Consider the hypothetical reactions A+B=C+D+ heat and determine what will happen to the conicentration of a under the following condition: The system, which is initially at equilibrium, is heated No chartie inthe (θ)
Answers
When the system, initially at equilibrium in the reaction A+B=C+D+ heat, is heated with no change in the total pressure (θ), the concentration of species A will decrease.
In the given reaction, the forward reaction (A + B → C + D) is exothermic, meaning it releases heat. According to Le Chatelier's principle, when a system at equilibrium is subjected to a change in temperature, it will shift in the direction that counteracts the change.
In this case, heating the system without changing the total pressure (θ) increases the temperature. The system will respond by trying to decrease the temperature. Since the forward reaction is exothermic (heat is produced), the system will shift in the reverse direction (C + D → A + B) to absorb the excess heat.
As a result, the concentration of species A will decrease as the system moves towards the reactant side to counteract the increased temperature. The concentrations of species C and D, on the other hand, will increase as the system moves towards the product side.
Therefore, under the given condition, the concentration of species A will decrease.
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Related Questions
Enumera toate numerele cuprinse intre 60 si 70 care pot fi impartite exact la 4 si la 5
Answers
To enumerate all the numbers between 60 and 70 that are divisible by both 4 and 5, we need to check each number in that range and see if it satisfies both conditions.
The answer to the question "Enumera toate numerele cuprinse intre 60 si 70 care pot fi impartite exact la 4 si la 5" is:
Numerele cuprinse intre 60 si 70 care pot fi impartite exact la 4 si la 5 sunt 60.
The explanations are given as follows:
Let's start with the number 60. We check if 60 is divisible by 4 by dividing it by 4 and seeing if the remainder is 0. In this case, 60 divided by 4 gives us a remainder of 0, so it is divisible by 4. Next, we check if 60 is divisible by 5 in the same way. Again, 60 divided by 5 gives us a remainder of 0, so it is divisible by 5 as well. Therefore, 60 satisfies both conditions and can be included in our list.
Moving on to the next number, 61, we repeat the same process. We divide 61 by 4 and 61 by 5 and check if the remainders are 0. If any remainder is not 0, then the number is not divisible by both 4 and 5. In this case, 61 is not divisible by either 4 or 5, so we exclude it from our list.
We continue this process for each number between 60 and 70. The numbers that satisfy both conditions, being divisible by 4 and 5, are included in our final list.
Based on this process, the number between 60 and 70 that can be divided exactly by both 4 and 5 is 60
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A 21 21-inch candle burns down in 12 hours. At what rate does the candle burn, in inches per hour?
Answers
Answer:
1.75 inches per hour
Step-by-step explanation:
21/12=1.75
solve the system of equations
−4x+3y=−2
y=x−1
x =
y =
Answers
Step-by-step explanation:
So if you know y = x-1 you can plug that in where y is in the first equation
-4x + 3(x-1) = -2
Distribute the 3:
-4x +3x -3 = -2
Combine like terms:
-x -3 = -2
Add 3 to both sides:
-x = 1
Multiply by -1:
X = -1
Then you plug that into the other equation to get y=(-1)-1
Which is -2
The following table shows the number of points scored last basketball game by each player on the Dragons basketball team.
Player Number of points scored
Daniela 555
Isabella 888
Rafaela 111111
Beatriz 777
Kalin 99
FIND MAD
Answers
Answer:
\(1.6\) - written in \(2/12/2021\)
Step-by-step explanation:
The answer is \(1.6\) because, \(\frac{5+8+11+7+9}{5} = 8\) and \(8-5=3\), \(8-8=0\), \(11-8=3\), \(8-7=1\), and \(9-8=1\).
So use all the sums and you'll get this: \(\frac{3+0+3+1+1}{5} =1.6\)
This is exactly how I got the answer, I also did it on khan because I didn't trust the other person above me, and I got the same answer as him. So I did this to prove he's correct.
