A sample of nitrogen gas reacts with an excess of hydrogen gas to give an actual yield of 20.28 g nh3. the theoretical yield is 27.368
what is the percent yield for this reaction?

n2(g) + 3h2(g)
2 nh3 (8)

Answer:

ok it is 100%

Step-by-step explanation:

so dont listen to me i just want to earn point lol

isomorphism, in modern algebra, a one-to-one correspondence (mapping) between two sets that preserves binary relationships between elements of the sets.

An isomorphism is a homomorphism that admits an inverse. A homomorphism is a structure-preserving map between two algebraic structures i.e. a transformation of one set into another that preserves in the second set the relations between elements of the first.

2. We have T: R2x2 → R2x2  such that T (M) = 7M.

Let M and N be two arbitrary elements of R2x2   and let α be an arbitrary scalar. Then T(M + N) = 7(M+N) = 7M + 7N = T(M) + T(N) . Thus T is closed under addition. Further, T (α M)  = 7(α M) = α (&M) = α T(M). Therefore, T is closed under scalar multiplication also and hence T is a linear transformation.

Im (T) = { T(M) : M Є R2x2 } = { 7M : M Є R2x2 } ; Ker(T) = { M Є R2x2 : T(M) = 0 } = { M Є R2x2 : 7M = 0 } = {0}. Thus Ket (T) is the 2 x 2 zero matrix.

Further, T (M) = 7M so that T(1/7M) = M and hence T-1 (M) = 1/7 M . Thus T is invertible and hence T is an isomorphism.

4. T(M) = det (M)

 Let M and N be two arbitrary elements of R2x2 . Then T (M+ N) = det (M + N) ≠ det (M) + Det (N) . Thus,         T (M+N) ≠ T(M) + T(N). Therefore, T is not closed under addition and, therefore, T is not a linear transformation.

8.T(M)= [ 1  2 ]    M  = AM ( say) where, A =  [ 1  2 ]

            [ 3  4 ]                                            [ 3  4 ]

Then T (M + N) = A(M+N)  = AM + AN =T(M) + T(N) . Thus T is closed under addition. Also, T (α M)  =   A (α M)  = α (A M)  = α T(M)  . Thus T is also closed under scalar multiplication and therefore, T is a linear transformation.

Im (T) = { T(M) : M Є R2x2 } = { AM : M Є R2x2 } ; Ker(T) = { M Є R2x2 : T(M) = 0 } = { M Є R2x2 : AM = 0 } = {0}. As A is not a zero matrix.

Further, T(M) = AM so that T(A-1 M) = A-1 (AM) = (A-1A)M = IM = M . Also A-1 = [ -2      1 ]

                                                                                                                     [3/2  - ½ ]

Thus  T-1 (M) = A-1M and thus T is invertible and therefore, an isomorphism.

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Complete question:- Find out which of the transfomration are linear. For those that are linear, determine whether they are isomorhpisms t(m)

Answer:

20,34

Step-by-step explanation:

Let the two numbers bw a,b

Their sum is 54

a+b=54⋯(1)

Their difference is 14

a−b=14⋯(2)

(1)+(2)

2a=68

a=34⟹34+b=54

b=54−34=20

Answer
34 and 20.

Step-by-step explanation:

34+20 is equal to 54.
34-20 is equal to 14.
I hope this helps! :)

Answer:

Side e = 5.7

Step-by-step explanation:

Given

d = 10

f = 7

<E = 34°

Required

Calculate length of side e

This can be calculated using law of cosine as follows;

e² = d² + f² - 2 * d * f * Cos(<E)

Substitute 10 for d, 7 for f and 34 for <E. This gives

e² = 10² + 7² - 2 * 10 * 7 * cos34

e² = 100 + 49 - 140 * cos34

e² = 100 + 49 - 140 * 0.8290

e² = 100 + 49 - 116.06

e² = 32.94

Take Square Root of both sides

e = √32.94

e = 5.7 (Approximated)

Answer:

The factors of 15 are as follows - 1, 3, 5 and 15

Step-by-step explanation:

Factors are numbers that divides another number, leaving no remainder

Answer:

Step-by-step explanation:

\( - 1 | \frac{2}{3} - 4| \div \frac{5}{6} \\ - 1 | \frac{2}{3} - \frac{4 \times 3}{1 \times 3} | \div \frac{5}{6} \\ - 1 | \frac{2 - 12}{3} | \div \frac{5}{6} \\ - 1 | \frac{ - 10}{3} | \div \frac{5}{6} \\ \frac{10}{3} \div \frac{5}{6} \\ \frac{10}{3} \times \frac{6}{5} \\ \frac{2}{1} \times \frac{2}{1} = 4 \)

To convert tablespoon to grams, you need to know the density of the substance and use a conversion factor to multiply the number of tablespoons by the density in grams per tablespoon.

