Ask a New Question
Search
Questions and answers by
Abbie
Questions (80)
Suppose that E and F are two events and that P(E) = 0.7 and P(FIE) = 0.1 . What is P(E and F)?
0 answers
106 views
guys I'm literally clueless my teacher "helped" me but i still don't get it. SOS
Q. A shop in Texas uses the equation y=1.0625x
1 answer
326 views
It is quite common for a solid to change from one solid state structure to another at a temperature below its melting point.
For
1 answer
914 views
Hydrocarbons containing halogens are very useful molecules in synthetic chemistry. Calculate S° for the reaction product in the
1 answer
489 views
Consider the titration of 100.0 mL of 0.100 M HC2H3O2 by 0.100 M KOH for the next five questions (Ka for HC2H3O2 = 1.8 x 10-5).
2 answers
1,256 views
Consider the titration of 40.0 mL of 0.400 M HI by 0.300 M NaOH.
A) Calculate the pH after 34.7 mL of NaOH has been added.
1 answer
1,319 views
A solution made by mixing 95.00 mL of 0.950 M HCOOH with 35.00 mL of 0.750 M NaOH.
3 answers
399 views
Calculate the acetate ion concentration in a solution prepared by dissolving 2.80×10-3 mol of HCl(g) in 1.00 L of 5.00×10-1 M
1 answer
1,021 views
Calculate the pH of a 0.51 M solution of SrI2. Record your pH value to 2 decimal places.
1 answer
606 views
Mant critics have argues that in "The Old Man and the Sea", Santiago's defeat at the hands of the sharks may in part be
0 answers
242 views
Calculate the pH of a 1.33 M aqueous solution of ammonium chloride (NH4Cl).
(For ammonia, NH3, Kb = 1.80×10-5.)
1 answer
362 views
A)Calculate [OH-] of a 9.91×10-2 M aqueous solution of hydroxylamine (HONH2, Kb = 1.1×10-8).
b)Calculate the pH of the above
1 answer
417 views
Calculate the pH of a 2.67×10-3 M solution of H2SO4.
(Ka = 0.0120 for HSO4-)
1 answer
924 views
Calculate [H+] for a 1.20×10-3 M aqueous solution of acetic acid (HC2H3O2; Ka = 1.80×10-5).
b) Calculate the pH of the above
1 answer
469 views
An aqueous solution of a monoprotic acid HA (Ka = 4.33×10-2) has a pH of 4.62.
What is the molarity of the solution? (i.e.
1 answer
438 views
At a particular temperature, Kp = 0.460 for the reaction
N2O4(g) = 2NO2(g) a)A flask containing only NO2(g) at an initial
1 answer
1,964 views
Given that 3 feet equal 1 yard how many yards equal 7 feet
1 answer
168 views
A statement in the scientific method that describes what scientist expect to happen every time
1 answer
265 views
How many three-letter combinations are possible using the letters D, E, F, G, and H?
2 answers
610 views
You decide to use your garden hose to wash your garage door. The water shoots out at a rate of 10 kg/s and a speed of 16 m/s
3 answers
828 views
Describe and explain 2 ways ti separate a mixture o sulphur powder and sodium nitrate crystals to collect pure samples
32 answers
11,792 views
In the 400 meter dash runners stay in their lanes the entire distance around the track. If the runners would all start at the
1 answer
620 views
Kendal spent 1/3 of her money on an mp3 player. The next week, she earned 25 dollars from baby sitting and deposited it in her
1 answer
499 views
A random sample of 1000 people was chosen for a survey. 80% of them had health insurance. Find the 95% confidence interval.
0 answers
437 views
Why did the English establish colonies in the Americas?
The English established colonies in the Americas because the King of
2 answers
1,315 views
1.) the first successfully established English colony in North America was
a.) Plymouth b.) New York c.) Jamestown d.) Santa Fe
1 answer
1,167 views
How much work is done by a 45-N force acting 35 degrees above the horizontal in pulling a block 9 m across a horizontal surface?
1 answer
448 views
Which paragraphs represent the exposition in the story An Hour With Abuelo?
A. paragraphs 8-10 B. paragraphs 10-12 C. paragraphs
5 answers
1,630 views
What is a ratio
1 answer
408 views
Examples in books or films in which women were portrayed in a negative way or as strong capable characters
2 answers
391 views
What force is necessary to keep a 2.00x10^3 car moving up a 15.0 degree incline at a constant velocity? (Mu=.200)
2 answers
1,067 views
Two trains are approaching each other, one at 23 mph and the other at 37 mph. How far apart are they one minute before
0 answers
438 views
Paul an Peter each toss a coin and record the results.
Paul: H H T H T H H H T T H H T H T H T H H T T Peter: H T H H T H H T T H
0 answers
585 views
What is the binding energy of 1 mole of 239/94 Pu if the mass defect is 0.001896 kg/mol?
1 answer
1,240 views
To what temperature, in degree celsius, must 10.0 grams of ammonia gas (NH3) have to be heated in a 15.0 L container in order
2 answers
657 views
Jane and kathy are playing a game of marbles. In each game the loser gives the other girl a marble. When they finished, Jane had
2 answers
1,715 views
Of all the characters highlighted in the works included in this unit, which one did you relate to or identify with the most in
1 answer
1,955 views
Compare and contrast the conflicts faced by Orwell in “Shooting an Elephant” to those faced by Gideon in “No Witchcraft
1 answer
1,720 views
Name two methods that are used to solve Quadratic Equations when they are irreducible.
