]

Answer:

2.28bar

Explanation: Boyle's law P1V1=P2V2 manipulate formula in favor of V2 the new formula should beP1V1/V2

0.895*318/125=2.2768 but to same sigfig it is 2.28

5 0
3 years ago
How many orbitals in third shell are axial a) 9 b)6 c)5 d)37
leonid [27]

Answer:

there are 9 orbitals in third shell of a atom

formula to calculate is n²

where n - no of shell

orbitals on axial are 6

7 0
3 years ago
Read 2 more answers
Earth would fly off into space in a straight line if the ______________________________
ser-zykov [4K]

Answer: Gravity.

Explanation:

Earth and other objects would have fly off into space in a straight line if there would have been no gravity in between objects.

The gravity can be defined as the force between two objects in space which keeps two objects together in the space.

It is also responsible for holding the objects in space, making them move on their orbits, not allowing the heavenly bodies to crash.

So, there would be no gravity the objects will fall off in a straight line and none of the objects would be at its specified position.

3 0
3 years ago
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