PLEASE HELP ILL MARK BRAINEST!!! 35 POINTS!! THANK YOU
This chart above compares the reaction rate of a naturally occurring chemical reaction vs. the same reaction when an enzyme is involved.
a. Compare the differences between the two reactions, but also note what they have in common.
b. Explain the role the enzyme plays in the second reaction
c. Explain what the three bumps in the second reaction means and why the original reaction only has one bump.
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In the image given, the difference in the activation energy is observed on addition of a catalyst in the same reaction.
Activation energy is the minimum initial energy needed for a reaction to start. It is denoted as \(E_a\).
a) The difference between the reactions is that on addition of a catalyst, the activation energy is reduced to form the same product.
The similarity is that these peaks are basically the transition states where the energy is highest, and the reactant molecules are highly unstable and immediately get converted to the products.
b) Enzymes in the second reaction are the catalysts which increase the rate of the reaction and reduce the activation energy required for the reaction to happen. Not only do the enzymes reduce the activation energy, but they also introduce a multiple energy reaction pathway which must be fulfilled in order to form the products.
c) The second reaction is a multi-step reaction and occurs in a series of collisions, where each collision produces an intermediate molecule which collides further until the final product molecules are formed. Thus, each collision step has its own activation energy peak.
The original reaction has only one activation energy peak as the reactants collide once and form the products immediately thereby consuming a lot of energy.
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Related Questions
The specific heat of copper metal was determined by putting a piece of the metal weighing g in hot water. The quantity of heat absorbed by the metal was calculated to be J from the temperature drop of the water. What was the specific heat of the metal if the temperature of the metal rose
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Answer:
J/g°C=H
H×g°C=J
H×g°C/H×g=J/H×g
What is nitrogen G how will be formed G
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Nitrogen G is a colorless, tasteless gas that is the most plentiful element in Earth's atmosphere and is a constituent of all living matter of nitrogen.
what is nitrogen g explain?Nitrogen is an essential gaseous element with an atomic number of 7 and an atomic weight of 14.0067. Nitrogen gas has two particles of Nitrogen therefore, the molecular formula of this gas is N2. It is a non-metallic element that settled Group 15
nitrogen. [ nī′trə-jən ] N. A nonmetallic element that constructs up about 78 percent of the atmosphere by capacity, Nitrogen is a nonmetal and the lightest member of group 15 of the periodic table
So we can conclude that Nitrogen is the chemical element with the symbol N and atomic number 7.
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1. HF (aq) = H+ (aq) + F- (aq)
K 6.8 x 10-4
-
II. H₂C₂O4 (aq) = 2H+ (aq) + C₂0²-
K = 3.8 x 10-6
What is the K value for the
reaction below?
2HF (aq) + C₂02 (aq) =
2F (aq) + H₂C₂O4 (aq)
[?]
K = [?] x 10¹
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Remember:
when you double moles: square the equilibrium constant
when you half the moles: Square root the equilibrium constant
when you reverse a reaction: take the reciprocal of the equilibrium constant
which is the slope of a line that is perpendicular to the line that passes through the points (29, 24) and (3, 4)?
Answers
Answer :c
I remember take this class in 5 th grade
17. HAZWOPER training and certification recognizes:
a. A large number (as much as 80%) will self-present or be self-referred victims
b. Awareness level training will promote proper initial triage actions
c.
Victims will use any entrance they can enter at the hospital, in addition to the
emergency department entrance
d. Both A and C
Answers
HAZWOPER training and certification recognize:
a large number (as much as 80%) will self-present or be self-referred victimsVictims will use any entrance they can enter at the hospital, in addition to the emergency department entranceThe correct option is both A and C
What is the HAZWOPER training and certification?HAZWOPER (Hazardous Waste Operations and Emergency Response) training and certification recognize that a large number of victims (as much as 80%) in hazardous waste incidents or emergencies will self-present or be self-referred for medical treatment.
Additionally, HAZWOPER training acknowledges that victims may use any entrance they can access at a hospital, not just the emergency department entrance.
