08/03/24

How to use implicit differentiation on a trignometric and natural logarithm equation to find dy/dx
For sin xy + cos y + x2 = e^(x2) + ln x, how can I use implicit differentiation to find dy/dx ?
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05/22/24

Need help to solve pulley problem
A massive, frictionless pulley consists of two 310 g solid disks with 3.8 cm radii connected by a lightweight axel with a 2 cm radius. A string is wound around the axel of the pulley and attached... more
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03/10/24

Chemistry 111: Enthalpy change

1.      Consider the following reaction:2 CH4(g) + O2(g)   à   2CH3OH(g) DH=-252.8 kJ Is this reaction exothermic or endothermic? Calculate the amount of heat transferred when 35.0 g of CH4(g) is... more
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03/08/24

calculating the pH
Find the pH and [OH-] of a 3.5 x 10-6 solution of H3PO4.
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03/02/24

Reaction Mechanisms

Consider the following elementary steps. Step 1: A  ⇌ C (--> is k1, <--- is k-1) Step 2: C+B --> D (--> is k2)Assume that both reaction have similar rates. That is, no... more
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02/28/24

A 2.50 L vessel is injected with 5.42 mols of C2H6, 8.90 mols of O2, 6.14 mols of H2O, and 2.67 mols of CO2.

A 2.50 L vessel is injected with 5.42 mols of C2H6, 8.90 mols of O2, 6.14 mols of H2O, and 2.67 mols of CO2. Set up but do not solve the equation to find equilibrium concentrations if Kc for this... more
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08/25/23

A ball is thrown horizontal y from the roof of a building 75m tall with a speed of 4.6 m/s. What is the velocity of the ball just before it hits the ground.
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01/04/23

What is the inductive effect?
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12/17/22

Basic Algebra Solve for x
Can someone provide the full steps solving for x:2x^3 + 3x^2 -7 = 0I'm looking to find the domain of the function and have computed from my calculator x= 1.149376...So I know domain is (-infinity,... more
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12/17/22

write an equation in slope-intercept form for the line that passes through the given point and is parallel to the graph of the equation. (3,-2); y=x+4
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12/16/22

Upton Chuck is riding the Giant Drop at Great America. If Upton free falls for 2.60 seconds, what will be his final velocity and how far will he fall?
Acceleration due to gravity on Earth is 9.81 m/s2. This means that any object on Earth in "free fall" will have an acceleration of 9.81 m/s2. Also, objects in free fall have an initial velocity of... more
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12/01/22

A basketball with a mass of 0.61 kg falls vertically to the floor where it hits with a velocity of −5 m/s.

A basketball with a mass of 0.61 kg falls vertically to the floor where it hits with a velocity of −5 m/s. (We take the positive direction to be upward here.) The ball rebounds, leaving the floor... more
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11/10/22

(3,3),(-1,2),(4,-5) reflect over y=-3
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11/10/22

The side length of a cube can be represented by the expression 2x^5. If the side length is doubled wirite an expression to represent the new volume of the cube
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11/10/22

Determine if the following salt is neutral, acidic or basic. If acidic or basic, write the appropriate equilibrium equation for the acid or base that exists whe (CH₃)₂NH₂ClO₄
Determine if the following salt is neutral, acidic or basic. If acidic or basic, write the appropriate equilibrium equation for the acid or base that exists when the salt is dissolved in aqueous... more
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11/09/22

Vertex (1,3) point (2,5)
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11/09/22

Calculate the chloride ion (Cl−) concentration for a 0.424 M MgCl2 solution.
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11/09/22

calculate the horizontal force needed to make a 3.8 kg baseball accelerate at a 641m/s^2
this problem is from a worksheet and need help solving itanswer the problem using one of this equations (F=ma) and (W=mg)
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07/22/22

Carbon disulfide is prepared by reacting carbon w/ sulfur dioxide according to 5C + 2SO2 → CS2 + 4CO. 7.5 g of carbon react with 7.5 g if Sulfur dioxide, how many gram of CS2 are produced
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07/22/22

If two moles of each reactant are available for the reaction described by the following equation, SiO2 (s) + 3 C (s) --> SiC (s) + 2 CO (g) , is the substance that is the limiting reactant. Show work
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07/21/22

Chemistry Help Please
Consider 6.07 L of a gas at 303.9 mmHg and 20.0 ºC . If the container is compressed to 2.41 L and the temperature is increased to 55.8 ºC , what is the new pressure inside the container? Assume no... more
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07/16/22

Chemistry 102: Acid Equilibrium: Net Equation
When a strong base is added to a solution of CuSO4, which is pale blue, a precipitate forms and the solution above the precipitate is colorless.What is the net chemical equation that describes this... more
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07/16/22

What mass of titanium can be made from 125 g of titanium(IV) chloride?
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07/16/22

What are the magnitude and direction of electric field midway between these two charges? (k = 1/4πε0 = 9.0 × 109 N • m2/C2)
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07/05/22

A sample of a gas occupies a volume of 27.8 L at 29 ºC and 720 . torr. What will be the new volume if the temperature increases to 64 ºC and the pressure decreases to 465 torr?
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