There are a lot of different enzyme that catalyzes different reactions. The steps of catalysis cycle of an enzyme action are
Substrate binds to the active site of the enzymebinding alter the Shape of enzymeformation of substrate complex repeation of reaction.An enzyme is act as a biological catalyst. It is a biochemical substance that aids in accelerating and improving the efficiency of bodily reactions. Our body's ability to function depends on enzymes.
The following steps can be used to describe an enzyme's catalytic cycle:
1. Firstly, the substrate binds to the active site of the enzyme, fitting into the active site for binding.
2. The binding of the substrate with the enzyme must be changes its shape, fitting more tightly around the substrate.
3. The newly formed enzyme-product complex is created when the active site of the enzyme, which is now near the substrate, breaks the chemical bonds of the substrate.
4. As soon as the enzyme releases the reaction's byproducts, it is free and prepared to bind to a fresh substrate molecule and repeat the catalytic cycle.
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How do the mass number and atomic change as a particle goes through beta decay
Answer:
The atomic mass number does not change because a beta particle has a much smaller mass than an atom. The atomic number goes up because a neutron has turned into an extra proton, however in beta decay a fast-moving electron is fired out of the nucleolus
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suppose that you measured out 3.50g of Na2SO4. how many moles would you have? (show work)
Answer:
Na2SO4 is equal to 0.0070401642780093 mole.
Explanation:
3) What is the mass of 1 mole of selenium (Se)?
Answer:
78.96 grams
Explanation:
I looked it up and that's what I found
hope it helps
Answer:
78.96 g mol
Explanation:
78.96 g mol
in the period table the mass of Se is 78.96 g mol
Which of the following bonds is classified as a polar bond?
A K-CI
B Br-Br
C Si-F
D S-O
WILL MARK BRAINLIST
Answer:
the answer is b
Explanation:
the answer is b
Compound of KCl has a polar bond as there is a electronegativity difference between potassium and chlorine atoms.
What is a compound?
Compound is defined as a chemical substance made up of identical molecules containing atoms from more than one type of chemical element.
Molecule consisting atoms of only one element is not called compound.It is transformed into new substances during chemical reactions. There are four major types of compounds depending on chemical bonding present in them.They are:
1)Molecular compounds where in atoms are joined by covalent bonds.
2) ionic compounds where atoms are joined by ionic bond.
3)Inter-metallic compounds where atoms are held by metallic bonds
4) co-ordination complexes where atoms are held by co-ordinate bonds.
They have a unique chemical structure held together by chemical bonds Compounds have different properties as those of elements because when a compound is formed the properties of the substance are totally altered.
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If 3.0 moles of a gas are in a 60.0 liters container at 400.0 K, what is the pressure, in atm, inside
the container?
A.
0.61 atm
B.
16 atm
C.
1.6 atm
Answer:
C. 1.6 atm
Explanation:
PV = nRT
Solve for P --> P = nRT/V
n = 3.0 mol
R = 0.08206 L atm / mol K
T = 400.0 K
V = 60.0 L
P = (3.0)(0.08206)(400.0) / (60.0) = 1.6 atm
How many grams are there in 2.30x10^24 atoms of silver?
Answer:
107.8682 grams.
Explanation:
I have a bowling ball hanging from a chain in my room. What two forces are acting on the bowling
ball?
Answer:
Gravity and the chain is holding it up not sure what it is called. Also if you want free points go to my answers and look for a friday nigt funkin rp answer but anwer if you want to rp and if you know what it is
Explanation:
Answer:
Kinetic & Potential Energy
Explanation:
Kinetic Energy: Energy which a body possesses by virtue of being in motion.
Potential Energy: The energy possessed by a body by virtue of its position relative to others, stresses within itself, electric charge, and other factors
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P.S: Sorry if I'm wrong I tried my best. Best wishes!!!
Consider the equation and check all statements that apply to it: HA ↔ H+ + A−
(Select Apply Question)
A. It represents a strong acid buffer system.
B. It represents a weak acid buffer system.
C. Adding a strong acid would shift the equilibrium to the left
D. Adding a strong acid would shift the equilibrium to the right
Answer:
The answer is B & C
Explanation:
How many formula units are there in 1.34 moles of Lithium Bromide (LiBr)? (write your answer in scientific notation).
