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4 years ago

Which term names the main class of the chemical that makes up bread?

2 answers:

5 0

Answer is: carbohydrates.
Main component of bread is flour and main component of flout is starch.
Starch is a polymeric carbohydrate consisting of a large number of glucose units bonded by glycosidic bond. Starch is a white, tasteless and odorless powder that is insoluble in cold water or alcohol.

artcher [175]4 years ago

3 0

Answer:

carbohydrate

Explanation:

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What is an investigation which all conditions are controlled

marshall27 [118]

It is a controlled experiment

4 0

3 years ago

A sample of He gas (3.0 L) at 5.6 atm and 25°C was combined with 4.5 L of Ne gas at 3.6 atm and 25°C at constant temperature in

In-s [12.5K]

Answer:

3.6667

Explanation:

For helium gas:

Using Boyle's law

${P_1}\times {V_1}={P_2}\times {V_2}$

Given ,

V₁ = 3.0 L

V₂ = 9.0 L

P₁ = 5.6 atm

P₂ = ?

Using above equation as:

${P_1}\times {V_1}={P_2}\times {V_2}$

${5.6}\times {3.0}={P_2}\times {9.0} atm$

${P_2}=\frac {{5.6}\times {3.0}}{9.0} atm$

${P_1}=1.8667\ atm$

The pressure exerted by the helium gas in 9.0 L flask is 1.8667 atm

For Neon gas:

Using Boyle's law

${P_1}\times {V_1}={P_2}\times {V_2}$

Given ,

V₁ = 4.5 L

V₂ = 9.0 L

P₁ = 3.6 atm

P₂ = ?

Using above equation as:

${P_1}\times {V_1}={P_2}\times {V_2}$

${3.6}\times {4.5}={P_2}\times {9.0} atm$

${P_2}=\frac {{3.6}\times {4.5}}{9.0} atm$

${P_1}=1.8\ atm$

The pressure exerted by the neon gas in 9.0 L flask is 1.8 atm

Thus total pressure = 1.8667 + 1.8 atm = 3.6667 atm.

6 0

3 years ago

What is a closed system?

ddd [48]

I believe the correct answer is D

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What type(s) of intermolecular forces are expected between ch3ch2ch2ch2ch2ch2oh molecules?

EleoNora [17]

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1. Hydrogen Bonding- The type of bonding that exist between O-H in the compound.
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3. London Dispersion- Created between C-H bonding.

3 0

3 years ago

Part C How did Dr. Tierno find the answer to his question?

matrenka [14]

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3 years ago

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