Wednesday

April 23, 2014

April 23, 2014

Total # Posts: 513

**chemistry**

Chlorine dioxide, ClO2, has been used as a disinfectant in air conditioning systems. It reacts with water according to the following equation. ... HCl If 142.0 g of ClO2 is mixed with 33.0 g of H2O, how many grams of which reactant remain if the reaction is complete?

**chemistry**

A particular coal contains 2.55% sulfur by mass. When the coal is burned, it produces SO2 emissions which combine with rainwater to produce sulfuric acid. Determine how much sulfuric acid (in metric tons) is produced by the combustion of 1.1 metric ton of this coal. (A metric ...

**com220**

I need help with com220 week5 a full-sentence outline

**com220**

I need help with my research paper. I do not know how to do a full sentence outline

**chemistry**

HF acid ionization constant (Ka) is 3.5 X 10-4. In a solution of HF acid @ equilibrium [H+] = 0.090 M. What is the concentration of F-?

**chemistry**

25.0g of 5.0% (by mass) acetic acid solution are titrated with 0.300 M NaOH. What volume of NaOH will be needed to neutralize this sample?

**chemistry**

If 24.7 of 0.250 M NaOH solution are needed to neutralize 19.8 mL of H2SO4 solution, what is the molarity of the H2SO4?

**auguta tech**

a. Percentage of scores less than 100=50 percent b. Relative frequency of scores less than 120= 0.34+0.135+0.0235+0.015+0.84 c. Percentage of scores less than 140 d. Percentage of scores less than 80 e. Relative frequency of scores less than 60 f. Percentage of scores greater ...

**auguta tech**

Assume that a set of test scores is normally distributed with a mean of 100 and a standard deviation of 20. Use the 68-95-99.7 rule to find the following quantities: a. Percentage of scores less than 100=50 percent b. Relative frequency of scores less than 120= 0.34+0.135+0.02...

**social studies**

in what ways does religon affect american society?

**economics in healthcare**

6. Calculate Herfindahl Index and Concentration Ratios for these markets. Drug Companies H.I. = ?, C.R. ? Health Care Providers: H.I.=? , C.R.= ? 2005 SOM 2005 SOM Drug Co1 18.8 HC Co 1 43.1 Drug Co2 17.9 HC Co 2 31.7 Drug Co3 15.3 HC Co 3 15.8 Drug Co 4 13.6 Drug Co 5 12.2 Dr...

**8th grade**

not that i know of, no

**math**

oh, yes now i get it

**English**

what about ummm... the enviroment? ha i hoped i helped:)

**Math**

Hi. what is 67/100 - 3/10?

**ALGEBRA**

A 5-mile cab ride costs $9.30. A 11-mile cab ride costs $17.70. Find a linear equation that models cost c as a function of distance d.

**Math**

A 3-mile cab ride cost $3.00. A 6-mile cab ride cost $4.80. Find a linear equation that models cost c as a function of distance d

**algebra**

help with week 8 word problems in mat116

**math**

I need help on turning around in a circle.

**algebra**

I need to find a solution by substitution method

**marketing 401**

this was the wrong question sorry.

**marketing 401**

Organizational Values 1. Mention an organization of your choice that displays excellent values, that orient it for growth. What do you see these values as being? How do they lead to a growth orientation? Think of any organization you want to for this discussion, from a small l...

**chemistry**

What is the volume occupied by 2.20 mol of argon at STP? Round to the nearest hundredth. Don't forget the units.

**health**

what is the prefix,added combine and suffix for Distally and Proximally?

**math**

the function with the sum of roots of 11 and product of roots is 11 is..? thanks for the help!

**math**

12cm/day=cm/h

**8th grade math**

i still need help on this problem ( 5x-2)-(6-2x)=-x-9+5x

**MATH**

thank you

**MATH**

For ms.sue when u did the problem 3(4-x)-22=x+48 u got the answer -14.5 if u try tocheck the answer it will be wrong i need help on these problems 3(4-x)-22=x+48 (x-3)-(2x+5)=2x-7-3x ( 5x-2)-(6-2x)=-x-9+5x

**math**

WELL IF U TRY TO CHECK IT. IT WONT BE RIGHT

**math**

(x-3)-(-2x+5)=2x-3x and (5x-2)-(6-2X=-x-9+5x

**8th grade**

how do you solve this 3(4-x)-22=x+48 solve for x please help me!!!!!

**math**

The sum of Lisa's and Jack's scores on there first algebra test is 6 less than twice Lisa's score. What is the lowest possible score jack could have earned on the test ?

**calculus**

Find the derivative. Could you please show me the steps? y = ãx(5-ãx)

**biology**

What follows is a hypothetical situation. Genes that produce chlorophyll in plants are inserted into the chromosomes of cattle. Indicate some of the possible advantages of this procedure. - I'm guessing mutation happens but I don't know what's the advantages to it ...

**9th grade**

What was the impact of John D. Rockefeller on American industry?