1 answer
440 views
Explain why sharpening grass knives help to ease the effort in cutting grass.
1 answer
435 views
A density bottle has a mass of 35g when empty, 85g when filled with water and 75g when filled with kerosene. Calculate the
3 answers
912 views
Do P waves travel faster through gas, liquids, or solids??
I couldn't find the answer in my book OR the internet. Some smart
2 answers
1,065 views
Hi, I'm doing a paper in powerpoint on the Jurassic Period. For every slide, I have to include a picture. I just can't find one
3 answers
555 views
If i am provided with a supply of 2M of sulphuric acid,how can i explain how to prepare 500ml of 0.5M sulphuric?
1 answer
440 views
An automobile moving at a constant velocity of 15m/s passes a gasoline station. Two seconds later, another automobile leaves the
3 answers
7,085 views
The first term in an arithmetic series is 7 and the 17th is 49. What is the 20th term?
1 answer
449 views
It is possible to cut the top off a alcohol-in-glass thermometer without any of the alcohol spilling out. However, it will no
4 answers
523 views
The atomic mass of iron oxide is 160 atomic mass units. What is the atomic mass of iron if a molecule of iron oxide consists of
4 answers
1,300 views
Given that 12g of carbon combines completely with 16g of oxygen to form carbon monoxide, how many grams of carbon monoxide can
3 answers
870 views
Put parentheses and brackets in the proper places to make the following equation true:
9x3+8-5+6squared=58
5 answers
734 views
If 3 points are collinear the solve for t (-3,3) (t,-1) (8,6)
1 answer
468 views
An airplane is flying at 550 km/h on a heading of 080 degrees. The wind is blowing at 60 km/h from a bearing of 120 degrees.
1 answer
1,398 views
A boat crosses a river and arrives at a point on the opposite bank directly across from its starting position. The boat travels
1 answer
735 views
How much heat is required to raise the temperature of 20.0g of H2O from 18.0 Celcius to 28.0 Celcius?
2 answers
567 views
I have nearly completed my Child Day Care Management. They give me a project sheet Competency Goals I II II, etc. the first Goal
1 answer
912 views
Four-year-old Jacob comes from a family in which hypertension is common. It's probable that Jacob will need a diet that's low in
2 answers
457 views
the main difference between emergency care and first aid is the
A severity of the condition being treated. B person performing
1 answer
728 views
A child in your program has just returned after having chickenpox. You notice that she still has a few dry scabs. What should
1 answer
485 views
As a day care worker, you should be familiar with the development of children. Which one of the following items is a
1 answer
435 views
one component of a healthy diet is a high amount of
A monounsaturated fats. polyunsaturated fats. C grains D sodium the answer
2 answers
476 views
Introducing organized sports among young children is not recommended because?
A.this excludes the teacher or caregiver from a
4 answers
495 views
The major emphasis of movement programs for young children is the development of concepts. Wich of the following three major
1 answer
529 views
The major emphasis of movement programs for young children is the development of concepts. Wich of the following three major
0 answers
497 views
When a child not only throws a ball farther than she had previously, but also changes the way the throws the ball, the change is
1 answer
448 views
Patrick, a new six-year-old in your facility, is causing some problems with the other children. He never completes one activity,
1 answer
411 views
The major goal of parent education is to
A improve parenting skill B help parents get jobs C improve education of children D
1 answer
614 views
You are trying to plan an activity for your third graders, who will be arriving around 2:30 in the afternoon. Today you want to
1 answer
424 views
You are trying to plan an activity for your third graders, who will be arriving around 2:30 in the afternoon. Today you want to
4 answers
592 views
If an employee in your center earns $ 9,500 a year, how much federal unemployment tax must you pay for this employee?
A $56.00 B
1 answer
507 views
The balance Sheet for ABC Day Care has Total Assets of $ 195,400, Total Liabilities of $ 129,500, and Total Owner's Equity of $
1 answer
495 views
An Individual Family's Account Receivable
date Descrip Debit Credit Balance Jan 5 Week 90.00 90.00 Jan 12 " 150.00 ----- Jan 16
0 answers
525 views
13. The Income Statement for Tiny Tykes Day Care reveals total revenues of $181,575 and
total expenses of $159,657. The profit
1 answer
421 views
The formation of children's core values is most strongly influenced by
A peers. B family. C elementary school teacher. D child
3 answers
586 views
The last part of a telephone number has four digits, e.g. 7814 1487 2103 2772
The last part of the telephone number can start
3 answers
651 views
6 lollies and 3 icecreams cost £8.52
3 icecreams and 6 drinks cost £9.24 What would the cost of 1 lolly, 1 icecream and 1 drink
2 answers
568 views
ok i will copy and paste the question here! thnx
Using the internet or books, write a summary about 2 ways the surface of the
0 answers
506 views
I will never go there again," she said.
adverb = out modifies is adverb = never modifies will He holds fast to his conviction
1 answer
556 views
The gentleman was unusually talkative when he came out of the anesthetic. (There are two adverbs in this sentence.)
adverb =
1 answer
398 views
He holds fast to his conviction that the world is out to get him. (There are two adverbs in this sentence.)
adverb = fast
2 answers
988 views
I need to find a way to measure protein concentration.
It's for part of my infection and immunity lab report. We've done about
0 answers
432 views