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Damm [24]
3 years ago
12

10 examples of consumers

Chemistry
2 answers:
ivann1987 [24]3 years ago
5 0
Squirrel, lion, turtle , crab, jelly fish, dolphin, fish, cow, rooster, human
Airida [17]3 years ago
3 0
A consumer is someone who takes good's for their benefit.
10 common examples are:
-grasshoppers
-snakes
-cheetahs
-giraffes
-lions
-wolves
-mice
-hawks
-goats
-humans
Hope this helps!:)
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What is the volume, in liters, of 1.40 mol of oxygen gas at 20.0°C and 0.974 atm?
topjm [15]

Answer:

V = 34.55 L

Explanation:

Given that,

No of moles, n = 1.4

Temperature, T = 20°C = 20 + 273 = 293 K

Pressure, P = 0.974 atm

We need to find the volume of the gas. It can be calculated using Ideal gas equation which is :

PV=nRT

R is gas constant, R=0.08206\ L-atm/mol-K

Finding for V,

V=\dfrac{nRT}{P}\\\\V=\dfrac{1.4\times 0.08206\times 293}{0.974 }\\\\V=34.55\ L

So, the volume of the gas is 34.55 L.

4 0
3 years ago
24. What volume of a 0.0200M calcium hydroxide is required to neutralize 35.00 mL of 0.0500M nitric acid
Natalka [10]

Answer:

THE VOLUME OF 0.200M CALCIUM HYDROXIDE NEEDED TO NEUTRALIZE 35 mL of 0.050 M NITRIC ACID IS 43.75 mL.

Explanation:

Using

Ca VA / Cb Vb = Na / Nb

Ca = 0.0500 M

Va = 35 mL

Cb = 0.0200 M

Vb = unknown

Na = 2

Nb = 1

Equation for the reaction:

Ca(OH)2 + 2HNO3 --------> Ca(NO3)2 + 2H2O

So therefore, we make Vb the subject of the equation and solve for it

Vb = Ca Va Nb / Cb Na

Vb = 0.0500 * 35 * 1 / 0.0200 * 2

Vb = 1.75 / 0.04

Vb = 43.75 mL

The volume of 0.02M calcium hydroxide required to neutralize 35 mL of 0.05 M nitric acid is 43.75 mL

6 0
3 years ago
An egg is placed in a graduated cylinder to determine its volume. The following data are obtained. What is the volume of the egg
Natalka [10]

If egg is dipped in cylinder then the volume of egg will be difference in the volumes before dipping egg (initial volume) and volume after dipping egg (final volume)

Volume of egg= 58.5-50.0 = 8.5 mL

7 0
3 years ago
What experiments did Lavoisier do?
VikaD [51]
He did experiments with combustion and gas's
8 0
3 years ago
Which probing question lies within the scope of physics?
masha68 [24]

Answer:

answer number C is the correct answer for this

7 0
2 years ago
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