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grigory [225]
3 years ago
11

True or false? Enzymes in the digestive tract catalyze hydrolysis reactions.

Chemistry
2 answers:
Eva8 [605]3 years ago
8 0

Answer: true

Explanation:

Slav-nsk [51]3 years ago
5 0

Answer:

The given statement is true.

Enzymes which are present in the digestive tract such as salivary amylase, pepsin, trypsin, et cetera mainly catalyze the hydrolysis reaction.

The hydrolysis reaction is the reaction by which large molecules are broken down into smaller molecules with the help of water.

Most of the complex molecules or nutrients such as starch, protein et cetera are broken down into their respective smaller units with the help of hydrolysis reaction.

For example, lactase catalyzes the hydrolysis of lactose into glucose and galactose.

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Calculate the de Broglie wavelength of a body of mass 1 kg moving with a velocity of
skelet666 [1.2K]

Answer:

4.42 × 10⁻³⁷ m

Explanation:

Step 1: Given and required data

  • Mass of the body (m): 1 kg
  • Velocity of the body (v): 1500 m/s
  • Planck's constant (h): 6.63 × 10⁻³⁴ J.s

Step 2: Calculate the de Broglie wavelenght (λ) of the body

We will use de Broglie's equation.

λ = h / m × v

λ = (6.63 × 10⁻³⁴ J.s) / 1 kg × (1500 m/s) = 4.42 × 10⁻³⁷ m

6 0
3 years ago
Calculate the molecular mass of carbon monoxide (CO) by adding the atomic mass of carbon (C) and the atomic mass of oxygen (O):
Bond [772]

 The   molecular   mass  of carbon monoxide (CO)  is  28 g/mol


   <u><em>calculation</em></u>

The  molecular  mass  of CO =  atomic mass  of C + atomic  mass  of O

From  periodic table the atomic  mass  of  C = 12 g/mol and for O = 16 g/mol


Therefore the molecular  mass   of Co = 12 g/mol + 16 g/mol = 28 g/mol

6 0
3 years ago
An element has two isotopes, A and B, with mass numbers of 32.0 and 33.0 respectively. The relative atomic mass is 32.3. The per
vlada-n [284]

Answer:

d) A - 70% B - 30%

Explanation:

If x is the abundance of A, and 1−x is the abundance of B, then:

x (32.0) + (1−x) (33.0) = 32.3

32x + 33 − 33x = 32.3

33 − x = 32.3

x = 0.7

The abundance of A is 70%, and the abundance of B is 30%.

7 0
3 years ago
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The US mail delivery considered a network true or false
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True
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