Answer:
8.07×10²³ units
Explanation:
6.02×10²³×1.34
8.07×10²³ units
What causes competition?
Explanation:
Competition stems from the fact that resources are limited. There are simply not enough of some resources for all individuals to have equal access and supply. Competition can occur between organisms of the same species, or between members of different species.
What kind of rock can be broken
down to make sand?
Answer:
sandstone
Explanation:
Sandstone is a mineral rock made of small particles.
Why is it necessary to know the temperature of the reactants and the products of a reaction in order to determine change in the Gibbs free energy of the reaction
Answer:
Free Energy (G) can either increase or decrease for a reaction when the temperature increases. It depends on the entropy (S) change. The change in a quantity is represented by the Greek letter delta. ... Hence, when the temperature increases the numeric value of the free energy becomes larger.
Explanation:
The change in Gibbs free energy (ΔG) of a chemical reaction depends on the initial and final states of the reactants and products, as well as on the temperature and pressure conditions of the reaction.
What is Gibb's free energy?The Gibbs free energy of a reaction tells us whether a reaction is spontaneous or not under given conditions, with negative ΔG values indicating a spontaneous reaction and positive ΔG values indicating a non-spontaneous reaction.
The temperature of the reactants and products is important in determining the Gibbs free energy change because the Gibbs free energy change is related to the enthalpy change (ΔH) and the entropy change (ΔS) of the reaction through the equation:
ΔG = ΔH - TΔS
where T is the temperature in Kelvin.
Thus, the temperature of the reactants and products must be known in order to calculate the Gibbs free energy change of a reaction accurately.
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PLEASE NO LINKS OR FILE SCAMS
what is the balanced equation for CuSO4 + 2NaOH → Cu(OH)2 + Na2SO4 I just want the answer please help
Based on the chemical equation, use the drop-down menu to choose the coefficients that will balance the chemical
equation:
(( H20-( H2+( 02
Answer:
[tex]2H_2O\rightarrow 2H_2+O_2[/tex]
Explanation:
Hello there!
In this case, for the reaction by which water is decomposed to molecular hydrogen and oxygen:
[tex]H_2O\rightarrow H_2+O_2[/tex]
It is necessary to perform the inspection balance process since there is a dissimilar number of atoms of oxygen on both sides; therefore, by putting a 2 on water we balance oxygen:
[tex]2H_2O\rightarrow H_2+O_2[/tex]
But now, there are four hydrogens on the left; therefore, we put a 2 on hydrogen to finally balance it:
[tex]2H_2O\rightarrow 2H_2+O_2[/tex]
And obviously, the coefficient in oxygen is an unwritten 1.
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The theoretical yield of ammonia in a reaction is 865 g. What is the percent
yield if 657 g is produced?
A- 38.0%
B- 132%
C- 152%
D- 76%
Answer:
657/865= 75.9
D. 76%
How many moles are in 2.5 g of N2?
0.089 moles
0.18 moles
1.3 moles
O
11 moles
Answer:
0.089 moles
Explanation:
Answer:
a
Explanation:
jesus loves you!
Incorporate the meaning distance and displacement in the poem tagalog or English not necessarily the exact definition halimbawa: Itong mga dayuhan bago nakarating sa ating Bayan ay naglakbay ng ilang milya mula kanluran papuntang timog silangan
Answer:
Displacement.
Explanation:
The example i.e. these foreigners before arriving in our Town traveled several miles from west to southeast represents displacement not distance because in this example direction of the objects are given. We know that distance is a scalar quantity which is expressed from its magnitude only while on the other hand, displacement is a vector quantity which can be fully explained through magnitude as well as direction of the object. in this example, west to southeast represents direction of the objects so we can say that it refers to the displacement.
Who was one of the first scientists to realize the effects of CO2 in the atmosphere?
When did he do this?
How was it measured?
Where?
Answer:
Who: Svante Arrhenius.
