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marta [7]
3 years ago
15

Image "B" shows more biodiversity than image "A". Why?

Chemistry
1 answer:
Ilya [14]3 years ago
8 0

Answer:

The answer is A

Explanation:

Image A has the same species while image B has more species than A.

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What is the pressure in a 5.00 L tank with<br> 7.10 moles of oxygen at 39.3 °C?
Katena32 [7]

Answer:

36.4 atm

Explanation:

To find the pressure, you need to use the Ideal Gas Law. The equation looks like this:

PV = nRT

In this equation,

-----> P = pressure (atm)

-----> V = volume (L)

-----> n = moles

-----> R = constant (0.0821 L*atm/mol*K)

-----> T = temperature (K)

Before you can plug the given values into the equation, you first need to convert Celsius to Kelvin.

P = ? atm                         R = 0.0821 L*atm/mol*K

V = 5.00 L                       T = 393 °C + 273.15 = 312.45 K

n = 7.10 moles

PV = nRT

P(5.00 L) = (7.10 moles)(0.0821 L*atm/mol*K)(312.45 K)

P(5.00 L) = 182.130

P = 36.4 atm

8 0
2 years ago
Liquids and solids are referred to as "condensed phases" because the attractive forces cause molecules to become stationary. lea
Savatey [412]

Answer:

leave little space between the molecules.

Explanation:

Matter is made up of small particles called molecules. These molecules present in matter are arranged inside its bulk.

In liquids and solids, the molecules are arranged very close together in such a way that there is only a little space between them. This is why liquids and solids are referred to as "condensed phases".

They are quite unlike gases where there is a lot of space between gas molecules.

7 0
2 years ago
Read 2 more answers
Molarity is measured in
aniked [119]
Answer D moles per L
5 0
2 years ago
How much heat is required to change the temperature of two cups of water (500 g) from room temperature (25◦C) to boiling? Specif
NNADVOKAT [17]

Answer:

c. 157 KJ

Explanation:

Q= mC dT    dT= 100°C(boiling point) - 25°C=75°C

Q= (500 g * 4.184 J/g °C * 75 °C)

Q= 156900 J= 157 KJ

6 0
3 years ago
Webb has calculated the percent composition of a compound. How can he check his result?
goldenfox [79]

by making sure they are in the lowest ratio. by adding them to see if they total 100. by checking that they are whole-number multiples. by dividing them by the molar mass.

7 0
3 years ago
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