This is because individuals affected by hazardous materials may arrive at different areas of the hospital seeking medical assistance.
Therefore, option d. Both A and C are correct statements regarding the recognition of HAZWOPER training and certification.
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Need actual help plsss
Answers
Dr
Carries oxygen-rich blood and
nutrients away from the heart
to the rest of the body
Carries carbon
dioxide-rich blood
back to the heart
3
Exchanges gases to remove
carbon dioxide and add
oxygen to blood
Responsible for
pumping blood
throughout the body
Transports oxygen-depleted
blood to the lungs to exchange
CO₂ for O,
Transports oxygen-rich blood
to the heart to redistribute to
the rest of the body
 dragon drop 
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consider the reaction of 15.0 g of oxygen as follows. 4Fe + 3O2 —> 2Fe2O3
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a. Moles of oxygen reacted = 0.469 moles
b. Moles of iron that must react = 0.625 moles
c. Moles of product formed = 0.313 moles
d. mass of product formed = 50.08 g
What is the mole of oxygen in 15.0 g of sample?a. The moles of oxygen is calculated as follows:
Moles = mass/molar mass
Molar mass of oxygen = 32.0 g/mol
Moles of oxygen = 15/32
Moles of oxygen = 0.469 moles
b. Moles of irons that must react is obtained from the mole ratio of iron and oxygen
Mole ratio of iron to oxygen is 4 : 3
Moles of iron that must react = 4/3 * 0.469
Moles of iron that must react = 0.625 moles
c. Moles of product formed is obtained from the mole ratio of product and oxygen
Moles of product formed = 2/3 * 0.469
Moles of product formed = 0.313 moles
d. mass of product formed = moles * molar mass
Molar mass of product = 160 g/mol
mass of product formed = 160 * 0.313
mass of product formed = 50.08 g
In conclusion, the mass of product formed is determined from the moles of products formed.
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Note that the complete question is as follows:
consider the reaction of 15.0 g of oxygen as follows:
4Fe + 3O2 —> 2Fe2O3
How many moles of oxygen react?
How many moles of iron must react?
How many moles of product form?
What mass of product forms?
Which of the following behaviors might indicate a patient is drug seeking?
A. A patient wants to avoid a specific medication because of
potential side effects.
B. A patient explains that she is from out of town and needs a
specific medicine because she left her prescription at home.
C. A patient fears her new prescription will conflict with another
medication she's currently taking.
D. A patient thinks she needs a smaller dose of her prescription
because it gives her headaches.
SUBMIT
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Answer:
B is correct :)
Explanation:
Trust me I just took the test
How many moles are there in 100 grams of NaOH?
Answers
Answer: 40 g/mol
Explanation:
Calculate the pH when [H]= 7.5 x 10^-12M
![Calculate the pH when [H]= 7.5 x 10^-12M](https://i5t5.c14.e2-1.dev/h-images-qa/contents/attachments/Rjoyhw9OmOBhtoPsWzv6SyKE7z9ZlEnM.png)
Answers
Answer:
11.1249387366083
Explanation:
you do -log([H+]
pencil has a density of 14.5 g/mL and a volume of 5 mL. Calculate the mass in grams.
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Answer:
The answer is 72.5 gExplanation:
The mass of a substance when given the density and volume can be found by using the formula
mass = Density × volumeFrom the question we have
mass = 14.5 × 5
We have the final answer as
72.5 gHope this helps you
what is the element for gas
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Answer:
If by gas you mean oxygen it is O.
Can Someone help with this please
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The rate law is; Rate = k[X] [Y]
What is the rate law?
The rate law is an equation that describes how the rate of a chemical reaction is dependent on the concentrations of the reactants. The rate law provides information about the rate of a reaction and the effect of changing the concentrations of reactants on the reaction rate.
The rate law can be expressed as:
rate = k [A]^m [B]^n
We have to note that for X;
1.4 * 10^-3/7.0 * 10^-4 = 0.4/0.2
2= 2^n
n = 1
For Y;
2.8 * 10^-3/1.4 * 10^-3 = 0.4/0.2
2 = 2^n
n = 1
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What is the initial and final mass of the zinc and copper?