**math**

an open box contains 80cm^3 and is made from a square piece of tinplate with 3cm squares cut from each of its 4 corners. Find the dimensions of the original piece of tinplate.

**Essay writing**

what makes an authors argument compeling

**physics**

just a few quick communication questions... 1-is it possible to have total internal reflection for light incident from air onto water? why? 2-what is the angle of refraction when a light ray meets the boundary between two materials perpendicularly?

**physics**

You exert a force of 455N in pulling 15.0m of rope using a pulley system to lift a 935N object 5.0m. What is the efficiency of the pulley system? Please help, I appreciate it a lot.

**physics**

I've got a few communication questions... -Why do images appear sharper underwater when wearing a diving mask? -where would you aim a spear in order to hit a fish if you are viewing it from the air?(i know it's straight down, but why?) please answer.. if not all just o...

**physics**

calculate the image position and magnification for an object 3cm tall laced in front of mirror with a focal length of 12cm, if the object is placed at 2f... I got: di: 24cm and m=-1 please tell me if this is right.. thank you so much :)

**waves and sound**

1-A tunning fork has a frequency of 440Hz. The string of a violin and this tuning fork, when sounded together, produce a beat frequency of iHz. From these two pieces of information alone, is it possible to determine the exact frequency of the violin string?... I feel like this...

**Lanuage**

What is subject-verb or pronoun-antecedent for this sentence: Not one of our tomato plants are producing any fruit, but the greenbeans are thriving.

**Final Project**

Thank you I will check those out.i have went to the store, libraries .

**Final Project**

I need to find 4 children songs/lyrics in between the copyright date of 2004-2009. I have search the Internet 4 days and I have no luck.I need 2 Spanishand 2 English version. Can someone help me please. I need this today.I have to have the name of the song,publisher, city, cop...

**physics**

the speed of a transverse wave on a string is 450m/s while the wavelength is 0.18m. The amplitude of the wave is 2.0mm. How much time is required for a particle of the string to move a total distance of 1.0km.... The thing that confuses me about this question is the amplitude ...

**physics**

i don't exactly understand what you are saying

**physics**

i don't exactly understand what you are saying

**physics**

a bimetallic compound strip of brass and iron is 10cm long at 20C. When heated over a Bunsen burner flame the temperature of the brass rises to 800C and the iron to 750C. Calculate the difference in lengths of the iron and brass. (Ignore the bending effect)...please help

**Argument Validity**

Relax. The kid's been delivering the paper for, how long? Three, four years maybe? And not once has she missed us. The paper will be here, just wait and see. She's just been delayed for some reason

**physics**

by limb i mean a limb on a tree (srry about that).. and when i set Eg and Ek equal to each other i get 14m/s but the answer is 29m/s

**physics**

a bicyclist is coasting on level ground at 32.35m/s. The bicyclist coasts up an incline of 20.5m at a 30degree angle. How fast is the bicyclist traveling when he grabs the limb?

**Nutrition of the young child**

Thank you

**Nutrition of the young child**

Following the nutritional label on a jar of peanut butter, you determine that 1 once of the peanut butter contains 115 calories and 9 grams of fat. Whst percent of the calories come from fat. A.30 B.40 C.70 D.80 I chose C as my answer. Can someone check my answer.

**Nutrition of the young child**

Thanks

**Nutrition of the young child**

Which one of the following lunches provides in both color and texture? A.Egg salad sandwhich,applesauce,celery hearts,milk. B.Egg salad sandwhich,banana slices,buttered squash,milk. C.Egg salad sandwhich,raisins,wax beans,milk. D.Egg salad sandwhich,green grapes,raw carrots,mi...

**Health of young children**

Thank you

**Health of young children**

5.) A child in your program has just returned after having chickenpox. You notice that she still has a few dry scabs. What should you do? A. Send her home. She is still contagious. B. Welcome her back and let her know what there is to do today. C. Allow her to stay, but discou...

**Nutrition of the young child**

thanks

**Nutrition of the young child**

Jamie loves all vegetables, all fresh and dried fruits, and milk. However,he refuses to eat dairy products and meats. Which of the following nutrients is he probably lacking? A.Iron B.Calcium C.Vitamin A D. Vitamin C I pick A as my answer Can someone check my answer.

**Nutrition of the young child**

okay thanks

**Nutrition of the young child**

Why shouldn't unmodified cow's milk be given to an infant under one year old? A.Infants are able to digest only breast milk. B.It contains too much bacteria for young babaies to handle. C.it can cause an upset stomach. D.Most infants are allergic to it. I chose B as my...

**Nutrition of the young child**

thanks

**Nutrition of the young child**

Laura won't drink milk or eat cheese,but she does drink juices and eat fruit.She loves bread and eats sliced meat sandwhiches.Laura's caregiver can supply the apparent deficiency in Laura's diet by adding a serving of A.fish B. breakfasr cereal. C.pudding D.pasta M...

**physics**

can pontential energy ever be negative?