When: Claimed in 1896 that fossil fuels has a negative effect on our atmosphere.
How: Svante Arrhenius proved that fossil fuels had a negative effect by calculating the output of buildings that emit fossil fuels, and lead to the conclusion by his calculations that the industry might one day bring global warming. Svante Arrhenius' theory of electrolytic dissociation and his model of the greenhouse effect also helped him to prove that his remarks about fossil fuels and global warming is true.
Where:
I cannot find any source that mentions the where. What do you mean by where?
I hope my other information help you. I apologies to only be able to answer partially.
The one of the first scientists to realize the effects of CO₂ in the atmosphere is Svante Arrhenius.
What do you mean by effect of CO₂?In this question effect mat be define the possitive impact or negative impact of carbon dioxide gas in the atmosphere.
Scientist Svante Arrhenius is the first one who realize the effects of CO₂ in the atmosphere.In the year 1896 he put his thought about CO₂.By measuring the output of buildings that emit fossil fuels, he established that fossil fuels have a negative influence, and his calculations led to the conclusion that the industry may one day cause global warming. Svante Arrhenius' electrolytic dissociation theory and greenhouse effect model also aided him in proving that his statements concerning fossil fuels and global warming are correct.Hence, Svante Arrhenius is one of the first scientists to realize the effects of CO₂ in the atmosphere.
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PLEASE Answer asap! Which has the largest atomic radius?
A. Lithium
B. Helium
C. Oganesson
D. Francium?
Answer:
It's D. Francium
Explanation:
Atomic radii vary in a predictable way across the periodic table. The atomic radius increases from top to bottom in a group and decreases from left to right across a period. Thus, Helium is the smallest element, and Francium is the largest.
In a titration, what is the significance of the endpoint?
Answer:
Explanation:
the addition of an indicator to the analyte solution helps us to visually spot the equivalence point in an acid-base titration. Endpoint: refers to the point at which the indicator changes color in an acid-base titration.
how many moles of sodium phosphate are required to make 7.5 moles of sodium nitrate in 2Na3PO4+3Be(NO3)=6NanO3+Be3(PO4)2
Answer:
2.5 moles of sodium phosphate
Explanation:
3 Pb(NO3)2 + 2 Na3PO4 → Pb3(PO4)2 + 6 NaNO3
6 (moles in the reaction)- 7.5(moles in the task)
2 (moles in the reaction)- x (moles in answer) ⇒6x = 2*7.5 ⇒ x = 15/6=2.5 (moles)
Help pleaseee.... :(
Answer:
D= .7
C= 1.25
B= 2.2
A= 3.6
A solution has a hydroxide-ion concentration of 1.5 x 10^-5M. (a) What is the concentration of the hydronium ions in this solution? (b) What is the pH of this solution? (c) Is the solution acidic, basic, or neutral?
How many grams is 2.393 x 10^24 atoms of CI
70.45 g CI
140.9 ga
140.9 mole CI
70.45 mole CI
How many grams is 2.393 x 10^24 atoms of O
70.45 g O
140.9 g O
63.58 mole O
63.58 g O
Answer: 1. 140.9 g Cl
2. 63.58 g O
Explanation:
According to avogadro's law, 1 mole of every substance occupies 22.4 L at STP and contains avogadro's number [tex]6.023\times 10^{23}[/tex] of particles.
To calculate the moles, we use the equation:
[tex]\text{Number of moles}=\frac{\text{Given atoms}}{\text {avogadro's number}}[/tex]
1. [tex]\text{Number of moles of Cl}==\frac{2.393\times 10^{24}}{6.023\times 10^{23}}=3.973moles[/tex]
1 mol of Cl weighs = 35.5 g
Thus 3.973 mol of Cl weighs = [tex]\frac{35.5}{1}\times 3.973=140.9g[/tex]
2. [tex]\text{Number of moles of O}==\frac{2.393\times 10^{24}}{6.023\times 10^{23}}=3.973moles[/tex]
1 mol of O weighs = 16 g
Thus 3.973 mol of O weighs = [tex]\frac{16}{1}\times 3.973=63.58g[/tex]
Which of the following shows the correct rearrangement of the the heat equation q = mCpΔT to solve for specific heat?