Answers
Answer:the final mass of copper is 3.84 g. There was an increase in mass of 1.84 g from the initial mass of 2.0 g.
Explanation:
How many atoms of chlorine are there in one molecule of carbon tetrachloride? (2 points)
1
2
3
4
Answers
Answer:
= 4Explanation:
A molecule of carbon tetrachloride contains one carbon and four chlorine atoms.Thus, a carbon atom will share each of its 4 outer electrons with a single chlorine atom, giving the single carbon atoms and 4 chlorine atoms a full outer shell of electrons.So 6.02 ×10²³ (that is equal to one mole) , molecules contain 4×6.02×10²³ atoms of chlorine i.e. 4moles chlorine. So we can write one mole of ccl4 molecule have 4 moles of chlorine atombranliest plsPredict: How do you think increasing the cylinder’s mass will affect the final temperature of the water? Explain your prediction.
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Please answer this question
Answers
Answer:
I'm not an expert at this, but I assume its mercury.
Name the following compoundCH3-CH-CH2-CH3 | Br
Answers
2 brome butane
it has 4 C atoms therefor we know it is a butan-- and the brome is placed in the second carbone so that gives the answer 2 brome butane
HELP ASAP ILL MARK BRAINLIEST
Answers
What is the coefficient for sodium chloride when this equation is balanced?
Answers
Answer:
To resolve this, we need to place the coefficient “2” in front of the sodium in the reactant, to give the equation shown below. 2 Na (s) + Cl 2 (g) → 2 NaCl (s) In this equation, there are two sodiums in the reactants, two sodiums in the products, two chlorines in the reactants and two chlorines in the products; the equation is now balanced.
Explanation:
FILL IN THE BLANK
In both fusion and fission, stability _______ as a result of the reaction.
Select one:
a) Increases
b) Decreases
c) Remains the same
Need help on this ASAP thank you!!
Answers
In both fusion and fission, stability decreases as a result of the reaction. In fusion, two smaller nuclei combine to form a larger nucleus, releasing energy in the process.
The resulting nucleus may be unstable and undergo radioactive decay, which can further release energy. In fission, a larger nucleus is split into smaller nuclei, also releasing energy. The resulting nuclei may also be unstable and undergo radioactive decay. In both cases, the process of splitting or combining nuclei releases energy, but it also reduces the overall stability of the resulting nuclei.
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Explain how this change will impact the transfer of thermal energy in the solar cooker design and describe one possible design improvement the students can make to compensate for this change
Answers
Answer:it conduct thermal conductivity because of the heat it holds
Explanation:
When energy is transformed from one form to another, the appliance could be redesigned in such a way that this transfer is minimized.
Transfer of thermal energyWe know from the principle of transfer of energy that energy can neither be created nor destroyed but is transformed from one form to another. The image is not shown here but I will try to explain what energy transfer is.
Usually, when energy is transformed from one form to another, the appliance could be redesigned in such a way that this transfer is minimized.
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A student wants to conduct an experiment that tests if pH balance affects plant growth. What is the dependent variable?
a. pH
b. Plant growth
c. Time
d. The student
Answers
Answer:
C
Explanation:
that is the only dependent variable
When the following molecular equation is balanced using the smallest possible integer coefficients, the values of these coefficients are:
________hydrochloric acid (aq) + ___________oxygen (g) → _________water (l) + ________chlorine (g)
Answers
Answer:
The coefficients are; 4, 0, 2, 2
Explanation:
The equation is given as;
HCl + O2 --> H2O + Cl2
Upon balancing the equation, we have;
4HCl + O2 --> 2H2O + 2Cl2
The solubility of the ionic compound MX3, having a molar mass of 288 g/mol, is 3.60 x 10-2 g/L. Calculate the KSP of the compound.
Answers
\(K_{sp}\) of the compound is found to be 5.04 ×\(10^{-10}\).
Solubility :Solubility can be define as the amount of a substance that dissolves or mixes in a given amount of solvent at specific conditions.
