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3 years ago

8

Mammals use their lungs to provide oxygen for themselves from the air. Fish spend a majority of their time in the water, and ins

tead, developed gills. What is the function of gills? *
Answer please

2 answers:

Juliette [100K]3 years ago

8 0

C. They use gills to separate the oxygen from water to breathe

damaskus [11]3 years ago

3 0

Answer:

Respiration.

Explanation:

Gills help the fish in carrying out their respiration

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_2. The temperature of a 100. mL sample of gas is increased while the volume it occupies decreases. The

yaroslaw [1]

Answer

the answer is b bro

Explanation:

i did my research and got it right

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3 years ago

What’s the reaction type of aqueous magnesium sulfate + aqueous sodium carbonate?

IrinaK [193]

Answer: Double displacement reaction

Explanation:

Double displacement reaction is defined as the reaction where exchange of ions takes place.

The salts which are soluble in water are designated by symbol (aq) and those which are insoluble in water and remain in solid form are represented by (s) after their chemical formulas.

The chemical reaction between aqueous magnesium sulfate and aqueous sodium carbonate is represented as:

$MgSO_4(aq)+Na_2CO_3(aq)\rightarrow Na_2SO_4(aq)+MgCO_3(s)$

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3 years ago

If the mass of 3 black beans it's 0.7 what's the mass of one bean?

mamaluj [8]

Answer:0.233333333

Explanation: Let me be!

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3 years ago

Read 2 more answers

A chemical engineer is developing a process for producing a new chemical. One step in the process involves allowing a solution o

g100num [7]

Answer:

using a more concentrated potassium hydroxide

Explanation:

<em>The option that would likely increase the rate of reaction would be to use a more concentrated potassium hydroxide.</em>

<u>The concentration of reactants is one of the factors that affect the rate of reaction. The more the concentration of the reactants, the faster the rate of reaction. </u>

Granted that there are enough of the other reactants, increasing the concentration of one of the reactants will lead to an increased rate of reaction.

Hence, using a more concentrated potassium hydroxide which happens to be one of the reactants would likely increase the rate of reaction.

4 0

4 years ago

A 4.27 g sample of a lab solution contains 1.81g of acid. What is the concentration of the solution as a mass percentage?

vaieri [72.5K]

Answer:

42.38875878%

Explanation:

i divided 4.27 g from 1.81g using a percentage calculator but im not sure if its correct

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2 years ago