10/08/23

calculate the heat energy produced by the combustion of one kilogram of methane
Methane is the main component of natural gas. Using the given reaction enthalpy, calculate the heat energy produced by the combustion of one kilogram of methane.CH4 (g)+2O2 (g)⟶CO2 (g)+2H2O (l) ... more
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10/08/23

What is the heat of reaction? Δ𝐻= ? kJ/mol

Δ𝐻= ? kJ/mol
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10/08/23

At what temperature does specifying Celsius or Fahrenheit not matter?
There is a specific temperature, where if you had a Celsius and a Fahrenheit thermometer, the values on both thermometers would read the same numerical value. Determine the temperature this occurs... more
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10/08/23

what additional radical force is necessary to prevent a race car from drifting on the curve at 175 mi/h?
an engineer wants to design an oval racetrack such that 3.20e3 lb race cars can round the exactly 1000 ft radius turns at 95 mi/h without the aid of friction. she estimates that the cars will wound... more
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10/07/23

Find the derivative of the function s(t) = √1+sin(t) / 1+cos(t) using the chain rule. s'(t) = ?
Find the derivative of the function s(t) = √1+sin(t) / 1+cos(t) using the chain rule. s'(t) = ?*the square root covers both the numerator and the denominator*
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10/07/23

Find the implicited derivative

dy/dx=5y^2/1-5xy Find the implicit differentiation to find the second derivative of y with the respect to x. d^2y/dx^2 = ?
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10/07/23

Logarithmic function of table
How do I find the logarithmic function of a table with the below data? Demand (D) Price of One Shirt(P) 152 2300 159 2000 164 1700 171 1500 176 1300 180 1200 189 1000
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10/07/23

In this question we show that certain sets are not convex.

In this question, we show that certain sets are not convex.For each of the following sets, give the coordinates of two points P and Q which are in the set, but the line from P to Q goes outside the... more
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10/07/23

Implicit Derivatives

The equation given is ln(8y)=5xy . Find dy/dx Then d^2y/dx^2. Also find the point on the curve where d^2y/dx^2=0 point (x,y).
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10/07/23

Physics Motion on an incline
A block starts sliding up an incline with an initial velocity of v0 = 4 m/s, as shown.If the angle of the inclined plane, � = 15 degrees, and the coefficient of kinetic friction between the block... more
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10/06/23

Calculus Homework
Find the derivative of the function below. (a) f(x)= (sqrt x^2-9^sec^-1 x)f'(x)=(b) y=12x sin^-1 x+(sqrt 9-x^2)dy/dx=
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10/06/23

In the laboratory a student finds that it takes 169 J to increase the temperature of 14.3 g of gaseous oxygen from 22.9 to 36.6 °C.
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10/06/23

Calculus Homework

a) Find (f^-1)'(a).f(x)=x^3+3sinx+2cosx, a=2 b)lim x->infinity [ln(1+x^2)-ln(1+x)]
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10/06/23

Use implicit differentiation to find the derivative of: Write the solution of each number

10. sech2x + csch2y = 10ans. y' = tanh3x - tanh x / coth³y - coth y
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10/06/23

Use implicit and/or logarithmic differentiation to find the derivative y' of: Write the solution of each number

9. x = ln(x+y+1)ans. y' = x + y
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10/06/23

Find the indicated nth derivative of the following. Write the solution of each number

7. 2nd derivative of y = In|cscθ - cotθ|ans. y" = - cscθ cotθ
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10/06/23

Evaluate the indefinite integral
(a) Evaluate the indefinite integral ∫1/u(1+u) du Hint: 1/u(1 + u) = 1 + u − u /u(1 + u) .(b) Using a substitution, and your answer in part (a), evaluate the indefinite integral ∫ 1/(1+ e^x) dx
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10/06/23

Find x if m<DEG = 8x-5, m<DEF = 29x, and m<GEF = 21x+5.
its my first time learning geometry, so if you guys can help it'll be great.
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10/06/23

Turnover Number Calculation! New topic to me! Very lost!
You do an enzyme kinetic experiment and calculate a Vmax of 145 μmol per minute. If each assay used 0.20 mL of an enzyme solution that had a concentration of 0.20 mg/mL, what would be the turnover... more
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10/06/23

Km and Vmax and Turnover calculations! Very confused please help!
For an enzymatically catalyzed reaction in which the measured values for KM and Vmax are, respectively, 15.1 mM and 0.715 mM min-1, what is the value of the turnover number? The concentration of... more
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10/06/23

Need help with vector question about calculating magnitude of total displacement
On a bike ride you ride east at 10 miles/hour for 20 minutes then ride north at 11 miles/hour for 30 minutes and then ride southwest (45o west of south) at 22 miles/hour for 15 minutesCalculate the... more
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10/05/23

Need help finding maximum force
 A 3 kg box is sitting atop a 4 kg box on level ground. You begin pushing horizontally on the bottom 4 kg box to start the stack moving. The coefficients of friction between also surfaces... more
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10/05/23

a bicycle has a diameter of 648 mm and has 36 equally spaced spokes what is the approximate arc length
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10/05/23

Find four consecutive integers such that 8 times the sum of the first and the third is 40 greater than 10 times the fourth.
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10/05/23

Write the equation of the transformed graph of sine with period that has been shifted horizontally to the right 5 units, has an amplitude of 3, and has been flipped across the x-axis. (3 points)
 Write the equation of the transformed graph of sine with period that has been shifted horizontally to the right 5 units, has an amplitude of 3, and has been flipped across the x-axis. (3 points)
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