Solubility equilibrium
Ksp = \([A^{+} ]^{a}\) \([B^{-} ]^{b}\)
Ksp = solubility product constant
A+ = cation in an aquious solution
B- = anion in an aqueous solution
a, b = relative concentrations of a and b
Given,
Solubility = s = 3.60 × \(10^{-2}\) g/L
molar mass = 288 g/ mol
∴ s= 3.60 × \(10^{-2}\) g/L ÷ 288 g/ mol = 1.25 ×\(10^{-4}\) mol/ L
Reaction:
MX3 ⇄ M + 3X
s 3s
\(K_{sp}\) =[ \(M^{+3}\)] [ \(X^{-1}\)\(]^{3}\) = solubility product
∴ \(K_{sp}\) =\([s]^{} [3s]^{3}\)
∴ \(K_{sp}\) = 3 \(s^{4}\)
∴ \(K_{sp}\) = 3 × (3.60 × \(10^{-2}\) \()^{4}\)
∴ \(K_{sp}\) = 503.8848 ×\(10^{-8}\) = 5.04 ×\(10^{-10}\)
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The typical dosage of statin drugs for the treatment of high cholesterol is 10 mg. Assuming a total blood volume of 4.5 L, calculate the concentration of drug in the blood in units of % (w/v)
Answers
Answer:
1.904 ppm
Explanation:
Concentration of drug in units of ppm = mass of solute / (mass of solution ) × 1000000
mass of blood = density of blood × volume = 1.05 g / ml × 5000 ml = 5250 g
mass of solution = mass of blood + mass of solute ( statin) = 5250 + 0.01 g = 5250.01 g
Concentration of drug in units of ppm = (0.01 g / 5250.01 g) × 1000000 = 1.904 ppm
I hope this helps!!
Reasoning About Photographing an Eclipse
Reasoning About Photographing an Eclipse
With your group, use the Reasoning Tool to connect each piece of evidence to the claim you think is correct.
Question: When can a lunar eclipse be photographed?
Claim 1: A lunar eclipse can be photographed anytime Earth is in between the sun and the Moon.
Claim 2: A lunar eclipse can be photographed sometimes when Earth is in between the sun and the Moon.
Evidence
This matters because . .
Therefore, . . .
(claim)
Example evidence: two Top View images
A lunar eclipse can be photographed sometimes when Earth is in between the sun and the Moon.
Evidence source: “An Ancient Machine for Predicting Eclipses” article
A lunar eclipse can be photographed sometimes when Earth is in between the sun and the Moon.
Evidence source: Earth, Moon, and Sun Sim
A lunar eclipse can be photographed sometimes when Earth is in between the sun and the Moon.
Evidence source: Moon Sphere Model
A lunar eclipse can be photographed sometimes when Earth is in between the sun and the Moon.
Answers
Therefore, the correct claim is: A lunar eclipse can be photographed sometimes when Earth is in between the sun and the Moon.
What is a Lunar Eclipse?A lunar eclipse occurs when Earth is positioned between the sun and the Moon, blocking the sun's light from reaching the Moon and casting a shadow on it.
However, not every lunar eclipse is visible and can be photographed. The visibility of a lunar eclipse depends on several factors such as the position of the moon in its orbit, the location of the observer on Earth, and the weather conditions.
Hence, the claim "A lunar eclipse can be photographed sometimes when Earth is in between the sun and the Moon" is supported by the evidence provided and is therefore correct.
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The sanlinity of ocean water
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Answer:
35g/l
Explanation:
Salinity is practically the saltiness of the water, in basic terms. It's basically the amount of salt dissolved in water. Ocean water has a salinity of around 35g/l (that's about 3.5% of which is dissolved salt in water!). However, Atlantic Ocean (the ocean with the saltiest water), can range up to 37g/l.
Feel free to mark this as brainliest :D
a jaguar can run up to 50 miles per hour, how many feet can he run per second? give your answer in scientific notation to one and three significant figures.
Answers
Answer:
50x10^0
Explanation: