Ross

This page lists questions and answers that were posted by visitors named Ross.

Questions

The following questions were asked by visitors named Ross.

I am researching about why water is blue. I am wondering why is the water in the Caribbean bluer that that of the North Atlantic? Thank you for using the Jiskha Homework Help Forum. This is an interesting question and here are some sites to explain it: ht...

I wanted to now what is the molecular geometry of SeBr4, because I believe is a trigonal bipyramid...but I am not sure...please help me.... I thought it was a see-saw shape. See http://www.stolaf.edu/depts/chemistry/mo/struc/explore.htm You can see SeF4,...

What is the theme of the Medusa myth?

To clean a clogged drain, 26 g of sodium hydroxide is added to water to make 150 mL of solution. What are the pH and pOH values for the solution?

In a titration, how many millilitres of 0.23 mol/L NaOH(aq) must be added to 11 mL of 0.18 mol/L HI(aq) to reach the equivalence point?

For the titration of 20.0 mL of 0.1500 mol/L NH3(aq) with 0.1500 mol/L HI(aq)(the titrant), calculate a) the pH before any HI(aq) is added b) the pH at the equivalence point

Please calculate the pH and [H+] of a 0.30 mol/L solution of butanoic acid,. The Ka of butanoic acid is 1.52 x 10^-5

Strychnine, C21H22N2O2(aq) is a weak base but a powerful poison. Calculate the pH of a 0.001 mol/L solution of strychnine. The Kb of strychnine is 1.0 x 10^-6 My work: I called Strychnine SN SN + HOH --> SNH+ + OH- Kb = (SNH+)(OH-)/(SN) (SNH+) = x (OH-) =...

Calculate the pH of the following aqueous solutions: 1.00 mol/L sulfuric acid H+ = 1.00 M for the first ionization THe second one is guided by K2 K2 = (H+)(HSO4-)/(HSO4-) Plugging in K2 as follows: H+ = 1.00 + x SO4- = x HSO4= 1.00 - x Can someone please...

how do I write the time in three different ways for 3:50

Good evening ~ I have 2 questions. Kelsey was assigned math homework. He was given 8 word problems to solve. He estimated that it would take him 5 mins. to solve each problem (THAT WOULD TAKE 40 MINS. FOR KELSEY TO COMPLETE HIS MATH HOMEWORK) ? HOW TO WRI...

How do Christians help others?

how can I learn simple division

please, does anyone know of a site I can go to online to help my son with some simple practice division? THX!!!

Good evening, I am not sure if Ross wrote the questions for homework correctly however, I am a little confused as to the difference in hundreds place value vs. hundreths place value is there such a place value as HUNDRETHS? Would HUNDRETHS APPLY TO DECIMA...

I DESPERATELY NEED TO KNOW HOW TO READ A PLACE VALUE CHART DEALING WITH DECIMALS IF ANYONE CAN GIVE ME AN EXAMPLE??

Are there any websites that will help me with my division?

math ? FIND THE VALUE OF 5 - 35,791 a. five hundred b. five thousand c. five thousandths d. not given I selected - b. five thousand correct? or not?

Find the word form 0.007 a. seven hundredths b. seven tenths c. seven thousand d. not given I selected a. seven hundredths

hello- The question is round to the digit underlined Add or subtract? 7 is the underlined digit. 7,526-3,861. a. 4,000 b. 5,000 c. 3,000 d. not given

I THINK a. 4,000 is the answer am I right

how would i put these words in sentences:(PLEASE HELP ME) THANK YOU! l. general 2. inaccurate 3. interpret 4. evidence 5. demonstrate 6. relevant I start my tutoring classes in two weeks. I have been reading much more which should help me.

Hint: Pay attention to the units of measure. You may have to convert from feet to miles several times in this assignment. You can use 1 mile = 5,280 feet for your conversions. 1. Many people know that the weight of an object varies on different planets, b...

Please help me I have been trying to get the answer and for some reason is not coming up correct can someone please help. evaluate the polynomial for x=1 3x^2-4x+6

7. A bag contains 2 red cubes, 3 blue cubes, and 5 green cubes. If a cube is removed and replaced in the bag and another is drawn, what is the probability that both are green? 1/4 3/8 2/5 1/2

A number cube, numbered 1 through 6, is rolled once. What is the probability of rolling an even number that is not prime? 1/6 1/3 1/2 2/3

The Omega pharmaceutical firm has five salespersons, whom the firm wants to assign to five sales regions. Given their various previous contacts, the salespersons are able to cover the regions in different amounts of time. The amount of time (days) require...