To convert tablespoon (tbsp) to grams (g), you need to know the density of the substance you are measuring.

For example, 1 tablespoon of water weighs approximately 15 grams. However, the weight of 1 tablespoon of a different substance, such as flour or sugar, would be different because their densities are different.

Therefore, you need to look up the density of the substance you are measuring and use a conversion factor to convert tablespoons to grams. The conversion factor will be the density of the substance measured in grams per tablespoon.

Then, to convert tablespoons to grams, multiply the number of tablespoons by the conversion factor. The result will be the weight of the substance in grams.

Here's an example of how to convert tablespoons to grams using a conversion factor:

Suppose you need to convert 3 tablespoons of sugar to grams. The density of sugar is approximately 12.5 grams per tablespoon. To convert tablespoons to grams, you would multiply the number of tablespoons by the conversion factor (density in grams per tablespoon):

3 tbsp * 12.5 g/tbsp = 37.5 grams

Therefore, 3 tablespoons of sugar is equivalent to 37.5 grams of sugar.

It's important to note that the density of a substance can vary depending on various factors such as temperature, pressure, and moisture content. Therefore, it's important to use a reliable source for the density of the substance you are measuring.

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Answer:

No habla engles

Step-by-step explanation:

Answer:

x = - 6, x = 4

Step-by-step explanation:

Given

x² + 2x - 24 = 0

Consider the factors of the constant term (- 24) which sum to give the coefficient of the x- term (+ 2)

The factors are + 6 and - 4 , since

6 × - 4 = - 24 and 6 - 4 = + 2 , then

x² + 2x - 24 = (x + 6)(x - 4) = 0 ← in factored form

Equate each factor to zero and solve for x

x + 6 = 0 ⇒ x = - 6

x - 4 = 0 ⇒ x = 4

To implement the function ar{x_0}ar{x_1} + x_0x_1 using an 8:1 multiplexer (mux) with inputs x_2 - x_0 and connections to power and ground, you would connect x_0 to select2, x_1 to select1, and x_2 to select0. Connect power to the select input, and ground to the remaining select inputs.

In a multiplexer, the select inputs determine which input is routed to the output. In this case, we want to implement the function ar{x_0}ar{x_1} + x_0x_1. The select inputs of the mux need to be set such that the desired function is achieved.

To connect the inputs of the mux, we start by connecting x_0, the least significant bit (LSB) of the function, to the select input select2. This means that when select2 is low (0), x_0 will be selected as the output. Next, we connect x_1, the middle bit of the function, to the select input select1. When select1 is low (0), x_1 will be selected as the output.

Finally, we connect x_2, the most significant bit (MSB) of the function, to the select input select0. When select0 is low (0), x_2 will be selected as the output. This configuration ensures that the function ar{x_0}ar{x_1} + x_0x_1 is implemented correctly.

Additionally, it's important to connect power to the select input to ensure proper functioning of the multiplexer. The select inputs need a valid voltage level to work correctly, and connecting them to a power source (usually labeled VCC) ensures this. Ground, which is typically labeled GND, should be connected to the remaining select inputs to complete the circuit and provide a reference voltage level.

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I can help you with that problem i just did that on my own.

Answer:

There lots of possible ways: here are some answers

219 + 348 = 567

218 + 349 = 567

129 + 357 = 486

127 + 359 = 486

271 + 593 =864

128 + 367 = 495

281 + 673 = 954

127 + 368 = 495

271 + 683 = 954

there are  more answers....

Hope this helps

Answer:

Step-by-step explanation:

From the given question.

