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Kati
Questions and answers by visitors named
Kati
Questions (13)
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:
5 answers
938 views
A tree casts a shadow that measures 5 m. At the same time, a meter stick casts a shadow that is 0.4 m long. How tall is the
2 answers
499 views
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
4 answers
549 views
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
1 answer
363 views
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
6 answers
471 views
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
4 answers
1,176 views
What is a level of intervention? I know what the levels of prevention are but I do not understand the levels of intervention.
1 answer
385 views
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
10 answers
1,227 views
Bob and Mary start traveling toward each other from 480 miles apart, each moving at the same speed. They meet after four hours.
H
5 answers
2,006 views
Joe works on an assembly line that fills boxes with various toy trinkets. Every sixth box gets a red ball and every eighth box
3 answers
2,381 views
Your associate's degree requires 63 credits. You have already completed four 3-credit courses and three 4-credit courses.
(a)
4 answers
1,510 views
A storage tank of negligible mass and 30m high is filled with gasoline. Please calculate the following. Use density values found
3 answers
2,572 views
if a physician is charging for a mole removal procedure based on what other physicians generally charge for this procedure, the
3 answers
1,393 views
Answers (19)
@No one is right!
What is 48567 kg to mt.
The answer is B. Hope this helps :)
The answer is 240 of the tvs are high definition. Fill the percent bar up to the 80% line.
would it be 24/63?
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.
.0125M HCl .075M HNO3 .0875M H+
a.) $43,645.71 b.) just do 1000*20 =20,000 c.) a-b (43,645.71-20,000=23645.71)
I rechecked everything and put in the answers and passed. thx for the help!
Thank you Sue, I'll get over it again. What about the rest? Does that seem to be ok?
The first question is 98.6666666, but if it is for a test, put "approximately 99". The second question's answer is 270.
I re looked over the questions using your advice and got a better grade because of it. Thank you!
Yay! Thank you!
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.
7 x 7 (For T being to the power of 2) 49-18+0 = 31
11d + 13d + 8d2 - 16 + 18d2 + 11d - 9d2 This one is also confusing....
Oh wow, I had that wrong! Thank you!
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
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. What
