what is the oxidation number of arsenic in chromium(III) arsenate?

Pressure treated lumber contains a compound with the molecular formula CrAsO₄. Given that this compound contains a Cr(III) cation, what is the oxidation number of arsenic in chromium(III)... more

Describe the interval(s) on which the function is continuous. (Enter your answer using interval notation.)

Describe the interval(s) on which the function is continuous. (Enter your answer using interval notation.)f(x)=x+5/sq root xPlease find the answer because I have been trying on this one and I can't... more

Please find the answer to the question

Find d2y/dx2 implicitly in terms of x and y.x2y − 2x = 8d2y/dx2 =?Please find the answer and make it clear, please.

3d

walnut and cashew mix

how many pounds of walnuts that cost $.80/lb must be mixed with 8 lbs of cashews that cost $1.25/lb to make a mixture of nuts that cost $1.00/lb??

Using Green’s Theorem to evaluate

Use Green’s Theorem to evaluate∮C(x − 2y2) dx + (y4 + 2xy) dy where C consists of the line segmentfrom (0, 2) to (0, 4), followed by the curve with parametric equations x = 4 cos t, y = 4 sin t... more

Fundamental Theorem for Line Integrals

Find the work done in moving a particle along a curve from point A(1, 0, −1) to B(2, 2, −3) via the conservative force field ~F (x, y, z) = 〈2y3 − 6xz, 6xy3 − 4y, 4 − 3x2〉. (a) using the... more

What is the value of Q and what is the concentration of the Ni2+ ions?

You have a battery composed of the following reaction:Ni(s) + 2 Ag+(aq) → Ni2+(aq) + 2 Ag(s), Ecellº=1.03 V, n = 2 e- If you want to make a cell with an operating potential of 1.05 V, what is the... more

Calculate the operating potential of the battery produced

While working in the lab, a student was designing a battery using the reaction below:Ni(s) + 2 Ag+(aq) → Ni2+(aq) + 2 Ag(s), Ecello=1.03 V, n = 2 e- They wanted to produce a cell with an operating... more

8.25 for 1 1/2 pounds of coffee beans

Solve the equations from parts a and b.

Find the dimensions of a rectangle given that its perimeter is 80 cm and its length is 1 cm more than twice its width. Set up your solution using the variables L for the length, W for the width,... more

Find PM and MQ, given that M is the midpoint of the segment.

|-‐-----------------------------22----------------------------|●----------------|-------------●-‐--‐----‐---|-------------●P. M. Q. ... more

Why write by hand when typing can be faster?

Why do more work than you have to?

The radius r of a circle is increasing at a rate of 3 centimeters per minute. Find the rate of change of the area when r = 38 centimeters.

The radius r of a circle is increasing at a rate of 3 centimeters per minute. Find the rate of change of the area when r = 38 centimeters.Answer?

Zumdahl chemistry Ch. 5.4

Given reaction 2NH3(g) + 3Cl2(g)  N2(g) + 6HCl(g), you react 5.0 L of NH3 with 5.0 L ofCl2 measured at the same conditions in a closed container. Calculate the ratio of pressures inthe container... more

3d

You start at (-2, 5). You move down 1 unit and left 2 units. Where do you end?

please help me i need to get this done for school

find all values of c in the open interval (a, b) such that f '(c) = 0. (Enter your answers as a comma-separated list.

find all values of c in the open interval (a, b) such that f '(c) = 0.(Enter your answers as a comma-separated list.f(x) = (x − 3)(x − 8)(x − 9),    [3, 9]C=?Please find the answer so I can see... more

3d

how many solutions does this problem have

−6(x+7)=−4x−2

Calculate the pH of the titration mixture after mL of base added

A 25.0 mL sample of a  0.100 M  solution of acetic acid is titrated with a  0.125 M  solution of NaOH. Calculate the pH of the titration mixture after 10.0, 20.0, and 30.0 mL of base have been... more

I don't know how to solve this question. Help me out please.

A rectangle has perimeter 80 cm and its length is 1 cm more than twice its width. Find the dimensions of a rectangle given that its perimeter is  80 cm and its length is 1  cm more than twice its... more

Still looking for help? Get the right answer, fast.

Ask a question for free

Get a free answer to a quick problem.
Most questions answered within 4 hours.

OR

Find an Online Tutor Now

Choose an expert and meet online. No packages or subscriptions, pay only for the time you need.