We can write the null hypothesis & the alternative hypothesis as:

Null hypothesis:

\(\mathbf{H_o: \mu \leq 6}\)

Alternative hypothesis:

\(\mathbf{H_{a}:\mu >6}\)

From above, let's think about the type I error we could make and the type II error we could make.

Type I error:

The type I error at the null hypothesis showcases that the snow level is at 6 inches or below 6 inches, but we falsely concluded that the snow level is high above sea level.

Type II error:

Here, the snow level is literally above 6 inches, hence, we failed to conclude that the snow level is above 6 inches.

Thus, the consequences of the above analysis showcase that type II error has higher severe consequences because it may result in a situation that may endanger the passengers' safety.

Answer:

The explicit formula of that sequence is T - 5

Step-by-step explanation:

Let T represent each term in the sequence. So now try replacing T with each term in the sequence. Like this ;

7 - 5 = 2

2 - 5 = -3

-3 - 5 = -8

hope this helps

Answer:

PQRS → P'Q'R'S'

Hope this helps you.

Answer:

ON YOUR ANSWER CHOICE IT WOULD BE THE LAST ONE

Step-by-step explanation:

HOPE YOU GET IT RIGHT MATE

A relation that assigns to each element x from a set of inputs, or domain, exactly one element y in a set of outputs, or range, is called a  function.

This is further explained below.

Generally, A mathematical function from set X to set Y gives each element of X a unique value in Y. The set X is known as the function's domain and the set Y is its codomain. The original function was a simplification of the relationship between two variables.

In conclusion, A relation is said to be a function if it assigns precisely one element y from a set of outputs to each and every one of the domain's inputs.

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Answer:

x = 7/8

y = -7

wont let me answer unless I write more

The y-intercept of the equation y = 8x - 7 is -7.

The equation of a line is given by:

y = mx + c

where m is the slope of the line and c is the y-intercept.

Example:

The slope of the line y = 2x + 3 is 2.

The slope of a line that passes through (1, 2) and (2, 3) is 1.

We have,

y = 8x - 7

This is in the form of y = mx + c

So,

c = -7

And,

c = -7 is the y-intercept.

Thus,

The y-intercept of the equation y = 8x - 7 is -7.

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Answer:

In explanation below.

Step-by-step explanation:

Presumably, the proof you have in mind is to use a=b=2–√a=b=2 if 2–√2√22 is rational, and otherwise use a=2–√2√a=22 and b=2–√b=2. The non-constructivity here is that, unless you know some deeper number theory than just irrationality of 2–√2, you won't know which of the two cases in the proof actually occurs, so you won't be able to give aa explicitly, say by writing a decimal approximation.

Answer:

9.6 = BC

Step-by-step explanation:

Since this is a right triangle, we can use trig functions

tan theta = opposite/ adjacent

tan 58 = BC / 6

Multiply each side by 6

6 tan 58 = BC

9.602007174 =BC

Round to the nearest tenth

9.6 = BC

Answer:

BC= 9.6

Hope it helps :)

Answer:

Lisa's text average is 86 :))

Step-by-step explanation:

add all numbers up then divide them by 3.

The energy in an 871 KJ cup of yogurt will last for 18.71 minutes .

In the question ,

it is given that ,

efficiency is = 20% = 0.20 .

the rate of work is 155W ,

we know that Efficiency = \(\frac{E_{obtain} }{E_{consumed} }\)

substituting the values ,  

we get ,

\(E_{consumed}\) = 155/0.20

= 775 J/sec .

This means that for work of 155W it require to consume energy at the rate of 775 J/sec .

we know that the formula for time , energy and rate  is

Time  = Energy/Rate

time = 871000/775

= 1123 seconds

= 18.71 minutes

Therefore , The energy in the yogurt will last for 18.71 minutes .

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is this multiple choice? it seems some of it is cut off.

Answer:

Correct answer is 1/4

Hope this helps!!

Step-by-step explanation:

The optimal weekly stocking level for avocados can be found by using the Economic Order Quantity (EOQ) formula. Thus, the new ROP would be 97.