**Safety of the young child**

thanks

**Safety of the young child**

To assure children's safety in a child care setting,teachers must provide continuous A.elimination of all risks and hazards in the facility. B.training of teachers and staff members.C.strict rules and regulations for children. D.awareness of children's developmental sk...

**Safety of the young child**

Okay thanks,so I will change my answer to D.

**Safety of the young child**

Which of the following statements encourages appropiate use of playground equipment? A. "I told you not to go down the slide head first'. b."You can't ride your bike in the grass because you're ruining it." c."Jumping off the monkey bars is agai...

**Health of young children**

Thank for your help.

**Health of young children**

Why is the incubation stage of an illness of concern to day care workers? A.Children in this stage require a great deal of care and special attention. B.Children in this stage often need special medical help. C.Children in this stage can often pass on the disease even though t...

**Nutrition of the young child**

Thanks some of this stuff you can not find in the text.

**Nutrition of the young child**

Why shouldn't unmodified cow's milk be given to an infant under one year old? A.Infants are able to digest only breast milk. B.It contains too much bacteria for young babies to handle. C.It can cause an upset stomach D.Most infants are allergic to it. I pick B as my an...

**Nutrition of the young child**

Thanks for your help.

**Nutrition of the young child**

According to the food pyramid, a child should have a total of ----- cups of milk or the equivalent from the milk, yougart, and cheese group each day. A. one and one-half B.two and one-half C.three D. four I chose C aas my answer.acan someone tell me if I am correct.

**Safety of the young child**

Thanks I change my answer to D.In the text it ay's all four answers but it as automobile accidents first.

**Safety of the young child**

The leading cause of death and permanent disabilities due to untentional injury is A.drowning B.falls C.poisoning D.automobile accidents I chose B as my answer. Can someone check my answer.

**Health of young children**

thanks

**Health of young children**

Which of the following statements regarding exclusion policies is true? A.They prevent illness and infection in centers B.They're necessary only when there's threat of serious illness C.They protect care providers against charges of negligence D. They serve as guidline...

**inequalities**

i'm dealing with inequalities with one variable and i'm just curious as to why i am doing this? i would like to know the theories behind this.... please help or maybe give me a site?

**Health of young children**

thanks

**Health of young children**

A teacher is in a prime position to observe children because A.the teacher sees children in relation to other children of the same age. B. the teacher sees each child for fewer hours than the parent and can, therefore be objective. C.he or she is often involved in children'...

**Health of young children**

Thank you

**Health of young children**

Of the following, which action by a teacher is the most appropiate and useful? A.Diagnosing smallpox B.Recording a child's rash C.Interpreting a child's fever D.Reporting that a child looks ill I chose D as my answer can someone check my answer.

**math**

i'm studying for a test on rational expressions and i just wanted to know the answers to some of the problems i am not too sure about... 1... 4y-2/8y-2.. i got 1/2 which restriction of 1/2 2...(x-3/3x-5)/3-x/6x-10.. i got 4 with restrictions of 3 and 5/3 3...3a+6/2a^2+7a+6...

**Budget**

Thanks

**Budget**

Which one of these categories would most likely be found in the operating budget of a day care center? A. Tables and chairs for classroom B.Desks and chairs for the office C. Deposits for utility services D. Loan payments I chose the letter C. Can someone check my answer.

**Taxes**

Thanks

**Taxes**

If an employer fails to pay state unemployment taxes on a timely basis, the rate on FUTA taxes will A. remain the same B.be lower C. increase by 100 percent D. increase I chose D can someone check my anser

**Working with Parents**

Thanks

**Working with Parents**

Why must parents be involved in their child's day care program when it's sponsored by the government? A.Parent involvement reduces the cost of day care. B. Parents can judge the abilities of the staff at the center. C. Parent involvement frees the staff to perform offi...

**School-Age Children**

Thanks for your help.

**School-Age Children**

You're trying to plan an activity for your third graders, who will be arriving around 2:30 in the afternoon. Today you want to do something associated with mathematics. Which one of the following activities would be appropriate? A. Keeping track of the weather B. Making a ...

**Financing and Budget**

If an employer fails to pay state employment taxes on a timely basis, the rate on FUTA taxes will A.remain the same B.be lower C.increase by 100% D. increase I picked D can someone check my answer.

**Financing and Budget**

If an employer fails to pay state employment taxes on a timely basis, the rate on FUTA taxes will A.remain the same B.be lower C.increase by 100% D. increase I picked C can someone check my answer.

**physics**

two people are pushing a car of mass 2000kg. if they each push with a force of 320N at an angle of 15degrees to each side of the car, calculate the acceleration of the car, assuming no resistance... please help

**Caring for School-Age Children**

Thanks

**Caring for School-Age Children**

Child care staff are most effective during science activities when they A.encourage convergent thinking B. answer questions as soon as they're asked C. guide children through structured activities D. limit experimentation to ensure safety I chose A can someone check my ans...

**School-Age Children**

The girls are always wanting to compete with the boys. Thanks each of you for your help.

Pages: <<Prev | 1 | 2 | **3** | 4 | 5 | 6 | Next>>