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3 years ago

BRAINLIEST IF CORRECT

Chemistry

2 answers:

coldgirl [10]3 years ago

5 0

Answer:

When you have many birds for one and they eat these berries (All Berries have seeds) then you have these birds dropping their feces all over the country and others Then that spreads these plants and berries to new places.

Explanation:

This is also known as Seed Dispersal.

Please mark as Brainliest

Hope this helped

skad [1K]3 years ago

4 0

Since it produces a very powerful scent that attracts pollinating animals the animals then come and eat the berries and also drink nectar from the flowers and then go and spread the seeds everywhere

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How do chemists express the rates of chemical reactions

Inessa [10]

Answer:

They expressed it as rate of change in concentration of reactants or products in a chemical reaction

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4 years ago

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EastWind [94]

Explanation:

Mass of compounds = Moles of compound × Molecular mass of compound

a) Moles of LiCl = 2.345 mol

Molecular mass of LiCl = 42.5 g/mol

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b) Moles of acetylene = 0.0872 mol

Molecular mass of acetylene= 26 g/mol

Mass of 0.0872 moles acetylene= 0.0872 mol × 26 g/mol = 2.2672 g

c) Moles of sodium carbonate= $3.3\times 10^{-2}mol$

Molecular mass of sodium carbonate= 106 g/mol

Mass of $3.3\times 10^{-2}mol$ sodium carbonate

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d) Moles of fructose = $1.23\times 10^3 mol$

Molecular mass fructose= 180 g/mol

Mass of $1.23\times 10^3 mol$ fructose

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e) Moles of $FeSO_4(H_2O)_7=0.5758 mol$

Molecular mass of $FeSO_4(H_2O)_7 =278 g/mol$

Mass of $1.23\times 10^3 mol$ fructose

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3 years ago

What does pH measure? the concentration of oxygen atoms in solution the total number of acid molecules in solution the total num

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<span>pH is a measure of how acidic/basic water is.</span>

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4 years ago

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Answer:

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Explanation:

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3 years ago

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A balloon is filled to a volume of 18.9L at a temperature of 27.1ºC. If the pressure in the balloon is measured to be 2.20 atm,

IrinaK [193]

Answer:

We have 1.69 moles of gas inside the balloon

Explanation:

Step 1: Data given

Volume of the balloon = 18.9 L

Temperature = 27.1 °C = 300.25 K

Pressure in the balloon = 2.20 atm

Step 2: Calculate the number of moles

p*V = n*R*T

n= (p*V)/(R*T)

⇒with n = the number of moles of gas

⇒with p = the pressure of gas = 2.20 atm

⇒with V = the volume of the gas = 18.9 L

⇒with R = the gas constant = 0.08206 L*atm/mol*K

⇒with T = the temperature = 27.1 °C = 300.25 K

n = (2.20 * 18.9) / ( 0.08206*300.25)

n = 1.69moles

We have 1.69 moles of gas inside the balloon

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3 years ago