The formula is given as: EOQ = sqrt(2DS/H), where

D = Annual demand (52 weeks × 200 avocados) = 10,400S

Cost of stockout = $4.50H

Cost of excess = $1.25Using the given values,

EOQ = sqrt(2 × 10,400 × 4.5/1.25)

EOQ = 381.75 ≈ 382

Thus, the optimal weekly stocking level for avocados is 382.

b)To find the Reorder Point (ROP), we need to use the formula ROP = dL + zσL

where, d = Average demand during the lead time

L = Lead time

z = Z value corresponding to the required service level

σL = Standard deviation of demand during lead time

From the given data, Average demand during the lead time is: dL = 45 × 2 = 90

Since the manager will accept no more than an 8% risk of stockout during lead time, the Z value corresponding to the required service level is 1.28 (as per the standard normal distribution table).

The standard deviation of demand during lead time is: σL = √(2.75² × 2) = 3.89

Thus, 1. The value of Z is 1.28. 2. The Reorder Point (ROP) can be calculated as: ROP = dL + zσL

ROP = 90 + 1.28 × 3.89

ROP = 95.01 ≈ 953

If acceptable risk were to go down to 5%, the new Z value corresponding to the required service level would be 1.64 (as per the standard normal distribution table).

Using this value in the formula for ROP, the new ROP can be calculated as:

ROP = dL + zσL

ROP = 90 + 1.64 × 3.89

ROP = 96.37 ≈ 97

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The sample points in event E are 1, 3, 5, 7, and 9.

The outcome of some experiments cannot be predicted before they have been performed. There is a well-defined procedure that produces an observable outcome and it is known as a random experiment. These experiments can be repeated several times under similar conditions.

Our experiment is to choose a number between 1 and 10. The numbers between 1 and 10 are 1, 2, 3, 4, 5, 6, 7, 8, 9, and 10. So, the total number of outcomes is 10.  

An event is the set of specific outcomes of a random experiment. The event in this case is to choose an odd number out of those 10 outcomes.

E = Odd number chosen

Odd numbers from 1 to 10 are 1, 3, 5, 7, and 9. So, there are a total of 5 sample points in event E.

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Answer:

hich number line shows the solution set for StartAbsoluteValue StartFraction s Over 2 EndFraction + 4 EndAbsoluteValue less-than 2.? A number line going from negative 14 to positive 10. Open circles are at negative 12 and negative 4. Everything between the points is shaded. A number line going from negative 14 to positive 10. Open circles are at negative 12 and negative 4. Everything to the left of negative 12 and to the right of negative 4 is shaded. A number line going from negative 14 to positive 10. Closed circles are at negative 4 and positive 4. Everything to the left of negative 4 and to the right of positive 4 is shaded. A number line going from negative 14 to positive 10. Closed circles are at negative 4 and positive 4. Everything between the points is shaded.

Step-by-step explanation:

Answer:

GRAPH C

Step-by-step explanation:

Answer:

Answer is C

(-2,3)

Step-by-step explanation:

Answer:

(-8, 18)

Step-by-step explanation:

To solve this system of equations using elimination, we want to eliminate one of the variables by adding or subtracting the two equations.

One way to do this is to multiply the second equation by a constant that will make the coefficient of x the same as in the first equation. In this case, we can multiply the second equation by -5, which will give us:

-15x - 10y = -60

Now we can add this equation to the first equation:

5x + 2y = -4

-15x - 10y = -60

-10x - 8y = -64

Dividing both sides by -2, we get:

5x + 4y = 32

Now we have one equation with only x and y, so we can solve for either variable.

Let's solve for y by subtracting 5x from both sides:

5x + 4y = 32

-5x = -5x

4y = 32 - 5x

Dividing both sides by 4, we get:

y = (32 - 5x) / 4

Now we can substitute this expression for y into one of the original equations to solve for x. Let's use the first equation:

5x + 2y = -4

5x + 2[(32 - 5x) / 4] = -4

Multiplying both sides by 4, we get:

20x + 2(32 - 5x) = -16

Simplifying, we get:

20x + 64 - 10x = -16

10x = -80

x = -8

Now we can substitute this value of x into either of the equations to solve for y. Let's use the first equation again:

5x + 2y = -4

5(-8) + 2y = -4

-40 + 2y = -4

2y = 36

y = 18

Therefore, the solution to the system of equations is (x, y) = (-8, 18).

Answer:

115.6 minutes were used during the day time rounded to nearest 10 is 116  

Step-by-step explanation: