Kati

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

Questions

The following questions were asked by visitors named Kati.

Household bleach is 5.25% NaOCl by mass. Assume a density of 1.00g/ml. What is the pH of bleach? Hint: assume 100 ml. Answer: 10.7. How does one approach this question? Kati

I cannot find it in my text book I have a math problem : 2f2 + 9f + 6 for f = 10 The second 2 is to the second power. So with the order of operation do I muliply 2 by 10 first and then 20 the the second power? Thanks Math is really killing me!

The problem is 8n / 19 N = 190 I do not understand it the way the book is telling me. I understand the 8 x 190 but how do i get it to a "single number?" Thanks for the help

5b + 7b - b4 - 14b2 - 18b - 4b4 We are learning to combine like terms. I am starting to get it and have done a few but this one frustrates me. I cannot figure it out! help?

It is a multiple choice test. I have placed my after the question. I am not asking anyone to do it for me I simply would like someone to check my answers and maybe if their nice tell me what went wrong on the ones i get wrong. Thanks! 1.) Combine Like Ter...

I have some questions and answers. Can you please go over them and let me know how I did on it? 1. When a manager performs symbolic duties as the head of an organization, that manager is called a A. spokesperson. C. leader. B. figurehead. D. liaison. 2. W...

Bob and Mary start traveling toward each other from 480 miles apart, each moving at the same speed. They meet after four hours. How fast were they each traveling? I had 20 and then 144 I have tried this problem and everything is wrong.

Joe works on an assembly line that fills boxes with various toy trinkets. Every sixth box gets a red ball and every eighth box gets a blue whistle. How often does a box get both a red ball and a blue whistle? Hint least common multiple Can someone please...

Your associate's degree requires 63 credits. You have already completed four 3-credit courses and three 4-credit courses. (a) What fraction of the required credits have you completed? (b) What fraction of required credits remain before you can graduate? C...

A storage tank of negligible mass and 30m high is filled with gasoline. Please calculate the following. Use density values found in the book. a) The gauge pressure and absolute pressure at the bottom of the tank. b) The force that acts on a square access...

if a physician is charging for a mole removal procedure based on what other physicians generally charge for this procedure, the physician is probably using what?

Answers

The following answers were posted by visitors named Kati.

Ok, so I found the Ka and then found the Kb. I got 2.857x10^-7. I then subbed that into the equation: [x^2]/[0.744-x]...you can use the assumption rule to get rid of the minus x in the denominator. When I solved I got x=0.0000461043, and a pH of 3.34. Wha...

I understand what I did! The 3.34 is the pOH thus, 14-pOH is the pH which is 10.66 or 10.7 :) Thanks very much!! -Kati

Oh wow, I had that wrong! Thank you!

11d + 13d + 8d2 - 16 + 18d2 + 11d - 9d2 This one is also confusing....

7 x 7 (For T being to the power of 2) 49-18+0 = 31

15d3 + 35d - 16 15d2 + 35d - 16 17d2 + 35d - 16 17d2 + 35d - 18 It is multiple choice and these are my options. I think its 17d2 +35 - 16 Am I right? Thanks for the help =) I appreciate it.

Yay! Thank you!

I re looked over the questions using your advice and got a better grade because of it. Thank you!

The first question is 98.6666666, but if it is for a test, put "approximately 99". The second question's answer is 270.

Thank you Sue, I'll get over it again. What about the rest? Does that seem to be ok?

I rechecked everything and put in the answers and passed. thx for the help!

a.) $43,645.71 b.) just do 1000*20 =20,000 c.) a-b (43,645.71-20,000=23645.71)

.0125M HCl .075M HNO3 .0875M H+

is that all that you have to do? Is there not a formula that needs to be followed? By the way thank you very much. I am however not good at all with speed and distance problems.

would it be 24/63?

The answer is 240 of the tvs are high definition. Fill the percent bar up to the 80% line.

The answer is B. Hope this helps :)

What is 48567 kg to mt.

@No one is right!