Answer:
7.4
Step-by-step explanation:
the h3n2 human influenza virus is a type of virus abundant in the seasonal flu. the data used in this question comes from a study performed here at csu in the department of biomedical sciences. in this study, 15 ferrets were randomly assigned to either receive a vaccine (treatment) or not (control). they waited 27 days for the vaccine to take effect, and then both groups were exposed to the h3n2 virus. their weights were taken before exposure and 5 days after exposure. their maximum temperature reached during those 5 days is also recorded. one symptom of h3n2 infection is increased body temperature. an effective vaccine should mitigate this symptom. the variables in this data set are:
Answers
The H3N2 human influenza virus is a type of virus abundant in the seasonal flu. In the study conducted at CSU in the Department of Biomedical Sciences, 15 ferrets were randomly assigned to either receive a vaccine (treatment) or not (control).
After 27 days, both groups were exposed to the H3N2 virus, and their weights were recorded before exposure and 5 days after exposure. Additionally, their maximum temperature reached during those 5 days was recorded. An effective vaccine should mitigate the symptom of increased body temperature, which is associated with H3N2 infection.
The variables in this data set include the ferrets' weight, maximum temperature reached, and treatment status (vaccine or control).
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Use a double integral to find the area of the region.
One loop of the rose r=9cos3θ
Answers
The area of the region enclosed by the curve r = 9cos(3θ) is (27/2)π.
What is integration?
In mathematics, and notably in calculus, integration is a fundamental notion. It is a mathematical process that seeks to determine a function's integral. The accumulation or total of all infinitesimally small changes in a quantity is represented by the integral.
To find the area of the region enclosed by the curve r = 9cos(3θ), we can set up a double integral in polar coordinates.
In polar coordinates, the area element is given by dA = r dr dθ. To determine the limits of integration, we need to find the values of θ where the curve intersects itself and encloses a region.
The polar curve r = 9cos(3θ) completes one loop for every 2π/3 radians, so we can integrate over the range 0 ≤ θ ≤ 2π/3. The corresponding limits for r can be determined by setting r = 0 and solving for θ.
At r = 0, we have:
0 = 9cos(3θ)
cos(3θ) = 0
The equation cos(3θ) = 0 has solutions at θ = π/6, π/2, 5π/6. These values divide the interval [0, 2π/3] into three subintervals.
Now we can set up the double integral:
Area = ∬R dA
Using polar coordinates, we have:
dA = r dr dθ
The limits of integration are:
0 ≤ r ≤ 9cos(3θ)
0 ≤ θ ≤ 2π/3
Thus, the double integral becomes:
Area = ∫[0 to 2π/3] ∫[0 to 9cos(3θ)] r dr dθ
Now we can evaluate this double integral:
Area = ∫[0 to 2π/3] (1/2)r² ∣[0 to 9cos(3θ)] dθ
Area = (1/2) ∫[0 to 2π/3] (81cos²(3θ)) dθ
Using the trigonometric identity cos²(3θ) = (1 + cos(6θ))/2, we can simplify further:
Area = (1/2) ∫[0 to 2π/3] (81/2)(1 + cos(6θ)) dθ
Area = (81/4) ∫[0 to 2π/3] (1 + cos(6θ)) dθ
Now we can integrate term by term:
Area = (81/4) [(θ + (1/6)sin(6θ)) ∣[0 to 2π/3]]
Area = (81/4) [(2π/3 + (1/6)sin(4π) - (1/6)sin(0))]
Simplifying further:
Area = (81/4) [(2π/3 + 0 - 0)]
Area = (81/4) (2π/3)
Area = (27/2)π
Therefore, the area of the region enclosed by the curve r = 9cos(3θ) is (27/2)π.
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Is (x+1) a factor of f(x) = x^4 - 3x^3 + 2x - 2?
Answers
Answer:
\(\text{Yes}\)Explanation:
According to the factor theorem, if we set x+1 to zero, the substitute the x value into the polynomial, if we get a value of zero, then x+1 is a factor of the polynomial, otherwise, it is not
We start by setting x+1 to zero:
\(\begin{gathered} \text{ x+1 = 0} \\ x\text{ = -1} \end{gathered}\)Substitute -1 into the polynomial:
\(\begin{gathered} f(-1)=-1^4-3(-1)^3+2(-1)-2 \\ f(-1)\text{ = 1+3-2-2} \\ f(-1)\text{ = 4-4} \\ f(-1)\text{ = 0} \end{gathered}\)This shows that (x+1) is a factor of the polynomial
Which pattern can we use to factor the expression? (x-1)2+(x-1)+4
Answers
Chord AC intersects chord BD at point P in circle Z.
AP=12 m
DP=5 m
PC=6 m
What is BP?
Enter your answer as a decimal in the box.
_______ m
Answers
The length of BP is 14.4 meters.
To find the length of BP, we can use the property that states that when two chords intersect inside a circle, the product of the segment lengths on one chord is equal to the product of the segment lengths on the other chord.
Using this property, we can set up the equation:
AP * PC = BP * DP
Substituting the given values:
12 m * 6 m = BP * 5 m
Simplifying:
72 m^2 = BP * 5 m
To solve for BP, divide both sides of the equation by 5 m:
72 m^2 / 5 m = BP
Simplifying:
14.4 m = BP
Therefore, the length of BP is 14.4 meters.
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oliver made 10% of his free throws over the season if he shot 160 free throws how many did he make
Answers
Answer:
16
Step-by-step explanation:
it is not 728728827632788763728 that is wrong it is 100 divided by 10 =10
160 divided by 10 =16
you want to obtain a sample to estimate a population mean age of the incoming fall term transfer students. based on previous evidence, you believe the population standard deviation is approximately . you would like to be 99% confident that your estimate is within 2.3 of the true population mean. how large of a sample size is required?
Answers
We need an approximate sample size of n = 122 to estimate the population means the age of the incoming fall term transfer students, with a population standard deviation of 5.4, a margin of error of 2.3, and a confidence level of 99%. Therefore, the answer is 122.
The formula for calculating the sample size, given the population standard deviation, the desired level of confidence, and the margin of error, is as follows:
n = (zα/2)² * σ² / E²
Where, α is the significance level, zα/2 is the z-score at the α/2 percentile of the standard normal distribution, σ is the population standard deviation, E is the margin of error
To calculate the sample size required to estimate the population means age of the incoming fall term transfer students, with a population standard deviation of 5.4, a margin of error of 2.3, and a confidence level of 99%, we can substitute these values in the formula:n = (zα/2)² x σ² / E²
Where α = 0.01 (since we want a 99% confidence level, we need to subtract 1 from 100 and convert it to a decimal)
E = 2.3σ = 5.4
Using a z-table or a calculator, we can find the z-score at the 0.005 level of the standard normal distribution. The z-score is approximately 2.576.
n = (2.576)² * (5.4)² / (2.3)²
n ≈ 121.28
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Abby loves riding Ferris wheels and
roller coasters. While visiting the Polk
County Fair, she first went on the
Ferris wheel 5 times and the roller
coaster 4 times, using a total of 26
tickets. Then, after taking a break and
having a snack, Abby went on the
Ferris wheel 5 times and the roller
coaster 3 times, using a total of 22
tickets. How many tickets does it take
to ride each attraction?
Answers
Answer:
ferris wheel: 2
roller coaster: 4
Step-by-step explanation:
Variables
y = ferris wheel tickets
x = roller coaster tickets
Two equations
5y + 4x = 26
5y + 3x = 22
Using Elimination (minus the top and bottom)
We get:
x = 4 (because 5y - 5y is zero, 4x - 3x is x, and 26 - 22 is 4)
Since the roller coaster price is know, you can sub it into any of the two equations and fine ferris wheel price.
5y + 3(4) = 22
5y + 12 = 22
5y = 10
y = 2
Therefore:
ferris wheel charges 2 tickets
roller coaster charges 4 tickets
Answer:
Step-by-step explanation:
Write a system of equations to describe the situation below, solve using elimination, and fill in the blanks.
Vince works in an amusement park and is helping decorate it with strands of lights. This morning, he used a total of 16 strands of lights to decorate 2 bushes and 1 tree. This afternoon, he strung lights on 3 bushes and 4 trees, using a total of 44 strands. Assuming that all bushes are decorated one way and all trees are decorated another, how many strands did Vince use on each?
Vince decorated every bush with
strands of lights and every tree with
strands.
francisco and meredith are 230 feet apart when they start walking toward one another. they are walking at the same speed, so whenever francisco travels some number of feet, meredith travels the same number of feet. let x x represent the number of feet francisco has traveled since he started walking toward meredith. write an expression in terms of x x that represents the number of feet francisco has walked toward meredith since they started walking. preview write an expression in terms of x x that represents the number of feet meredith has walked toward francisco since they started walking. preview write an expression in terms of x x that represents the total number of feet francisco and meredith have walked toward one another since they started walking. preview write an expression in terms of x x that represents the distance (in feet) between francisco and meredith. preview
Answers
The expressions are:
- Francisco's distance: x
- Meredith's distance: x
- Total distance: 2x
- Distance between Francisco and Meredith: 230 - 2x.
To answer your question, let's break it down into the different expressions:
1. The expression that represents the number of feet Francisco has walked toward Meredith since they started walking can be written as x.
2. The expression that represents the number of feet Meredith has walked toward Francisco since they started walking can also be written as x.
3. The expression that represents the total number of feet Francisco and Meredith have walked toward one another since they started walking can be written as x + x, which simplifies to 2x.
4. The expression that represents the distance between Francisco and Meredith can be written as 230 - (x + x), which simplifies to 230 - 2x.
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HELP MATCHING EACH PROPORTION WITH ITS SOLUTION
Answers
no puedo ver el problema
The day after the party, 1/2 of the cake remains. If 4 people share the rest of the cake equally, what fraction of the cake does each person get?
Answers
Answer:
1/8
Step-by-step explanation:
You're sectioning 1/4 in half, which makes it 1/8
Write the equation of the line passing through the points (15,2) and (-5,-2)
Answers
Answer:
In slope intercept form:
y= .2x -1
Step-by-step explanation:
You can find the slope by using the formula (y2-y1)/(x2-x1).
Then you get: (-2-2)/(-5-15) = -4/-20 = .2
.2 is your slope(m).
Plug this information into point slope form: y-y1 = m(x-x1)
y-2 = .2(x - 15)
Distribute the .2.
y-2 = .2x - 3
Rearrange the formula to isolate y.
y = .2x -1
-345-234
Show how you worked it out
Answers
Answer:
-579
Step-by-step explanation:
-345-234-345-234=-579 subtract numbers= -579Answer the photo below thanks
Answers
Answer:
D.
Step-by-step explanation:
3/6 = 30/60
Answer:
The answer is D
Step-by-step explanation:
3/6 = 30/60
If you divide the top and bottom of 30/60 by 10 you get 3/6
Hope that helps
in a random sample of 400 registered voters, 120 indicated they plan to vote for trump for president. determine a 95% confidence interval for the proportion of all the registered voters who will vote for trump.
Answers
The 95% confidence interval for the percentage of all eligible voters who intend to support Trump is (0.251, 0.349). If the true fraction does fall inside this range, we may say with 95% confidence.
We can use the following calculation to calculate a confidence interval for the percentage of all registered voters who intend to support Trump:
CI = p ± z\(\sqrt((p(1-p))/n)\)
where:
p is the proportion of the sample that will support Trump in the vote.
The critical value for the desired confidence level is z (95% confidence corresponds to a z-value of 1.96).
n is the sample size
When we enter the values from the issue, we get:
p = 120/400 = 0.3
z = 1.96
n = 400
CI = 0.3 ± 1.96sqrt((0.3(1-0.3))/400)
CI = 0.3 ± 0.049
CI = (0.251, 0.349)
Therefore, The 95% confidence interval for the percentage of all eligible voters who intend to support Trump is (0.251, 0.349). If the true fraction does fall inside this range, we may say with 95% confidence.
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PLEASE HELP DUE TONIGHT
find the value of x
Answers
Answer:
53
Step-by-step explanation:
9514 1404 393
Answer:
x = 53
Step-by-step explanation:
The two angles marked are parts of a right triangle. That means their sum is 90°:
(x -12)° +49° = 90°
x° +37° = 90° . . . . . . simplify
x° = 53° . . . . . . . . subtract 37°
x = 53 . . . . . . . . divide by °
2/3x+15=4
With explaination
Answers
2/3x=-11
2=3x*-11
2=-33x
2/-33=-33x/-33
x=-2/33
Given m<7=107 and m<4= (8x+1) what is the value of x?
Answers
The value of x comes out to be 9.