It takes 28 minutes for a certain bacteria population to double. If there are 4,241,763 bacteria in this population at 1:00 p.m., which of the following is closest to the number of bacteria in millions at 4:30 pm on the same day?

A computer manufacturer assembled 21,000 computers in October. For the month of November, they expect to double production. If a worker can assemble one computer per day, how many workers will be needed to complete the job in 28 days? a. 1,500 workers b....

Evaluate the following expression when r = 2 and t = 5. (2r)t - 2 a. 1022 b. 16 c. 64 d. 62

Simplify the expression. 17 – 6 × 10 ¸ 2 + 12 a. 67 b. 59 c. –1 my answer -1 ?????

Name the set(s) of numbers to which 1.68 belongs. a. rational numbers b. natural numbers, whole numbers, integers, rational numbers c. rational numbers, irrational numbers d. none of the above my answer a)rational numbers

Which would be most appropriate to measure the mass of my pet panda in? a. kilograms b. centigrams c. Gigagrams d. milligrams its kilograms??????

a modified U-tube: the right arm is shorter than the left arm. The open end of the right arm is height d = 10.0 cm above the laboratory bench. The radius throughout the tube is 1.60 cm. Water is gradually poured into the open end of the left arm until the...

solve 4x/3x+1 = 3?x+5

You have prepared a 400 mL of a .210 M acetate buffer solution with a pH of 4.44. 1. Determine the concentration of both the acetate and acetic acid in the solution. 2. If you made this solution using solid sodium acetate (MW = 136 g/mol) and liquid aceti...

What volume of 0.109 M nitric acid is required to neutralise 2.50g barium hydroxide?

Hello, I really don't get something about work and I would like that someone help me, Please. .. Well I have an exercise about two objects that are connected by an ideal rope that pass through a pulley that has a moment of inertia, so my problem is: when...

1. A long-term relationship in which both species benefit is known as parasitism. * A. True B. False*** 2. The relationship of algae living in the fur of a 3-toed sloth and helping to camouflage the sloth, is called * A. symbiosis B. mutualism C. commensa...

How could free African Americans help their enslaved contemporaries? Select the best answer from the choices provided. A. They could participate in the Underground Railroad. B. They could support abolitionist politicians. C. They could subscribe to The Li...

Why did the cost of slave labor double, even after the invention of the cotton gin? A. The demand for enslaved workers for the cotton fields was high, but the supply of workers was low due to the slave trade ban. B. Northern enslavers refused to sell thei...

y=a⋅xb whose graph passes through (3, 4) and (6, 7)

Answers

The following answers were posted by visitors named Ross.

Thank you! I still have to read over it but for now I beleive I got the jist of it

Wow , thanks you are a really excellent expert! :)

0.003898-- this is H+? Ka = ( )(0.00398)/( ) What would be the concentration of C6H5COO- ?

I am still getting the wrong answer. YOu are positive this is the answer? Perhaps my computer system is wrong?

thank you thank you thank you!!!

Just would like to know if you have any suggestions on how I would help my son tell time better. He really struggles with this. Thankks!

thanks much!!!!

I THINK a. 4,000 is the answer am I right

The way I solved the first part of the question was: Vo=? d=7.18 m Vf = 7.80m/s a = 9.81m/s^2 So find the initial Vo velocity using: Vf^2 - Vo^2 = 2ad Then once you get Vo, use the same equation to find the d, when Vf = 0, that's when the height is maxima...

that will be 5 so you are saying that my answer is 5? I though that because it was positive my answers was going to be differents. For example I had x=-1 4x^3+8x-3x-2 and after doing all the problems my answer was 13, but the x was a negative one that was...

1/16 Please tell me if this is correct

1/2 Please tell me if this is correct

Please tell me if this is correct 7/20

Please tell me if this is correct 1/2

Evaluate the following expression when r = 2 and t = 5. (2r)^t - 2 a. 1022 b. 16 c. 64 d. 62

i cant tell the difference .... i cant even do it and im in year 12

p = 160/21~7.62

Wpw, way to post Ross problems on here.

An object is dropped onto the moon (gm = 5 ft/s2). How long does it take to fall from an elevation of 250 ft.?

Where do you substitute Kc into the expression?

Insert parentheses to make statement true 6+7x4-2=26

15*w+1.5(15)*y 15w+22.5y Week=7 days. 7(15w+22.5y) 105y+157.5y hours

Please add some explanation to this.

Thanks ms sue I got 100% Guys ms sue is right B C D C

I thought this website will help me get the answer. I know what to search but Im in a hurry