The first step of an enzymatic reaction is, substrate molecule (S) collide with enzyme(E) and react to form an intermediate compound called the enzyme-substrate (E–S) complex.
Enzymatic catalysis of a reaction between two substrates. The enzyme provides a template on which the two substrates are brought together in the correct position and orientation to react with each other. Enzyme-catalyzed reactions take place in at least two steps.
In the first step, an enzyme molecule (E) and a substrate molecule or molecules (S) collide and react to form an intermediate called an enzyme-substrate (E–S) complex. (This step is reversible, as the complex can dissociate into the original substrate or substrates and the free enzyme.) Once the E–S complex is formed, the enzyme is able to catalyze the formation of the product (P), which is then released from the enzyme surface:
S+E→E–S
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Choose all of the examples where there would be an increase in the electric or magnetic force.
Increase the amount of charge on each object
Decrease the distance between the objects
Decrease the charge on one of the objects
Increase the distance between the objects
Increase the mass of the objects
Answer:
1,2,5
Explanation:
I took it on usatesprep
How many Zn atoms are there in 4.65 moles of Zn?
atoms
Submit Answer
Retry Entire Group
9 more gra
PLEASE PLEASE PLEASE HELP:
An unknown material has 389 J of heat energy added to it. If its specific heat capacity is 0.371 J/g*C and 58 g were affected, what was the temperature increase?
Which is the correct chemical symbol for this atom of helium?
What is the pH of a solution that has a pOH of 5.9
Answer:
pH = 8.1
Explanation:
Assuming that we are at 25 degrees Celsius, pH + pOH = 14.
We can then plug in the given pOH and solve for pH:
pH + pOH = 14
pH + 5.9 = 14
pH = 14 - 5.9 = 8.1
In which of the following groups of ions are the charges all shown
correctly?
Answer:
magnesium and potassium are the group of ions
Explanation:
magnessium has positive charge and pottasium has negative charge
Albino trees exist in nature, but they’re rare. These trees contain a gene mutation that causes them to lack chlorophyll, so their leaves are white. In California, albino redwood trees are parasites. They survive off the energy from nearby redwood trees. Why do you think they need to use energy from other trees to survive?
Answer:
They need to use energy from other tress to survive so that they can do basic functions, like absorbing nutrients from the ground, and growing back leaves. They don't have chlorophyll, so they need that energy to do the functions I mentioned above.
Explanation: Hope this helps!
Answer:
Trees need chlorophyll to make energy. Because albino trees don’t have chlorophyll, they can’t create their own energy. So, they must take energy from other trees to survive.
Explanation:
define a lone pair and give example
Answer:In chemistry, a lone pair refers to a pair of valence electrons that are not shared with another atom in a covalent bond and is sometimes called an unshared pair or non-bonding pair. Lone pairs are found in the outermost electron shell of atoms. They can be identified by using a Lewis structure.
Circle the letter next to each sentence that is true concerning the compressibility of gases. a. The large relative distances between particles in a gas means that there is considerable empty space between the particles. b. The assumption that particles in a gas are relatively far apart explains gas compressibility. c. Compressibility is a measure of how much the volume of matter decreases under pressure. d. Energy is released by a gas when it is compressed.
Answer:
The large relative distances between particles in a gas means that there is considerable empty space between the particles.
The assumption that particles in a gas are relatively far apart explains gas compressibility.
Compressibility is a measure of how much the volume of matter decreases under pressure.
Energy is released by a gas when it is compressed
Explanation:
The kinetic molecular theory establishes that gases are composed of molecules. These molecules of gas are far apart from each other hence there is a considerable empty space between the gas molecules. As a result of these empty spaces between gas molecules, it is possible to compress a gas.
Compressibility is defined as a measure of how much the volume of matter decreases under pressure. When a gas is compressed, work is done on the gas and energy is evolved hence the gas heats up.
What is the pH of a 4.7 x 10-9 M HCl solution? *
4.67
8.33
11.21
2.93
Which molecule is shown below?
H
H-C-H
The
H Η Η Η Η
H-Ċ-Ċ-Ċ-Ċ -C-0-H
11 11 1
Η Η Η Η Η Η
A. 2-ethylhexane
B. 2-methylhexane
C. 3-methylhexane
D. 3-ethylhexane
Answer:
2-methylhexane
Explanation:
just took it the quiz
2-methylhexane is the molecule shown below. Hence option B is correct.
What is Molecule and atom ?Atom is smallest entity of a body. Body is made up of atoms. it is basic building block of a body. An atom consist of electrons, protons and neutrons as sub atomic particle. whole mass of the atom is concentrated at the center of the atom which we call it as nucleus, nucleus consist of proton and neutron. Electron revolve around the nucleus at determined(fixed) orbit. Total number of protons in the atom decides the atomic number and the elements in the periodic table.
Molecule is made up of atoms, it is formed when two or more atoms bound together. The electrons in the outermost orbit are responsible for the molecule formation. Electrons are shared by the atoms in the entire molecule.
In this problem the structure shown in this figure is a structure of 2-methylhexane. Hence option B is correct.
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The plant chemical which absorbs sunlight and helps make cell food is
A.osmosis
B.cellulose
C.vaculoe
D.chlorophyll
Answer:
chlorophyll
Explanation:
I NEED HELP ASAP!! What is the difference between the experimental group and a control group?
I believe the control group is what doesn't change in the experiment, and the experimental group is what is being tested / receives the treatment :)
What volume of DI water, in mL, must you use to dissolve 30.0 g of NaOH in order to make a 1.25 M solution? mL (round to whole number)
Answer:
600mL
Explanation:
Molarity of a solution (M) = number of moles (n) ÷ volume (V)
number of moles = mass/molar mass
Molar mass of NaOH = 23 + 16 + 1
= 40g/mol
mole = 30/40
n of NaOH = 0.75mol
Using Molarity = n/V
V = number of moles ÷ molarity
V = 0.75 ÷ 1.25
V = 0.6L
In milliliters (mL), the volume of NaOH will be 0.6 × 1000
= 600mL
HELPPPPP MEEEEE ASAPPP
According to the diagram above, when the north end of the Earth’s axis is tilted toward the sun, explain the suns effect on the North America.
A. North America will experience more indirect rays and shorter days
B. North America will experience more indirect rays and longer days.
C. North America will experience more direct rays and shorter days
D. North America will experience more direct rays and longer days.
Answer:
the answer is D
Explanation:
brainliest?
I need help answer with right answer
Answer:
I think it would be D
Explanation:
At what temperature would the volume of a gas be 0.550 L if it had a volume of 0.432 L at –20.0°C? Be careful! This is not in the correct units for temperature.
Answer:
49.2°C is the temperature
Explanation:
Based on Charles's law, the absolute temperature of a gas is directly proportional to the volume under constant pressure. The equation is:
V1 / T1 = V2 / T2
Where V is volume and T is absolute temperature of 1, initial state and 2, final state of the gas.
Computing the values of the problem:
V1 = 0.432L
T1 = -20.0°C + 273.15K = 253.15K
V2 = 0.550L
T2 = ?
0.432L / 253.15K = 0.550L / T2
322.3K = T2
322.3K - 273.15 =
49.2°C is the temperaturea 1.4g sample of pure gas occupies a volume of 981 mL at 42°C and 117 kPa. Determine the molar mass of the compound.
Answer:
51 g/mol. Explanation: Whenever you see molar masses in gas law questions, more often than not density will be involved.
1. Give the best advice on being understanding but kinda flirty to a friend that is a girl.
2. You can add a pickup line. :)
THIS IS AN EMERGENCY.
How many grams of KOH are needed to make 0.500 L of a 0.10 M solution
Answer:
2.8 g KOH
Explanation:
We can find the amount of moles we need by multiplying 0.500 L and the molarity given, 0.10 M (molarity is moles of solute divided by liters of solution). The liters cancel out, leaving us with moles; we can then take the moles and convert it to grams of KOH by using the molar mass of KOH.
0.500 L x 0.10 mol/1 L x 56.106 g /1 mol = 2.8 g KOH (two significant figures)
All of the facts about our star the Sun listed below are true EXCEPT which option?
A. the sun is the smallest object in our Solar System.
B. the sun is an average-sized yellow star.
C. the sun is located in an arm of the spiral shaped Milky Way galaxy.
D. the sun appears brighter because it is much closer to Earth than other stars
Answer:
A
Explanation:
The sun is the smallest object in our solar system
Answer:
A. the sun is the smallest object in our solar system
Explanation:
In 2009, the Hubble Space Telescope discovered the smallest object ever seen in visible light at the time within the Kuiper Belt. The Kuiper Belt Object (KBO) found was a mere 3,200 feet (975 meters) across and was 4.2 billion miles away.
Question :What's oxidation?
Answer:
The process or result of oxidizing or being oxidized.(Rust)
Explanation:
Pluto
In q = mCΔT, what does C stand for?
Answer:
The symbol c stands for specific heat and depends on the material and phase. The specific heat is the amount of heat necessary to change the temperature of 1.00 kg of mass by 1.00ºC.
A projectile is projected with an initial velocity of 40 m/s at a 45o angle to the horizontal. , calculate the total time travelled.
Answer:
5.77 s
Explanation:
From the question,
The total time travelled by the projectile = Time of flight (T)
T = 2usinθ/g............ Equation 1
Where T = Time of Flight of the projectile, u = Initial velocity, θ = Angle of projection to the horizontal, g = acceleration due to gravity
Given: u = 40 m/s, θ = 45°
Constant: g = 9.8 m/s²
Substitute these values into equation 1
T = 2(40)sin(45°)/9.8
T = 80sin(45°)/9.8
T = 80×0.7071/9.8
T = 5.77 s
How many Joules are required to heat 40g of water from 13°C to 40°C?
J
Answer: 1080
Explanation:
you have to subtract 40 from 13 frist then multiply the remins of the temeture with 40 and your answer is 1080
Predict the shape of the molecule.
Answer: circle
Explanation:
When mechanical energy is transformed,
A.
potential energy remains unchanged.
B.
heat is given off.
C.
kinetic energy remains unchanged.
D.
friction is encountered.
Answer:
kinetic energy remains unchanged
Blood is made up of red and white blood cells, platelets and ______.
Find the interquartile range
blood is made up of red and white blood cells, platelets and plasma
can someone please help me:(
Answer:
I think (B) is right answer because here oxygen is a combustible material and combustible is always take place when oxygen is burn
Agas has a pressure of 6.58 kPa at 540 K. What will the pressure be at 210 K if the volume
does not change?
26 kPa
260 kPa
17.000 kPa
17 kPa
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Answer:
[tex]P_2=2.6kPa[/tex]
Explanation:
Hello there!
In this case, according to the Gay-Lussac's gas law, which illustrates the pressure-temperature behavior as a directly proportional relationship:
[tex]\frac{P_2}{T_2}=\frac{P_1}{T_1}[/tex]
We can solve for the final pressure as shown below:
[tex]P_2=\frac{P_1T_2}{T_1}[/tex]
Thus, we plug in the initial pressure and temperature and final temperature to obtain:
[tex]P_2=\frac{6.58kPa*210K}{540K}\\\\ P_2=2.6kPa[/tex]
Which is not among the choices.
Regards!