Here, we are given that m∠7 = 107 and m∠4 = (8x+1)
From the figure given below, we can see that angle 7 and angle 6 are vertically opposite angles. Thus-
angle 7 = angle 6
measure of angle 6 = 107°
Now, angle 6 and angle 4 are opposite interior angles and the sum of opposite interior angles is equal to 180. Thus-
m∠4 + m∠6 = 180
8x + 1 + 107 = 180
8x + 108 = 180
8x = 180 - 108
8x = 72
x = 72/8
x = 9
Thus, the value of x comes out to be 9.
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Your question was incomplete. Check for the missing figure below.
2. A mother is three times as old as her daughter.
In 12 years' time she will be twice as old as her daughter will be then.
How old is the mother no.w?
Answers
At the beginning the mother is 36 and the daughter is 12. Making her 3 times older. In 12 years the daughter would be 24 and the mother would be 48. Making her twice as old as her daughter
Answer:
The mother is 36 years now.Step-by-step explanation:
x - the age of the daugther now
3x - the age of the mother now
x + 12 - the age of the daugther in 12 years' time
3x + 12 - the age of the mother in 12 years' time
The mother will be twice as old as her daughter will be then:
3x + 12 = 2·(x + 12)
3x + 12 = 2x + 24 {subtract 2x from both sides}
x + 12 = 24 {subtract 12 from both sides}
x = 12 (the age of the daughter now)
3x = 3·12 = 36
625=5^(7x-3) what is x
Answers
\(625=5^{7x-3}\implies 5^4=5^{7x-3}\implies 4=7x-3 \\\\\\ 7=7x\implies \cfrac{7}{7}=x\implies 1=x\)
The variance of a group of scores is 9. What is the standard deviation? a) 3 b) 4.5 c) 81
Answers
The standard deviation is the square root of the variance. Therefore, in this case, the standard deviation is the square root of 9, which is equal to 3. So the answer is a) 3.
The standard deviation is a statistical measure of how far a set of data values deviates from the mean (average) of the data set. It assesses how dispersed the data is in relation to the mean. In other words, it informs us how far the individual data points depart from the data set's average. A large standard deviation implies that the data is widely dispersed from the mean, whereas a small standard deviation suggests that the data is tightly grouped around the mean. Standard deviation is symbolised by the symbol σ for the population and s for a sample. It is widely used to analyze and understand data in a variety of domains, including finance, economics, physics, biology, and social sciences.
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Help please!!! I’ll give brainliest!!
Answers
Answer:
g= -9
Step-by-step explanation:
Given r(x) =x' - 4x2 + 4x - 6, find the value of r(2). What does your answer tell you about x - 2 as a factor of r(x)? Explain.
Answers
We can conclude that the value of r(2) which is -6 and x - 2 is not the factor for r(x).
What is Factor?A function that accepts a real number as input, typically represented by the variable x and outputs another real number, typically the value of the function denoted by f is known as a real-valued function of a real variable (x).Any polynomial that is divisible by the polynomial P(x) is a factor of that polynomial (x).So, we know that the equation is:
r(x)=x^3-4x^2+4x-6:Now, calculate the equation when x = 2.
r(2)=2^3-4(2)^2+4(2)-6r(2)=8-16+8-6r(2)=-6Now, we can conclude that:
As we see that x=2 is not equal to zero.Implies x-2 does not divide r(x) evenly.Thus x-2 is not a factor of given r(x).Therefore, we can conclude that the value of r(2) which is -6 and x - 2 is not the factor for r(x).
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Find the slope:
(2, 18), (4, 28)
Answers
Answer: Okay, I can find the slope, the answer is m=5.
Step-by-step explanation: To find the slope, use this formula:\(m=\frac{rise}{run}=\frac{y_{2}-y_{1} }{x_{2}-x_{1} }\). Please mark me as brainliest.
The slope as evaluated from the given pair of points is; Slope, m = 5.
Slope of given PointsThe slope of a line defined by two points simply refers to the rate of change of the function given by the line.
Hence, slope, m = (28 -18)/(4 -2)
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Convertir 1 milla a metros
Answers
Answer: 1 mile=1609.34 meters
Step-by-step explanation:
Multiply the mile amount by 1609.
Jen deposited $750 in her savings account. The account earns 2% simple interest per year. She has the money in her account for 2 years. How much money did she earn in simple interest?
Answers
Answer:
30.00
Step-by-step explanation: