bria

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

Questions

The following questions were asked by visitors named bria.

HCL is tritrated with NaOH. KHP is then added. A possible source of systematic error in this experiment is failure to dry the KHP. If this occured, would the final wt% NA2CO3 be falsely high, falsely low, or unaffected. Give reasoning. Thanks. You have le...

Calculate the ionic strength of the solution. a) 100 mL of 0.8M magnesium perchlorate, Mg(ClO4)2, is added to 900 mL of 0.30M perchloric acid, HClO4. No reaction. B)25 mL of 0.200M potassium iodide, KI, are mixed with 75 mL of 0.0300 M silver nitrate, AgN...

The percentage of phosphourus in a detergent product may be determined by sample treatment including the precipitation of magnesium ammonium phosphate MgNH4PO4*6H2O (MW=245.41), using an excess of both magnesium and ammonium ions. The separated ans washed...

If a solution of 0.10 M silver nitrate, AgNO3, is slowly added to a solution containing 0.010 M potassium iodate, KIO3, and 0.20 M sodium bromate, NaBrO3, what precipitate will form first. Will this precipitate form nearly completely (99%) before the seco...

We are determining the molarity of HCl by titration of HCl. What would be the complete equation and the net ionic equation? THanks What are you titrating it with? Won't that make a difference in the equation we write? It's titration of HCl with NaOH. mole...

HCl is titrated with NaOH. When doing the titration, some of the NaOH splashed onto the inside surface of the Erlenmyer flask, and you forgot to rinse it into your sample. Would the systematic error be falsely high, low, or unaffected and why? Thanks. As...

The KHP used in the titration with NaOH was contaminated with sodium hydrogen phyhalate (NaHC8H4O4), but you didn't know it. State the effect of the final result (falsely high, falsely low, or unaffected) Explain. thanks These problems must be reasoned th...

I have to find the weight percent of Na2Co3 for my lab report that's due tomorrow but I have no idea how to do it. In the lab I had to wdight 0.4 g of the unknown soda ash sample into an erlenmyer flask and add about 50 mL of deionized water. Then I had t...

Is 2/3 the smallest out of 1/3? Are you asking if 2/3 is smaller than 1/3? If that's your question, the answer is no. If that's not your question, please rephrase so teachers will understand. Thanks. =)

what is 121 divided by 4(8 - 2)!

The sum of what 2 prime numbers equals 16?

i am a three-digit number. i am made up of three different numerals. i am divisble by eleven.

what fraction of 1 liter is 1 milliliter?

if the average person drinks 8(8 oz.) glasses of warter per day,rather than a person who drinks 12 8 oz. of warter after a morning excersise session has consumed what fraction of the daily average?.

(x/8)+ (x/8)= 9/8

you push a book on a table so that its velocity is constant. If the force you apply is 15 N, what is the force due to sliding friction

a salesperson earns 150 commission selling 3,000 worthof television sets. what is the commission rate?

precent notation of 5/8

a passenger car will go 525 miles on 17.5 gallons of gasoline in city of driving. what is the rate miles per gallon?

the amount in a savings account increased from $60 to $84. what i sthe precent increase?

IT TAKES 60oz of grass seed to seed 2400ft^2 of lawn. at this rate, how much will be needed for 4400ft^2 of lawn?

find the fracton notation for the ratio 73/88

1. A card is drawn from an ordinary deck of 52 playing cards. What are the odds in favor of drawing an ace? 2. The letters of the word mathematics are written on separate pieces of paper and put in a hat. What is the probability of drawing a vowel from th...

If your class has 10 males and 14 females in it, how many different committees consisting of 4 males and 4 females may be chosen.

The letters of the word mathematics are written on separate pieces of paper and put in a hat. What is the probability of drawing the letter m from the hat? my first answer is 2/12= 1/6 someone else has 2/11 please show us the correct answer thanks!

Mary has seven decorative vases to arrange on a shelf. How many different arrangements are possible?

How much interest will you earn on $5,000 if you invest the money in a 5-year certificate of deposit earning 3% compounded quarterly. Round your answer to the nearest cent.

Tom plans to purchase a used car for $18,450. The dealership will finance his purchase at 10.5% APR for 48 months. Calculate the amount of Tom's monthly payment if he makes a down payment of $3,450 on the car

If a women with a BMI below 25 are considered to be normal weight, how many of these women would be classified as overweight? If you choose a woman at random, what is the probability that she will be overweight. Chart below BMI Frequency 15.0-19.9 9 20.0-...

Suppose 48% of the general population of thw world has blood type O, 27% blood type A, and 23% blood type B. a. what is the probability that someone has type AB blood( assume that there are only four blood types? b. Of tjere are 30 people in a room,how ma...

The data below represent the ages of female actors at the time of winning an Oscar (1956 - 1996). 41 27 34 34 41 30 61 42 49 27 31 60 34 35 74 21 29 39 39 37 61 26 31 33 41 33 38 30 26 37 41 49 26 35 28 24 35 42 33 38 81 45 What is the frequency for the c...

what type of correlation would you expect to exist between people's height and their shoe size? My answer is a positive correlation.

Which "average" would be best to use in the following situation? The accountant for a small company is asked to determine the average salary of its employees. The company is owned by two brothers who each make over $300,000 per year. The accountant makes...

Choose ALL that represent quantitative data. the amount of time you spend studying each week your street address how many years you have owned your car the company that you use for cell phone service the number of people who live with you your score on th...

1.The state highway patrol stops every 5th car on highway 210 to check drivers' licenses and registrations. Which sampling technique are they using? systematic sampling -chose this one convenience sampling cluster sampling simple random sampling stratifie...

If the total enrollment in LA County Combined schools was 1,583,283 students in 1n 1997, approximately how many of those students were Asian. Other =2.70% White =20.30% Black =11.80% Asian = 8.10% Hispanic 57.10% answer: I multiplied 1,583283*0.0810=128,2...

How do i get to the regression equation on the ti84 plus calculator. I am working on a math problem trying to view my equation once i plugged in the data

age days in hospital 40 11 36 9 30 10 27 5 24 12 a. draw a scatter diagram (completed) b. does there appear to be a correlation between age and number days in the hospital? no Find the r value for this problem to verify your answer? R=.16 c what is the re...

age days in hospital 40 11 36 9 30 10 27 5 24 12 a. draw a scatter diagram (completed) b. does there appear to be a correlation between age and number days in the hospital? no Find the r value for this problem to verify your answer? R=.16 c what is the re...

The mean of five numbers is 8. If one of the numbers is removed from the list, the mean becomes 7. what is the number that was removed. I could not figure this out.

3. A bag contains five different lightbulbs. The bulbs are the same size but each has a different wattage. If you select three bulbs at a random,how many different outcomes will be in the sample space if the bulbs are selected without replacement? I under...

If the the total enrollment in LA county combined schools was 1,583,283 students in 1997, approximately how many of those student were Asian at 8.1 8.1% choices: 194,467, 904,055, 128,246 , 19,546,704, 1,282,459 my answer is 128,246 multiplied 1583283*8.1...

2x^2+7x+3/x^2-2x-15

on my first baby-sitting job ,I found that one must have____patience to take care of young children

last year houston hospital averaged 98 births a month with a standard deviation of 6 january reported 107 birhts. how does the number of birhts in january compare to the average

Answers

The following answers were posted by visitors named bria.

my uncle is to lazy to reduce wat is the finished product plzz

my uncle said wat is the anwser please (he is a middle school drop out)

its not homework a family bet.....thnk you

how does a rodeo star get around

11 in mathematics so 2/11

ok, I understand now thanks!

thanks i am getting it

I guess to look at it would fall into the salary range. i was looking at average is how i got my answer thanks!

except for the company you use for your cell phone I meant to take that out.

thanks for the explaning it. I understand that much better

i typed the wrong answer it is 125

i figured it out 5*5*5=125

okay my answer is correct 128,246

what would be the highest point and lowest ob a topographic map?