Answer:
c
Explanation:
Answer:
The Answer is the last one
Explanation:
What variables are used to calculate speed
S /\ Speed
mph, km/h, ft/s
Answer:
Calculating speed, distance and time
We can use formulas to model real-life situations. For example, the formula for calculating speed is speed = distance ÷ time. It is possible to calculate the speed, distance or time if you have the other two values.
Explanation:
The gas phase decomposition of phosphine at 120 °C
PH3(g)1/4 P4(g) + 3/2 H2(g)
is first order in PH3 with a rate constant of 1.80×10-2 s-1.
If the initial concentration of PH3 is 8.48×10-2 M, the concentration of PH3 will be 2.45×10-2 M after
s have passed.
Answer:
The decreasing in concentration occurs after 69.0s
Explanation:
A first order reaction follows the equation:
Ln [A] = -kt + ln[A]₀
Where [A] is the concentration of the reactant after time t
k is rate constant of the reaction
And [A]₀ is the initial concentration of the reactant
Replacing:
Ln 2.45x10⁻²M = -1.80x10⁻²s⁻¹*t + ln8.48x10⁻²
-3.709 = -1.80x10⁻²s⁻¹*t -2.467
-1.2416 = -1.80x10⁻²s⁻¹*t
69.0s = t
The decreasing in concentration occurs after 69.0s
Which of the following is a true statement about odors?
A. All odors are made of particles.
B. Odors move in all directions.
C. Odors can be detected.
D. All of the above.
Which is not a chara
What is the difference between phenol and dettol?
A 3.4 g sample of an unknown monoprotic organic acid composed of C,H, and O is burned in air to produce 8.58 grams of carbon dioxide and 1.50 grams of water vapor. It was also determined that 279 mL of 0.1 M KOH was needed to titrate the acid completely.
Answer:
[tex]C_7H_6O_2[/tex]
Explanation:
Hello there!
In this case, we can divide the problem in three stages: (1) determine the empirical formula with the combustion analysis, (2) compute the molar mass of acid via the moles of the acid in the neutralization and (3) determine the molecular formula.
(1) In this case, since 8.58 g of carbon dioxide are released, we can first compute the moles of carbon in the compound:
[tex]n_C=8.58gCO_2*\frac{1molCO_2}{44.01gCO_2}*\frac{1molC}{1molCO_2}=0.195molC[/tex]
And the moles of hydrogen due to the produced 1.50 grams of water:
[tex]n_H=1.50gH_2O*\frac{1molH_2O}{18.02gH_2O}*\frac{2molH}{1molH_2O} =0.166molH[/tex]
Next, to compute the mass and moles of oxygen, we need to use the initial 3.4 g of the acid:
[tex]m_O=3.4g-0.195molC*\frac{12.01gC}{1molC}-0.166molH*\frac{1.01gH}{1molH} =0.89gO\\\\n_O=0.89gO*\frac{1molO}{16.0gO}=0.0556molO[/tex]
Thus, the subscripts in the empirical formula are:
[tex]C=\frac{0.195}{0.0556}=3.5 \\\\H=\frac{0.166}{0.0556}=3\\\\O=\frac{0.0556}{0.0556}=1\\\\C_7H_6O_2[/tex]
As they cannot be fractions.
(2) In this case, since the acid is monoprotic, we can compute the moles by multiplying the concentration and volume of KOH:
[tex]n_{KOH}=0.279L*0.1mol/L\\\\n_{KOH}=0.0279mol[/tex]
Which are equal to the moles of the acid:
[tex]n_{acid}=0.0279mol[/tex]
And the molar mass:
[tex]MM_{acid}=\frac{3.4g}{0.0279mol} =121.86g/mol[/tex]
(3) Finally, since the molar mass of the empirical formula is:
7*12.01 + 6*1.01 + 2*16.00 = 122.13 g/mol
Thus, since the ratio of molar masses is 122.86/122.13 = 1, we infer that the empirical formula equals the molecular one:
[tex]C_7H_6O_2[/tex]
Best regards!