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Alex73 [517]
3 years ago
9

Which of these statements regarding enzymes is FALSE?

Chemistry
2 answers:
larisa86 [58]3 years ago
8 0
I believe the answer is d
Rasek [7]3 years ago
5 0

Answer:

d. Enzymes are broken down by the reactions they catalyze.

Explanation:

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What is the specific heat capacity of a metal if it requires 177.5 J to change the temperatures of 15.0g of the metal from 25.00
Vikentia [17]

Answer:

The specific heat capacity of a metal is 1.31 J/g°C = C

Explanation:

A classical excersise of calorimetry to apply this formula:

Q = m . C . ΔT

177.5 J = 15 g . C (34°C - 25°C)

177.5 J = 15g . 9°C . C

177.5 J /15g . 9°C = C

1.31 J/g°C = C

3 0
3 years ago
Tidal power is harnessed by _____.
Schach [20]
Correct option C
<span>Tidal power is harnessed by </span><span>building a dam across the mouth of a bay</span>



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3 years ago
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What does nuclear fusion release?
Kisachek [45]

Answer:

Nuclear fusion is a reaction in which two or more atomic nuclei are combined to form one or more different atomic nuclei and subatomic particles (neutrons or protons). The difference in mass between the reactants and products is manifested as either the release or absorption of energy

Explanation:

6 0
3 years ago
Someone pls help me!
IceJOKER [234]
I think it is D i think.
5 0
3 years ago
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What is the length of a one-dimensional box for an electron (9.109 x 10-31 kg) with an n=1 energy of 479 kJ/mol? Give the answer
OverLord2011 [107]

Answer : The length of a one-dimensional box for an electron is 2.819\times 10^{31}\AA

Explanation :

The energy level of quantum particle in a one-dimensional box is given as:

E_n=\frac{n^2h^2}{8mL^2}

where,

E_n = 479 kJ/mol = 479000 J/mol

n = energy level = 1

h = Planck's constant = 6.626\times 10^{-34}Js

m = mass of electron = 9.109\times 10^{-31}kg

L = length of a one-dimensional box = ?

Now put all the given values in the above formula, we get:

479000J/mol=\frac{(1)^2\times (6.626\times 10^{-34}Js)^2}{8\times (9.109\times 10^{-31}kg)\times L^2}

L=2.819\times 10^{21}m

conversion used : 1m=10^{10}\AA

L=2.819\times 10^{31}\AA

Therefore, the length of a one-dimensional box for an electron is 2.819\times 10^{31}\AA

3 0
2 years ago
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