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alex41 [277]
3 years ago
12

3. Explain what would happen to the digestion process if enzymes were not present. SC.6.L.14.5​

Chemistry
1 answer:
Lesechka [4]3 years ago
3 0
Without enzymes the nutrients in your food would go to waste which leads to a poor digestion and malnutrition. It’s because enzymes break down the nutrients which use it for energy
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A pan containing hot water is left on the counter and becomes cool mainly due to
katen-ka-za [31]
Its B cold air penetrating the hot water hope it helps
7 0
3 years ago
Which statement best describes the effect of low ionization energies and low electronegativities on metallic bonding?
kramer
The statement that best describes the effect of low ionization energies and low electronegativities on metallic bonding is the first one - the valence electrons are easily delocalized. 
Due to these low energies and negativities, valence electrons can be moved around quite easily and their positions may be altered quite drastically. 
6 0
3 years ago
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What is the most poisonous animal?
astraxan [27]

Answer:

That depends on what species it is

Explanation:

Like reptiles it is rattlesnakes

Spiders would be black widow

So it depends on the what species you what.

5 0
3 years ago
Which of the following best describes a single-replacement reaction?
blondinia [14]

Answer

B. One element takes the place of another in a compound

Explanation

A single-replacement reaction occurs when one element is substituted for another element in a compound.The  reacting materials are normally pure elements such as a metal or hydrogen gas with an aqueous compound.A new aqueous compound plus a different pure element are formed as products.

6 0
3 years ago
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How much heat (kJ) is absorbed by 229.1 g of water in order for the temperature to increase from 25.00∘C to 32.50∘C?
hammer [34]

Answer:

(Q1) 9.42 kJ.

(Q2) 1.999 kJ

Explanation:

Heat: This is a form of Energy that brings about the sensation of warmth.

The S.I unit of Heat is Joules (J).

The heat of a body depend on the mass of the body, specific heat capacity, and temperature difference. as shown below

Q = cm(t₂-t₁) ........................ Equation 1

(Q1)

Q = cm(t₂-t₁)

Where Q = amount of heat absorbed, c = specific heat capacity of water, m = mass of water, t₁ = initial temperature, t₂ = final temperature.

Given: m = 229.1 g = 0.2991 kg, t₁ = 25.0 °C, 32.50 °C

Constant: c = 4200 J/kg.°C

Substituting into equation 1

Q = 0.2991×4200(32.5-25)

Q = 1256.22(7.5)

Q = 9421.65 J

Q = 9.42 kJ.

Hence the heat absorbed = 9.42 kJ

(Q2)

Q = cm(t₂-t₁)

Where Q = amount of heat required, c = specific heat capacity of water, m = mass of water, t₁ = initial temperature, t₂ = final temperature.

Given: m = 34 g = 0.034 kg, t₁ = 9 °C, t₂ = 23 °C

Constant: c = 4200 J/kg.°C

Q = 0.034×4200(23-9)

Q = 142.8(14)

Q = 1999.2 J

Q = 1.999 kJ.

Thus the Heat required = 1.999 kJ

4 0
3 years ago
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